3. monitoring & devices used in icu ccu
TRANSCRIPT
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DEVICES USED IN ICU &
MONITORING
1Prof. Dr. RS Mehta, BPKIHS
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INTRODUCTION
Intensive care unit (ICU) equipment includes patient monitoring, respiratory and cardiac support, pain management, emergency resuscitation devices, and other life support equipment .
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Contd…They are designed to care for patients who are
seriously injured, have a critical or life-threatening illness,
or have undergone a major surgical
procedure thereby requiring 24-hour care and monitoring.
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PURPOSE
An ICU may be designed and equipped to provide care to patients with a range of conditions, or it may be designed and equipped to provide specialized care to patients with specific conditions.
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Contd…Neuromedical ICU cares for
patients with acute conditions involving the nervous system or patients who have just had neurosurgical procedures and require equipment for monitoring and assessing the brain and spinal cord.
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Contd… A neonatal ICU is designed and
equipped to care for infants who are ill, born prematurely, or have a condition requiring constant monitoring.
A trauma/burn ICU provides specialized injury and wound care for patients involved in auto accidents and patients who have gunshot injuries or burns. 6Prof. Dr. RS Mehta, BPKIHS
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TYPES OF DEVICESIntensive care unit equipment
includes Patient monitoring devices Life support and emergency
resuscitation devices, and Diagnostic devices.
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PATIENT MONITORING EQUIPMENT Arterial lineBed side monitorBlood pressure device
(sphygmomanometer)Blood pressure monitorElectrocardiograph(ECG or EKG
machine)Electroencephalograph(EEG
machine)Intracranial pressure monitorPulse OximeterGlucometer
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LIFE SUPPORT AND EMERGENCY RESUSCITATION DEVICES
Mechanical Ventilator Laryngoscope AirwayInfusion pumpCrash cart(Resuscitation cart)Intra aortic ballon pumpContinuous positive air pressure
machine (CPAP)Defibrillator
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DIAGNOSTIC EQUIPMENT
Mobile x-ray unitsportable clinical laboratory devices,Bronchoscope Colonoscope EndoscopeGastroscope
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OTHER ICU EQUIPMENT
Disposable ICU equipment includes
Urinary catheterUrinary drainage collectorSuction catheterNasogastric (NG) tubeIntravenous(IV) line or catheterFeeding tubeBreathing tube( Endotracheal
tube) 11Prof. Dr. RS Mehta, BPKIHS
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Hemodynamic Monitoring
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OverviewBlood pressure monitoring
◦NIBP◦IBP
Central venous pressure monitoring
Pulmonary artery pressure monitoring
Mixed venous oxygen monitoringCardiac output
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Why monitor BP?
◦Alterations inherent◦Provides data for
interpretation/therapeutic decisions◦Important for determining organ
perfusion (MAP most important, except with the heart)
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Noninvasive Hemodynamic Monitoring
Noninvasive BP
Heart Rate, pulses
Mental Status
Skin Temperature
Capillary Refill
Urine Output
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Indications for Arterial Blood Pressure
Frequent titration of vasoactive dripsMajor surgery involving large fluid
shiftsCVPAortic surgeryUnstable blood pressures Frequent ABGs or labsUnable to obtain Non-invasive BP
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Supplies to GatherArterial CatheterPressure TubingPressure CableSterile GownSterile TowelsSterile Gloves
Pressure BagFlush – 500cc NSSuture (silk 2.0)Chlorhexidine
SwabsMask
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Potential Complications Associated With Arterial Lines
Hemorrhage
Air Emboli
Infection
Altered Skin Integrity
Impaired Circulation
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ARTERIAL LINEDEFINITION: It is the method of direct continuous
monitoring of systemic arterial pressure by inserting a catheter into peripheral artery either in arm or in leg. The catheter is connected with a transducer with electrical signals.
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PURPOSE:
The arterial line provides a way to constantly measure a patient's blood pressure and may be essential to the stabilization of the patient.
Continuous measurement of arterial blood pressure in case of open heart surgery.
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Arterial lines may be useful in patients with very high or low blood pressures. The arterial line also provides access for frequent blood sampling.
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COMPLICATIONS:The major complications
associated with the arterial line are bleeding, infection, and rarely, a lack of blood flow to the tissue supplied by the artery.
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NURSES ROLE / NURSING CARENever give any medication through an
arterial line.Always check the pressure of the
pressurized bag and maintain a pressure of 300mm of hg.
Cover the cannula cap with adhesive tape.Flush properly the arterial line every hour
and every time after a blood sample is drawn.
Always compress the site after removal of arterial line for 10 min.
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BEDSIDE MONITORA bedside monitor
is a display of major body functions on a device that looks like a television screen or computer monitor.
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It is a comprehensive patient monitoring systems that can be configured to continuously measure and display a number of parameters via electrodes and sensors that are connected to the patient.
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These may include the electrical activity of the heart via an EKG, respiration rate (breathing), blood pressure, body temperature, cardiac output, and amount of oxygen and carbon dioxide in the blood.
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Each patient bed in an ICU has a physiologic monitor that measure these body activities. All monitors are networked to a central nurses' station.
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PURPOSES:The monitor is typically used
when the doctor wants to measure functions like the heart rate, respiratory rate, blood pressure and temperature. In addition, special functions such as capnography, oximetry, electroencephalography and pulmonary artery catheter readings are also used in certain situations. 28Prof. Dr. RS Mehta, BPKIHS
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The bedside monitor has alarms that signal the nurse if a body function needs attention.
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NURSES ROLE:Check properly each connection
so as to get a desired reading.Any abnormality in a reading is
signalled by an alarm so inform doctor immediately.
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Central Venous Line or Catheter
A central venous catheter is a special IV line that is inserted into a large vein in the body. Several veins are used for central venous catheters including those located in the shoulder (subclavian vein), neck (jugular vein), and groin (femoral vein)
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Common sites for central venous catheter insertion
1
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PROCEDUREThe most
common used method is seldinger technique.
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In some patients, a central venous catheter may be inserted into the elbow vein (anticubital vein) and advanced into the subclavian vein.
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PURPOSEThese special IVs are used when
the patient either does not have adequate veins in the arms or needs special medications and/or nutrition that cannot be given through the smaller arm veins.
Serve as a guide of fluid balance in critically ill patients.
Determine the function of the right side of the heart
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complicationBleeding and infection are
complications associated with IV catheters. As previously mentioned, collapse of a lung is a rare complication of central venous catheters. If this occurs, a chest tube (thoracostomy tube) may be required to re-expand the lung.
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Arterial puncture, cardiac puncture Pneumothorax, Hemomothorax Air emboli, Thrombosis Cardiac temponade Cardiac arrhythmiasCarotid Artery PuncturePerforation of SVC or R.
Atrium/VentriclePleural Effusion
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NURSES ROLEMonitor for the signs of
complications.Assess for patency of the CVP
line.Sterile dressing should be done
to prevent infection( CVP care per the hospital protocol)
The length of the indwelling catheter should be recorded and regularly monitored.
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ICP monitorICU patients who have sustained
head trauma, brain hemorrhage, brain surgery, or conditions in which the brain may swell might require intracranial pressure monitoring.
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PURPOSEThe purpose of ICP monitoring is
to continuously measure the pressure surrounding the brain. If the pressure surrounding the brain gets too high, it can cause decreased blood flow to the brain and potentially lead to brain damage.
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The ICP monitor is usually inserted by a neurosurgeon while the patient is in the ICU or operating room. After using numbing medicine (local anesthetics), the neurosurgeon makes a skin incision and inserts the ICP monitor into the brain through a very small hole created in the skull.
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The ICP monitor is usually inserted in the left or right top-front part of the brain. Some ICP monitors can drain spinal fluid if necessary.
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complicationPotential complications
associated with ICP monitoring include infection and brain hemorrhage, which are very infrequent.
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Nurses roleOptimizing cerebral tissue
perfusion.Preventing infection.Maintaining patient airway.Maintaining negative fluid
balance.Prevent infection( dressing)
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PULSE OXIMETER
A pulse oximeter is the device that measures and displays the oxygen arterial saturation. The study is called pulse oxymetry.
The pulse oximeter is a small device that has to be in contact with the skin to detect the oxygen saturation.
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The device is usually place on the patient's finger, earlobe, toe or nose. The pulse oximeter gives off light that determines the oxygen saturation of the blood.
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Breathing Machine (Mechanical Ventilator
A breathing machine helps the patient breathe. It is designed to help patients who cannot breathe adequately on their own. The breathing machine does not fix any problems of the lungs.
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It is a device that simply pushes air and oxygen into the lungs and withdraws carbon dioxide from the lungs. The lungs must function in order for the breathing machine to be effective.
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PURPOSEA breathing machine
is used whenever a patient cannot breathe without assistance. Doctors, nurses and respiratory therapists all work to make sure a breathing machine is not used any longer than necessary.
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The goal when a breathing machine is first used is to get the patient to be able to breathe on their own, so that the breathing machine can be removed.
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complicationsPatients who require breathing
machine support are at increased risk to develop pneumonia. Occasionally, patients may develop a collapsed lung. Both of these complications require treatment
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NURSES ROLEPromoting effective airway
clearance.preventing trauma and infection. Check Ventilator functioning properly Blockage of air passage Too much sputum, secretions When sedation drugs are used ABG, hypoxia
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b. Suction periodically as per needc. Change the mode setup as
adviced.d. Give sedatives as adviced.
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INFUSION PUMPAn intravenous (IV) infusion pump
is a machine that carefully controls the rate at which IV fluids and/or IV medications are given.
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PURPOSEUnder some circumstances, the
rate at which IV fluids and/or IV medications are given needs to be closely controlled.
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These pumps are very reliable. Mechanical problems are possible, but very rare. If the IV infusion pump does not work correctly, an alarm will sound.
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NURSES ROLEUsing aseptic technique and
universal precautions, iv infusion should be set.
Set the flow rate as prescribed calculating the amount of fluid.
Observe for the signs of infiltration or other complications such as thrombophlebitis. Fluid or electrolyte overload and embolism before administration.
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Resuscitation Cart (Crash Cart)
The resuscitation cart contains all of the equipment and medications needed for advanced life support and CPR (cardiopulmonary resuscitation).
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purposeThis emergency equipment is
used only if the patient's heart or lungs stop working. The cart is brought to the patient's bedside when the patient's heart or lungs are failing or have failed.
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NURSES ROLEKeep the resuscitation cart ready
all the time.Check the devices and ensure
that the devices are kept in charging.
Check for the emergency (life saving) medication for their expiry date.
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DEFIBRILLATORA defibrillator is a device that is
designed to pass electrical current through a patient’s heart. The passing of electrical current through the heart is called defibrillation. A defibrillation is done through pads placed on the patient’s chest.
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purposeA defibrillation is used to restore
a patient’s heart rhythm to normal. Abnormal heart rhythms may be treated with medications while other rhythms need to be treated with defibrillation.
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Life threatening heart rhythms need defibrillation immediately while other heart rhythms may be defibrillated in a scheduled fashion.
Defibrillation may be done using the manual defibrillator or the automatic external defibrillator (AED).
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ComplicationThe defibrillator pads may cause a
skin irritation and leave a temporary redden area where they contacted the chest. Unfortunately defibrillation does not always return the patient’s heart rhythm back to normal.
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NURSES ROLE Keep the patient in comfortable
position and obtain 12 lead ECG.Give the patient 100 % oxygen by
inhalation.Apply electrode paste on the DC
paddle, rub it and apply the paste at the patient’s chest in the second intercostal space at the right side of breast line and at the apex of the heart.
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TURN OFF the oxygen to the patient as a spark from paddle could blow the oxygen on the fire.
Be sure to say “ ALL CLEAR”. No one should touch the patient or the bed during cardioversion.
Check the rhythm on ECG monitor.
Keep the patient in comfortable position and give 100% oxygen by inhalation. 68Prof. Dr. RS Mehta, BPKIHS
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Report and record the procedure and clean the paddle area with spirit swab.
Keep the difibrilator on continue electrical charging.
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MAINTENANCE OF ICU EQUIPMENTS
Since ICU equipment is used
continuously on critically ill patients, it is essential that equipment be properly maintained, particularly devices that are used for life support and resuscitation.
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Contd… Staff in the ICU should perform daily
checks on equipment and inform biomedical engineering staff when equipment needs maintenance, repair, or replacement.
For mechanically complex devices, service and preventive maintenance contracts are available from the manufacturer or third-party servicing companies, and should be kept current at all times.
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Health care team roles
Equipment in the ICU is used by a team specialized in their use. The team usually comprises a critical care attending physician (also called an intensivist), critical care nurses, an infectious disease team, critical care respiratory therapists, pharmacologists, physical therapists, and dietitians.
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Radiologic technologists perform mobile x ray examinations (bedside radiography). Either nurses or clinical laboratory personnel perform point-of-care blood analysis. Equipment in the ICU is maintained and repaired by hospital biomedical engineering staff and/or the equipment manufacturer.
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Thank you
74Prof. Dr. RS Mehta, BPKIHS