edward sloan, md, mph, facep ed neurological emergencies patient management: six emergency...
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![Page 1: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/1.jpg)
Edward Sloan, MD, MPH, FACEP
ED Neurological Emergencies ED Neurological Emergencies Patient Management: Patient Management:
Six Emergency Department Six Emergency Department Neuro-resuscitation Neuro-resuscitation
ProceduresProcedures
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Edward Sloan, MD, MPH, FACEP
IEMEIEMECurrent Concepts in Current Concepts in
Emergency CareEmergency CareMaui, HIMaui, HI
December 4, 2006December 4, 2006
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Edward P. Sloan, MD, MPH, FACEP
Edward Sloan, MD, MPHEdward Sloan, MD, MPH
ProfessorProfessor
Department of Emergency MedicineDepartment of Emergency MedicineUniversity of Illinois College of MedicineUniversity of Illinois College of Medicine
Chicago, ILChicago, IL
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Edward P. Sloan, MD, MPH, FACEP
Attending PhysicianAttending PhysicianEmergency MedicineEmergency Medicine
University of Illinois HospitalUniversity of Illinois HospitalOur Lady of the Resurrection HospitalOur Lady of the Resurrection Hospital
Chicago, ILChicago, IL
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Edward P. Sloan, MD, MPH, FACEP
Global ObjectivesGlobal Objectives
• Improve neuro emergencies understanding
• Know how to quickly evaluate patients
• Determine how to use empiric meds
• Provide evidence-based protocols
• Facilitate disposition, improve pt outcome
• Improve Emergency Medicine practice
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Edward P. Sloan, MD, MPH, FACEP
Session ObjectivesSession Objectives
• Present relevant patient cases
• Discuss key clinical questions
• Review the procedures
• Restate driving principles
• Coma, suspected meningitis, SE
• Elevated ICP in TBI, INR in ICH, BP in AIS
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Edward P. Sloan, MD, MPH, FACEP
MethodologyMethodology
• Identify key neurological emergencies
• Consider key clinical questions
• Search the medical literature
• Focus on evidence that supports practice
• Utilize www.guidelines.gov, www.acep.org
• Integrate into procedures
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Edward P. Sloan, MD, MPH, FACEP
A Guidelines PerspectiveA Guidelines Perspective
• Key questions define clinical practice• Robust literature, accessed via internet• Actual practice standards are limited• Most of what we do is well defined• No need to greatly vary what we do best:
empirically treat, stabilize, diagnose, and disposition patients during unstable ED period
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Edward P. Sloan, MD, MPH, FACEP
A Perspective on ProceduresA Perspective on Procedures• Critically ill ED patients
• True medical emergencies
• Limited time and resources
• A need to diagnose and act
• “Emergency physicians take a surgeon’s approach to medical emergencies.”
• We do procedures, we are good at them
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Edward P. Sloan, MD, MPH, FACEP
Procedures & Clinical PracticeProcedures & Clinical Practice• Guidelines, pathways, protocols
• Procedures
• Translate research into clinical practice
• Specific, quantifiable
• Documented via medical record
• Viewed favorably in retrospect
• Lead to consistency, improved pt outcome
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Edward P. Sloan, MD, MPH, FACEP
A Clinical Case:A Clinical Case:The Comatose PatientThe Comatose Patient
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Edward P. Sloan, MD, MPH, FACEP
Patient Clinical HistoryPatient Clinical History• 46 yo male
• EMS to ED
• Unresponsive
• Unable to be intubated in the field
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Edward P. Sloan, MD, MPH, FACEP
ED PresentationED Presentation• Responds to painful stimuli only
• GCS = 5
• No apparent trauma
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Edward P. Sloan, MD, MPH, FACEP
Key Clinical QuestionsKey Clinical Questions
• Can you manage the comatose patient?
• Can you conduct a useful neuro exam?
• Can you determine the coma etiology?
• Do you know any useful mnemonics?
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Edward P. Sloan, MD, MPH, FACEP
Empiric Comatose Patient Empiric Comatose Patient Therapies: Therapies:
The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Empiric TherapyEmpiric Therapy
• Control the airway, ventilate
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Edward P. Sloan, MD, MPH, FACEP
Empiric TherapyEmpiric Therapy
• Control the airway, ventilate
• Do a bedside glucose determination–Provide D50 for hypoglycemia
–Avoid hyperglycemia
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Edward P. Sloan, MD, MPH, FACEP
Empiric TherapyEmpiric Therapy
• Control the airway, ventilate
• Do a bedside glucose determination–Provide D50 for hypoglycemia
–Avoid hyperglycemia
• Detect hypoperfusion (Decreased CPP) –CPP = MAP – ICP (MAP > 90 mmHg key)
–NS fluid boluses up to 500 cc each
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Edward P. Sloan, MD, MPH, FACEP
Empiric TherapyEmpiric Therapy
• Assess for narcotic overdose–Nalaxone 2 mg IV or sublingual
–Be prepared to restrain patient
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Edward P. Sloan, MD, MPH, FACEP
Empiric TherapyEmpiric Therapy
• Assess for narcotic overdose–Nalaxone 2 mg IV or sublingual
–Be prepared to restrain patient
• Assess for benzodiazepine overdose–Flumazenil 0.2 mg IVP x 5 (max dose 1 mg)
– If acute ingestion, initial dose OK, no seizure
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Edward P. Sloan, MD, MPH, FACEP
Empiric TherapyEmpiric Therapy
• Assess for narcotic overdose–Nalaxone 2 mg IV or sublingual–Be prepared to restrain patient
• Assess for benzodiazepine overdose–Flumazenil 0.2 mg IVP x 5 (max dose 1 mg)– If acute ingestion, initial dose OK, no
seizure
• Examine for likely EtOH abuse –Thiamine 100 mg IVP or to IVF
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Edward P. Sloan, MD, MPH, FACEP
Empiric Therapies: PrinciplesEmpiric Therapies: Principles• Airway management:–Nasal or oral airway, ventilate, prepare for RSI
• Oxygen therapy• Obtain an accucheck, administer glucose• Fluid bolus for hypotension• Naloxone if evidence of narcotic use/abuse• Judicious flumazenil use for benzo abuse• Thiamine in alcohol abuse
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Edward P. Sloan, MD, MPH, FACEP
Coma Patient Evaluation: Coma Patient Evaluation:
The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Assess the pt’s overall mental status
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Edward P. Sloan, MD, MPH, FACEP
Mental Status DescriptionMental Status Description
• AVPU–Alert–Responds to verbal stimuli–Responds to painful stimuli only–Unresponsive
• Start with this description. It sets the tome for the complete presentation to consultants.
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Assess the pt’s overall mental status
• Assess the ABCs (trauma)–Airway & gag reflex
–Breathing pattern and sufficiency
–Circulation adequacy and hypotension
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Assess the pt’s overall mental status
• Assess the ABCs (trauma) –Airway & gag reflex
–Breathing pattern and sufficiency
–Circulation adequacy and hypotension
• Assess the skin, breath (toxidromes)
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Assess the pt’s overall mental status
• Assess the ABCs–Airway & gag reflex
–Breathing pattern and sufficiency
–Circulation adequacy and hypotension
• Assess the skin, breath (toxidromes)
• Detect posturing following stimulation
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Edward P. Sloan, MD, MPH, FACEP
Decorticate posturing in comatose patient
Lesion above the red nucleus
Lower limbs extend, upper limbs flex following stimulus
Activity in the brainstem flexor center, the red nucleus
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Edward P. Sloan, MD, MPH, FACEP
Decerebrate posturing in comatose patient
Upper and lower limbs extend following stimulus (pain, startle,or auditory)
Normal inhibition by cortex on the extensor facilitation part ofret form is missing, so extensors hyperactive
Lat vest nuclei involved, ablate and extensor posturing reduced
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Edward P. Sloan, MD, MPH, FACEP
Clinical Value of Decorticate & Decerebrate Posturing
Decorticate posturing (flexion) indicates a higher level of brainstem function (a good thing) than decerebrate (extension) posturing; therefore:
Comatose patients who go from decerebrate to decorticate (ascending progression of impaired area) havea better prognosis than those that go from decorticate todecerebrate (descending progression of impaired area).
Descending impairment will be uniformly fatal if medullary respiratory and cardiovascular centers are damaged
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Calculate the Glasgow Coma Scale score–Eye Opening (4), Verbal (5), Motor (6)
–13-15 Mild AMS, 4-8 Coma, 3 Vegetative
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Calculate the Glasgow Coma Scale score–Eye Opening (4), Verbal (5), Motor (6)
–13-15 Mild AMS, 4-8 Coma, 3 Vegetative
• Detect abnormal reflexes–Corneal reflex
–Babinski (Chadduck)
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Examine the pupils–Size and equality
–Light reactivity, consensual response
• Differentiate anisocoria from a true “blown pupil: from herniation
• Note that blown pupils do not occur in awake and responsive patients
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Examine the pupils–Size and equality
–Light reactivity, consensual response
• Perform the Doll’s eye maneuver
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Edward P. Sloan, MD, MPH, FACEP
Doll’s Eye ManeuverDoll’s Eye Maneuver
• Oculocephalic reflex
• Caution with suspected c-spine injury
• Eyes should continue to face to ceiling
• If eyes follow movement of head to side, suspect brainstem involvement in coma
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Examine the pupils–Equality
–Light reactivity
• Perform the Doll’s eye maneuver
• Detect evidence of psychogenic coma–Protective reflex
–Propriety reflex
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Look for ongoing seizure activity
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Look for ongoing seizure activity
• Perform cold calorics
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Edward P. Sloan, MD, MPH, FACEP
Cold Caloric ExaminationCold Caloric Examination
• Oculovestibular reflex• Normal for slow movement of eyes
towards, fast movement away from cold water into ear canal
• If eyes move towards cold water, intact brainstem despite coma
• If no eye movement towards stimulation, suspect brainstem injury
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Edward P. Sloan, MD, MPH, FACEP
Coma Evaluation ProcedureComa Evaluation Procedure
• Look for ongoing seizure activity• Perform cold calorics• Document checklist of coma findings–Presence of coma, responsiveness, GCS–Vital signs, ABCs, empiric therapies–Exam findings checklist –Likely etiology–Likely location of lesion
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Edward P. Sloan, MD, MPH, FACEP
Coma EtiologiesComa Etiologies
• T trauma, temperature
• I infections
• P psychiatric, porphyria
• S space-occupying lesion, stroke, SAH
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Edward P. Sloan, MD, MPH, FACEP
Coma EtiologiesComa Etiologies
• A alcohol, other toxins
• E endocrine
• I insulin (DM complications)
• O oxygen deficiency, opiates
• U uremia, renal disorders
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Edward P. Sloan, MD, MPH, FACEP
Coma Exam: PrinciplesComa Exam: Principles
• Many etiologies are apparent on exam
• Step-wise approach allows for detection
• Follows empiric therapies
• Precedes, directs neuroimaging
• Establishes baseline
• Mental status change then detectable
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Edward P. Sloan, MD, MPH, FACEP
A Clinical Case:A Clinical Case: A Suspected Meningitis A Suspected Meningitis
PatientPatient
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Edward P. Sloan, MD, MPH, FACEP
Patient Clinical HistoryPatient Clinical History• 63 yo female
• Weakness, fever, dehydration
• Mental status begins to deteriorate at home; 911 called
• EMS to ED
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Edward P. Sloan, MD, MPH, FACEP
ED PresentationED Presentation• Responds to verbal stimuli
• Delirious
• Fever of 102 degrees
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Edward P. Sloan, MD, MPH, FACEP
Key Clinical QuestionsKey Clinical Questions
• When do you give the ceftriaxone?• Do you have to give decadron? When?• When are vancomycin and acyclovir
indicated?• IS there and optimal approach to
performing the lumbar puncture? • When might the LP be deferred? Why?
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Edward P. Sloan, MD, MPH, FACEP
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Edward P. Sloan, MD, MPH, FACEP
Lumbar Puncture in Lumbar Puncture in Suspected Meningitis Suspected Meningitis
Patients: Patients: The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Perform a complete neurological exam
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Perform a complete neurological exam
• Evaluate clinically for increased ICP
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Perform a complete neurological exam
• Evaluate clinically for increased ICP
• Obtain a CT prior to LP, assess ICP signs
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Edward P. Sloan, MD, MPH, FACEPAndrew Perron, MD
Quadrigeminal cistern
Supracellar cistern
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Edward P. Sloan, MD, MPH, FACEP
Quadrigeminal cistern
Sylvian cisterns
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Perform a systematic neuro exam
• Evaluate clinically for increased ICP
• Obtain a CT prior to LP, assess ICP signs
• Measure opening pressure when feasible–Measure in all LPs when feasible
–May lead to other diagnoses
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Perform a systematic neuro exam
• Evaluate clinically for increased ICP
• Obtain a CT prior to LP, assess ICP signs
• Measure opening pressure when feasible
• Consider sitting position, assess airway
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Perform a systematic neuro exam• Evaluate clinically for increased ICP• Obtain a CT prior to LP, assess ICP signs
• Measure opening pressure when feasible
• Consider sitting position, assess airway
• Caution with delirious patient
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Send CSF for interpretation:–Tube 1. Hematology: cell count, differential
–Tube 2. Microbiology: gram stain, cultures, antigen
testing
–Tube 3. Chemistry: glucose, protein
–Tube 4. Hematology: cell count, differential
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Edward P. Sloan, MD, MPH, FACEP
Lumbar PunctureLumbar Puncture
• Send CSF for interpretation:–Tube 1. Hematology: cell count, differential
–Tube 2. Microbiology: gram stain, cultures
–Tube 3. Chemistry: glucose, protein
–Tube 4. Hematology: cell count, differential
• WBC, differential not subtle in bacterial meningitis and encephalitis??
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Edward P. Sloan, MD, MPH, FACEP
CSF InterpretationCSF Interpretation
• Bacterial meningitis: –WBCs: Thousands+ WBCs, neutrophils–Frankly cloudy CSF fluid–Usually not CSF pleocytosis (inflammation)
• Viral meningitis, encephalitis:–CSF pleocytosis may be only finding–WBCs: lymphocytes, esp over time–CSF not frankly purulent
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Edward P. Sloan, MD, MPH, FACEP
Lumbar Puncture: PrinciplesLumbar Puncture: Principles
• LP only if clinically feasible• Be cautious if increased ICP possible• Utilize sitting position if necessary• Measure opening pressure if flow fast• Be careful in setting of delirium• Treat with antibiotics first• CSF pleocytosis usu not bacterial meningitis
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Edward P. Sloan, MD, MPH, FACEP
Antibiotic Therapy in Antibiotic Therapy in Suspected Meningitis Suspected Meningitis
Patients: Patients: The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Antibiotic Rx ProcedureAntibiotic Rx Procedure
• Administer 1-2 gr ceftriaxone stat
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Edward P. Sloan, MD, MPH, FACEP
Antibiotic Rx ProcedureAntibiotic Rx Procedure
• Administer 1-2 gr ceftriaxone stat
• If bacterial meningitis is the likely diagnosis, administer:
–10 mg dexamethasone
–1 gr vancomycin
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Edward P. Sloan, MD, MPH, FACEP
Antibiotic Rx ProcedureAntibiotic Rx Procedure
• Administer 1-2 gr ceftriaxone stat
• If bacterial meningitis is the likely diagnosis, administer:
–10 mg dexamethasone IVP
–1 gr vancomycin IVPB
• If viral encephalitis is likely, administer:–1 gr acyclovir IVPB over 1 hour
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Edward P. Sloan, MD, MPH, FACEP
Antibiotic Rx ProcedureAntibiotic Rx Procedure• Administer 1-2 gr ceftriaxone stat• If bacterial meningitis likely diagnosis,
administer:–10 mg dexamethasone IVP–1 gr vancomycin IVPB
• If viral encephalitis is likely, administer:–1 gr acyclovir IVPB over 1 hour
• Treat close contacts: cipro 500 po x 1, rifampin 600 PO BID x 2 days, or
ceftriaxone 250 IM x 1
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Edward P. Sloan, MD, MPH, FACEP
Anbx Rx: Driving PrinciplesAnbx Rx: Driving Principles
• Administer ceftriaxone early, prior to CT• Consider meningitis risk carefully• High risk patients: vancomycin, steroids• Give steroids when pt deemed high risk • Add acyclovir when encephalitis possible• LP only if clinically feasible• Be cautious if increased ICP possible
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Edward P. Sloan, MD, MPH, FACEP
A Clinical Case:A Clinical Case:A Status Epilepticus PatientA Status Epilepticus Patient
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Edward P. Sloan, MD, MPH, FACEP
Patient Clinical HistoryPatient Clinical History• 37 yo male
• EMS to ED
• Generalized seizure at home
• Presents with a prolonged generalized seizure despite benzodiazepine administration
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Edward P. Sloan, MD, MPH, FACEP
ED PresentationED Presentation• Status epilepticus
• Hypertensive, febrile
• Generalized tonic-clonic seizure
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Edward P. Sloan, MD, MPH, FACEP
Key Clinical QuestionsKey Clinical Questions
• Can you stop the seizure?
• Can you get the right meds in the right order in the right dose?
• Can you avoid complications?
• Do you know when an EEG is indicated?
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Edward P. Sloan, MD, MPH, FACEP
ED Status Epilepticus ED Status Epilepticus Patients: Patients:
The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Evaluate globally all resuscitation needs
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Evaluate globally all resuscitation needs
• Administer a benzodiazepine x 4-5–Diazepam 5 mg q 2-5 min
–Lorazepam 2 mg q 2-5 min
–Midazolam 2-5 mg q 2-5 min
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Evaluate globally all resuscitation needs
• Administer a benzodiazepine x 4-5–Diazepam 5 mg q 2-5 min
–Lorazepam 2 mg q 2-5 min
–Midazolam 2-5 mg q 2-5 min
• Order a fosphenytoin bolus infusion
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Infuse fosphenytoin 1 gr PE in 7-10 min
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Infuse fosphenytoin 1 gr PE in 7-10 min
• Repeat fosphenytoin 1 gr infusion
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Infuse fosphenytoin 1 gr PE in 7-10 min
• Repeat fosphenytoin 1 gr infusion
• Order an IV valproate infusion
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Infuse fosphenytoin 1 gr PE in 7-10 min
• Repeat fosphenytoin 1 gr infusion
• Order an IV valproate infusion
• Infuse IV valproate 1500 mg over 5 min
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Infuse fosphenytoin 1 gr PE in 7-10 min
• Repeat fosphenytoin 1 gr infusion
• Order an IV valproate infusion
• Infuse IV valproate 1500 mg over 5 min
• Order phenobarbital for bolus infusion
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Infuse fosphenytoin 1 gr PE in 7-10 min
• Repeat fosphenytoin 1 gr infusion
• Order an IV valproate infusion
• Infuse IV valproate 1500 mg over 5 min
• Order phenobarbital for bolus infusion
• Infuse phenobarbital 100-200 mg q5 min x 5
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Edward P. Sloan, MD, MPH, FACEP
Seizure/SE Rx ProcedureSeizure/SE Rx Procedure
• Prepare for endotracheal intubation
• Prepare to infuse midazolam or propofol
• Complete a head CT
• Consult a neurologist for EEG monitoring
• Disposition to the ICU
• Document the SE therapy, complications, and expected outcome
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Edward P. Sloan, MD, MPH, FACEP
Special ConsiderationsSpecial Considerations
• Consider not using phenobarbital or other infusions after a phenytoin infusion
• Go directly from benzodiazepines to phenytoins to a continuous infusion
• Propofol provides burst suppression
• EEG for coma, continuous infusion AED, or following RSI with paralytic use
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Edward P. Sloan, MD, MPH, FACEP
ED SE Patient Rx Timeline• 0-20 min: ABCs, benzodiazepines• 20-40 min: Phenytoins infusions• 40-60 min: Phenobarbital/valproate
(levetiracetam) infusions • 60-80 min: Midazolam/propofol
continuous infusions• 80-120 min: CT, Neurology, EEG, ICU
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Edward P. Sloan, MD, MPH, FACEP
SE Key PrinciplesSE Key Principles
• Diagnose SE and subtle SE• Stop the seizure, minimize complications• Use a benzodiazepine and a phenytoin• Consider valproate if pt on PO Depakote• Consider the use of phenobarbital• Be able to infuse midazolam or propofol• Get an EEG with persistent coma
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Edward P. Sloan, MD, MPH, FACEP
A Clinical Case:A Clinical Case:Elevated ICP Management Elevated ICP Management
in a TBI Patientin a TBI Patient
![Page 88: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/88.jpg)
Edward P. Sloan, MD, MPH, FACEP
Patient Clinical HistoryPatient Clinical History• 22 yo male
• EMS to ED
• MVC, high speed
• Initially lucid, then deterioration in mental status
• GCS 9
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Edward P. Sloan, MD, MPH, FACEP
ED PresentationED Presentation
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Edward P. Sloan, MD, MPH, FACEP
Key Clinical QuestionsKey Clinical Questions
• Can you manage the multiple trauma
• Can you detect and manage evidence of elevated ICP?
• Do you know neurosurgery indications?
• Do you know ICP monitoring indications?
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Therapy in Elevated ICP Therapy in TBI Patients: TBI Patients:
The ProcedureThe Procedure
![Page 92: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/92.jpg)
Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Evaluate globally all resuscitation needs
![Page 93: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/93.jpg)
Edward P. Sloan, MD, MPH, FACEP
Global Resuscitation NeedsGlobal Resuscitation Needs
• Elevate head of bed
• Control airway
• Maintain SBP > 90 mm Hg
• Maintain oxygen sat > 90%
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Evaluate globally all resuscitation needs
• Consider decadron if brain edema noted in non-traumatic causes of elevated ICP
![Page 95: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/95.jpg)
Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Evaluate globally all resuscitation needs
• Consider decadron if brain edema noted
• Do not provide prophylactic osmotherapy
![Page 96: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/96.jpg)
Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Evaluate globally all resuscitation needs
• Consider decadron if brain edema noted
• Do not provide prophylactic osmotherapy
• Mannitol 20%, 100-200 cc (0.25-0.50 mg/kg) q 4 hr, not by continuous infusion
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Evaluate globally all resuscitation needs
• Consider decadron if brain edema noted
• Do not provide prophylactic osmotherapy
• Mannitol 20%, 100-200 cc (0.25-0.50 mg/kg) q 4 hr, not by continuous infusion
• Lasix 10 mg IVP q 8 hr
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Evaluate globally all resuscitation needs
• Consider decadron if brain edema noted
• Do not provide prophylactic osmotherapy
• Mannitol 20%, 100-200 cc (0.25-0.50 mg/kg) q 4 hr, not by continuous infusion
• Lasix 10 mg IVP q 8 hr
• Measure serum osmols BID, < 310 mOsm/L
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Edward P. Sloan, MD, MPH, FACEP
Mannitol in Elevated ICPMannitol in Elevated ICP
• Indicated when clinical deterioration occurs (worsening mental status)
• Also useful when AMS present at baseline and cerebral edema noted
• In this instance not prophylactic per se
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Do not use prophylactic hyperventilation
![Page 101: Edward Sloan, MD, MPH, FACEP ED Neurological Emergencies Patient Management: Six Emergency Department Neuro-resuscitation Procedures](https://reader036.vdocuments.site/reader036/viewer/2022062407/56649dc65503460f94abb3ae/html5/thumbnails/101.jpg)
Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Do not use prophylactic hyperventilation
• With clinical deterioration, achieve hypocarbia to pCO2 30-35 mm Hg (25-30)
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Do not use prophylactic hyperventilation
• With clinical deterioration, achieve hypocarbia to pCO2 30-35 mm Hg (25-30)
• Raise ventilatory rate with constant tidal volume (rarely up to 12-14 ml/kg)
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Edward P. Sloan, MD, MPH, FACEP
Elevated ICP Rx ProcedureElevated ICP Rx Procedure
• Do not use prophylactic hyperventilation
• With clinical deterioration, achieve hypocarbia to pCO2 30-35 mm Hg
• Raise ventilatory rate with constant tidal volume (rarely up to 12-14 ml/kg)
• Non-depolarizing paralytics, lidocaine to minimize ICP elevation bursts
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Edward P. Sloan, MD, MPH, FACEP
Hyperventilation, Elevated ICPHyperventilation, Elevated ICP
• Tidal volume important
• 10 ml/kg in 80 kg pt: 800 cc tidal volume
• Most pts treated with smaller tidal volumes
• If pCO2 > 35, may need to both increase tidal volume and vent rate in order to maximize minute ventilation, oxygenation
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Edward P. Sloan, MD, MPH, FACEP
Hyperventilation: TV ChangeHyperventilation: TV Change
• 80 kg person
• 700 cc tidal volume, rate 14
• Minute ventilation 9.8 L
• If pCO2 = 35, increase tidal volume to 800
• Minute ventilation increased to 11.2 L
• ~15% increase in tidal volume and minute ventilation
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Edward P. Sloan, MD, MPH, FACEP
Hyperventilation: RR ChangeHyperventilation: RR Change
• 80 kg person
• 700 cc tidal volume, rate 14
• Minute ventilation 9.8 L
• If pCO2 = 35, increase AC rate to 16
• Minute ventilation increased to 11.2 L
• ~15% increase in tidal volume and minute ventilation
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Edward P. Sloan, MD, MPH, FACEP
ICP Rx: Driving PrinciplesICP Rx: Driving Principles
• Know the clinical signs of elevated ICP
• Be able to detect elevated ICP on CT
• Consider decadron and mannitol use
• Consider prophylaxis with a phenytoin
• Be prepared to treat seizures and SE
• Know how to assess rostral-caudal deterioration (herniation)
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Edward P. Sloan, MD, MPH, FACEP
A Clinical Case:A Clinical Case:Elevated INR Management Elevated INR Management
in an ED ICH Patientin an ED ICH Patient
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Edward P. Sloan, MD, MPH, FACEP
Patient Clinical HistoryPatient Clinical History• 78 yo male
• EMS to ED
• AMS
• Found in bed this AM
• On coumadin for Atrial fibrillation
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Edward P. Sloan, MD, MPH, FACEP
ED PresentationED Presentation• Large ICH
• INR = 10.5
2.0 hours after onset
6.5 hours after onset
2.0 hours after onset
6.5 hours after onset
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Edward P. Sloan, MD, MPH, FACEP
Key Clinical QuestionsKey Clinical Questions
• Can we correct the INR in a way that is safe and fast enough to prevent growth in the ICH?
• What is PCC?
• What about Factor VIIa?
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Edward P. Sloan, MD, MPH, FACEP
Elevated INR Therapy in Elevated INR Therapy in ICH Patients: ICH Patients: The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Elevated INR Rx ProcedureElevated INR Rx Procedure
• Vitamin K 10 mg subq or IVP
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Edward P. Sloan, MD, MPH, FACEP
Elevated INR Rx ProcedureElevated INR Rx Procedure
• Vitamin K 10 mg subq or IVP
• Fresh frozen plasma (5-8 ml/kg, 1-2 units, 250-500 cc total)
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Edward P. Sloan, MD, MPH, FACEP
Elevated INR Rx ProcedureElevated INR Rx Procedure
• Vitamin K 10 mg subq or IVP
• Fresh frozen plasma (5-8 ml/kg, 1-2 units, 250-500 cc total)
• Prothrombin complex concentrate (FACTOR IX) 25-50 IU/kg
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Edward P. Sloan, MD, MPH, FACEP
Elevated INR Rx ProcedureElevated INR Rx Procedure
• Vitamin K 10 mg subq or IVP
• Fresh frozen plasma (5-8 ml/kg)
1-2 units, 250-500 cc total
• Prothrombin complex concentrate (FACTOR IX) 25-50 IU/kg
• Recombinent Factor VIIa (40-60 µgr/kg)
3-4 mg total
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Edward P. Sloan, MD, MPH, FACEP
INR Rx: Driving PrinciplesINR Rx: Driving Principles
• Establish the extent of INR elevation and presence of bleeding (< 5, 5-9, >9)
• Administer Vitamin K IV
• Order fresh frozen plasma
• Consider Factor IX use
• Consider recombinant Factor VIIa use
• Monitor INR until < 5
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Edward P. Sloan, MD, MPH, FACEP
A Clinical Case:A Clinical Case:Elevated BP Management in Elevated BP Management in
an ED AIS Patientan ED AIS Patient
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Edward P. Sloan, MD, MPH, FACEP
Patient Clinical HistoryPatient Clinical History• 56 yo female
• EMS to ED
• Developed hemiparesis and aphasia while in grocery store
• Presents within 30 minutes awake, alert
• May be a good tPA candidate
• BP 236/136, MAP 169
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Edward P. Sloan, MD, MPH, FACEP
ED PresentationED Presentation
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Edward P. Sloan, MD, MPH, FACEP
Key Clinical QuestionsKey Clinical Questions
• Can you control the blood pressure without causing a watershed infarction?
• What medications are optimal in this setting?
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Therapy in Elevated BP Therapy in AIS Patients: AIS Patients:
The ProcedureThe Procedure
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx ProcedureElevated BP Rx Procedure
• Establish if this is a true hypertensive emergency with end organ damage
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx ProcedureElevated BP Rx Procedure
• Establish if this is a true hypertensive emergency with end organ damage
• Recheck the blood pressure yourself
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx ProcedureElevated BP Rx Procedure
• Establish if this is a true hypertensive emergency with end organ damage
• Recheck the blood pressure yourself
• Recheck the blood pressure in both arms
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx ProcedureElevated BP Rx Procedure
• Establish if this is a true hypertensive emergency with end organ damage
• Recheck the blood pressure yourself
• Recheck the blood pressure in both arms
• Plan to lower the BP by 20-25%
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx ProcedureElevated BP Rx Procedure
• Establish if this is a true hypertensive emergency with end organ damage
• Recheck the blood pressure yourself
• Recheck the blood pressure in both arms
• Plan to lower the BP by 20-25%
• Use meds that have consistent effects, can be titrated, and can be discontinued
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx TherapiesElevated BP Rx Therapies
• Intermittent bolus medications
• Enalaprilat: 1.25 mg slow IVP
• Hydralazine: 10 mg slow IVP
• Labetalol: 10-20 mg slow IVP
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx TherapiesElevated BP Rx Therapies• Continuous infusion medications
• Esmolol: 500 mcg/kg IV bolus over 1 minute, start infusion at 50 - 100 mcg/kg/min
• Fenoldopam: 0.1 to 0.3 mcg/kg/minute to start
• Nicardipine: 5 mg/hr continuous infusion
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Edward P. Sloan, MD, MPH, FACEP
Elevated BP Rx TherapiesElevated BP Rx Therapies• Continuous infusion medications
• Nitroprusside: Initial: 0.3-0.5 mcg/kg/minute. Increase in increments of 0.5 mcg/kg/minute
• Nitroglycerine: 5 mcg/min IV infusion. Increase by 5 mcg/minute every 3-5 minutes to 20 mcg/minute.
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Edward P. Sloan, MD, MPH, FACEP
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Edward P. Sloan, MD, MPH, FACEP
BP Rx: Driving PrinciplesBP Rx: Driving Principles
• Establish hypertensive emergency• Make sure the reading are correct• Assess for an aortic dissection• Use meds with consistent effects• Go slow, achieve a 20-25% MAP reduction• Recheck the BP frequently yourself• MAP of 110-120 mm Hg is OK
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Edward P. Sloan, MD, MPH, FACEP
ConclusionsConclusions
• We are systematic
• Our procedures are concise, effective
• The evidence supports a simple and directed approach
• When patients remain stable without complications, we have done our job
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Edward P. Sloan, MD, MPH, FACEP
RecommendationsRecommendations
• Know the guidelines• Utilize evidence-based procedures• Watch for complications• Document what was done and the
rationale for the approach• Document the effects and continued
surveillance
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Edward P. Sloan, MD, MPH, FACEP
Questions??Questions??
[email protected]@ferne.org
Edward Sloan, MD, MPHEdward Sloan, MD, [email protected]
312 413 7490312 413 7490
ferne_ieme_2006_sloan_resus_120306_ fshow.ppt 04/19/23 06:38