pacemaker 발표용[1].ppt 최종
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Pacemaker Pacemaker managementmanagement
2009.07.032009.07.03홍은미홍은미 ,, 박미정박미정
HICU ConferenceHICU Conference
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Atrial muscle
SA node Left atrium
Descending aortaInferiorvena cava
Ventricluar
Pulmonaryveins
Superiorvena cava
Tricuspid valve
Mitral valve
AV node
Purkinjefibers
muscle
Specializedconducting
tissue
Cardiac conduction Cardiac conduction systemsystem
SA node 에서 시작해서 심방 전체로 퍼짐
AV node 에 전기를 전달
His Purkinje system 에 의해 우심실 , 좌심실 activation
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Cardiac Cardiac cconduction onduction systemsystem
Pacemaker cells Pacemaker cells - SA node, AV node- SA node, AV node
Specialized Specialized conducting tissues –conducting tissues –His bundle, Purkinje His bundle, Purkinje fibers fibers
Myocardial cellsMyocardial cells
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ARTIFICIAL CARDIAC ARTIFICIAL CARDIAC PACINGPACING
심장 고유한 전기적 체계가 심장 고유한 전기적 체계가 효과적으로 적절한 박동을 유지하지 효과적으로 적절한 박동을 유지하지 못하는 경우 심장박동을 유발할 수 못하는 경우 심장박동을 유발할 수 있도록 고안된 전기적 기구로 있도록 고안된 전기적 기구로 bradyarrhythmia and bradyarrhythmia and tachyarrhythmiatachyarrhythmia 의의 치료 치료
목적으로 사용목적으로 사용
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PacingPacing 의 종류의 종류Permanent pacing (implantation)
Temporary pacing
External subcutaneous (zoll patch)
Epicardial pacing
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인공심박조율기의 기능 설정
MODE
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Pacemaker ComponentsPacemaker Components
Pulse generator: Pulse generator: power source or power source or batterybattery
Leads or wiresLeads or wires Cathode (-ve Cathode (-ve
electrode)electrode) Anode (+ve Anode (+ve
electrode)electrode) Body tissueBody tissue
IPG
Lead
Anode
Cathode
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The NASPE/BPEG The NASPE/BPEG Generic Pacemaker CodeGeneric Pacemaker CodeI II III IV V
Chamber Paced
Chamber Sensed
Response to Sensing
Rate Modulation, Programmability
Anti-tachycardia Features
A=Atrium A=Atrium T=Triggered
P=Simple P=Pacing
V=Ventricle
V=Ventricle
I=Inhibited M=Multi-programmable
S=Shock
D=Dual D=Dual D=Dual R=Rate Adaptive D=Dual
O=None O=None O=None C=Communicating
O=None
North American Society of Pacing and Electrophysiology/British Pacing and Electrophysiology Group
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Temporary Pacing Modes Temporary Pacing Modes Used after Heart SurgeryUsed after Heart Surgery
Code positions Description
I II III
A O O Asynchronous atrial pacing
A A I Atrial demand pacing
V O O Asynchronous ventricle pacing (do not use)
V V I Ventricle demand pacing
D O O Asynchronous AV pacing
D V I AV sequential pacing(ventricle demand)
D D D AV pacing
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AOO
AAI
AAT
VOO
VVI
VVT
Single Chamber Pacemaker
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VVII *
Single Chamber Pacemaker
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VATVDDDOODVIDDIDDD
Dual Chamber Pacemaker
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DDDT / I
*I*
Dual Chamber Pacemaker
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Pacemaker importance of Post Cardiac Pacemaker importance of Post Cardiac SurgerySurgery
- Optimal hemodynamics are achieved at a Optimal hemodynamics are achieved at a heart rate of 90 beats/min in the heart rate of 90 beats/min in the postoperative period. Use of pacing wires to postoperative period. Use of pacing wires to increase the heart rate is preferable to the increase the heart rate is preferable to the use of positive chronotropic agents that use of positive chronotropic agents that have effects on myocardial function.have effects on myocardial function.
- Reentrant rhythms can be terminated by - Reentrant rhythms can be terminated by rapid pacingrapid pacing
Manual of perioperative care in cardiac surgery(P275)
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Pacemaker Pacemaker 종류 종류 (HICU )(HICU )
Demand DDD New 2
NEW 1 AV Overdrive
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Pacing mode Pacing mode Commonly Encountered Pacing Modes
Mode Advantages Disadvantages Clinical uses
AAI(R) Requires only single lead simple
Slow ventricular rate s may develop if AV block occures
Sinus node dysfunction without AV node dysfunction
VVI(R) Requires only single lead simple
During pacing, AV synchrony is not preserved
AV block in a patient with a-Fib
DDD(R) AV synchrony is maintained for patients with sinus node and AV node disease
Requires two lead More complex
Bradycardia caused by sinus node and AV node disease
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Atrial pacingAtrial pacing AOO mode (asynchronous atrial pacing) AOO mode (asynchronous atrial pacing) AAI mode (atrial demand pacing) AAI mode (atrial demand pacing)
Indication Indication ((sinus node dysfunction without AV node sinus node dysfunction without AV node
dysfunction)dysfunction) a) sinus bradycardiaa) sinus bradycardia b) slow junctional rhythm b) slow junctional rhythm
c) suppressIon of PVC, PACc) suppressIon of PVC, PAC d) overdriving PSVT d) overdriving PSVT
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Atrial pacingAtrial pacing
Atrial pacing 80bpm, 7mA (demand type)
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Ventricular pacingVentricular pacing
VVI mode (ventricular demand pacing)VVI mode (ventricular demand pacing) * Ventricular pacing* Ventricular pacing 은 절대 은 절대
asynchronous (VOO type) asynchronous (VOO type) 로 하지 않을 로 하지 않을 것것 !!
IndicationIndication a) a slow ventricular response to a- a) a slow ventricular response to a-
fib/flutter fib/flutter b) atrial pacingb) atrial pacing 이 안 되는 경우이 안 되는 경우 c) ventricular tachycardia (overdrive c) ventricular tachycardia (overdrive
pacing)pacing) * * 단점 단점 : AV synchrony: AV synchrony 가 되지 않음가 되지 않음
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Ventricular pacingVentricular pacing
Ventricular pacing 80bpm, 20mA
Ventricular pacing 80bpm, 20mA
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AAI Pacing
Pacing failure junctional rhythm change
VVI Pacing
Ventricular pacing
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Atrioventricular pacingAtrioventricular pacing
DVI mode (AV sequential pacing = DVI mode (AV sequential pacing = ventricular demand)ventricular demand)
DDD mode (AV pacing) DDD mode (AV pacing)
보통 보통 atrial , ventricular outputatrial , ventricular output 은 은 10~20mA, 10~20mA, PR intervalPR interval 은 은 150ms150ms 으로 으로 setting setting 함함
Indication (a-fib/ flutter Indication (a-fib/ flutter 일 때는 부적합일 때는 부적합 )) a) heart block (1a) heart block (1 도도 , 2, 2 도도 , 3, 3 도도 ) ) b) heart block b) heart block 이 있는 이 있는 fast atrial rate fast atrial rate 일 때 일 때
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Atrioventricular pacingAtrioventricular pacing
A-V sequential pacing 14mA(a), 10mA(v), 78bpm,
150ms
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Overdrive pacingOverdrive pacing
800800 회회 //분까지 분까지 pacing pacing 가능한 가능한 pacemaker pacemaker 필요 필요
Full mA (20)Full mA (20) 로 로 tachycardia, fluttertachycardia, flutter 보다 보다 1010 회회 //분 가량 빠른 속도로 분 가량 빠른 속도로 pacing pacing 시작 시작
-> capture -> capture 되면되면 , flutter , flutter 모양 바뀔 때까지 모양 바뀔 때까지 rate rate 증가 증가 (20~30%)(20~30%) 시킨 후 약 시킨 후 약 11 분 가량 분 가량 pacing pacing
-> -> 갑자기 갑자기 pacing off (NSR, pause, A-fib, pacing off (NSR, pause, A-fib, flutter flutter 가능가능 ) )
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Overdrive pacingOverdrive pacing
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Potential problemsPotential problems
Failure to function : Failure to function : 연결 미흡연결 미흡 , , 베터리 부족베터리 부족 , , a-fiba-fib 이 이 atrial capture atrial capture 방해방해 , epicardium, epicardium 에서 에서 wire wire 헐거워진 경우 등헐거워진 경우 등
Threshold Threshold 변화 변화 환자의 환자의 rhythmrhythm 과 경쟁 과 경쟁 (asynchronous (asynchronous 경우 경우 --
> pacing off > pacing off 시 문제 해결시 문제 해결 )) Undersensing/oversensingUndersensing/oversensing V-tach/fib V-tach/fib 발생발생 : Asynchronous Ventricular : Asynchronous Ventricular
pacing pacing 시시 (demand type-DVI, VVI, DDD-(demand type-DVI, VVI, DDD- 으로 으로 해야해야 ))
Mediastinal bleedingMediastinal bleeding Wire Wire 제거 불능 제거 불능
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Nursing CareNursing Care
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ICU ICU 심박동기 사용법심박동기 사용법
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Overdrive pacemakerOverdrive pacemaker
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Overdrive pacemaker Overdrive pacemaker
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Overdrive pacemakerOverdrive pacemaker
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Overdrive pacemakerOverdrive pacemaker
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Overdrive pacemakerOverdrive pacemaker
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Single Single chamberchamber pacemaker pacemaker
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Single chamber pacemakerSingle chamber pacemaker
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Single chamber pacemakerSingle chamber pacemaker
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Single chamber pacemakerSingle chamber pacemaker
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Single chamber pacemakerSingle chamber pacemaker
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Dual chamber pacemaker1 Dual chamber pacemaker1
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Dual chamber pacemaker 1Dual chamber pacemaker 1
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Dual chamber pacemaker 1Dual chamber pacemaker 1
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Dual chamber pacemaker 1Dual chamber pacemaker 1
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Dual chamber pacemaker 1Dual chamber pacemaker 1
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Dual chamber pacemaker 2Dual chamber pacemaker 2
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Dual chamber pacemaker 2Dual chamber pacemaker 2
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Dual chamber pacemaker 2Dual chamber pacemaker 2
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Dual chamber pacemaker 2Dual chamber pacemaker 2
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Dual chamber pacemaker 2Dual chamber pacemaker 2
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Dual chamber pacemaker 3Dual chamber pacemaker 3
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Dual chamber pacemaker 3Dual chamber pacemaker 3
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Dual chamber pacemaker 3Dual chamber pacemaker 3
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Dual chamber pacemaker 3Dual chamber pacemaker 3
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은미 , 미정 , 정은 손이 ^ ^