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pacemaker
Cardio 3
| Question | Answer |
|---|---|
| 3rd degree AV block w/in or below His-purkinje system | class 1 for pacemaker |
| asystole > 3s | class 1 for pacemaker |
| escape rate < 40pbm | class 1 for pacemaker |
| 2nd degree AV block w/symptomatic bradycardia | class 1 for pacemaker |
| alternating or bilateral BBB | class 1 for pacemaker |
| bradycardia caused by a necessary drug therapy | class 2a for pacemaker |
| asymptomatic 2nd degree AV block (both types) | class 2a for pacemaker |
| symptomatic 1st degree AV block | class 2a for pacemaker |
| recurrent syncope w/bradycardia | class 2a for pacemaker |
| 1st degree AV block >300ms | class 2b for pacemaker |
| minimally symptomatic bradycardia | class 2b for pacemaker |
| chronic bradycardia | class 2b for pacemaker |
| neurally mediated syncope reproduced by tilt-table test | class 2b for pacemaker |
| asymptomatic SA node dysfunction | class 3 for pacemaker |
| bradycardia caused by unnecessary bradycardia | class 3 for pacemaker |
| asymptomatic 1st or type 1 second degree AV block | class 3 for pacemaker |
| asymptomatic w/positive response to carotid sinus massage | class 3 for pacemaker |
| situational vasovagal syncope | class 3 for pacemaker |
| recurrent syncope w/o bradycardia | class 3 for pacemaker |
| AV block due to lyme disease | class 3 for pacemaker |
| AV block due to drug toxicity | class 3 for pacemaker |
| sustained VT | > 30s |
| common cause of structural heart disease | MI |
| cardiac arrest due to VT/VF w/o a transient or reversible cause | class 1 for defibrillator |
| spontaneous sustained VT due to structural heart disease | class 1 for defibrillator |
| syncope of undetermined origin w/sustained symptomatic VT | class 1 for defibrillator |
| syncope of undetermined origin w/VF that can't be treated with drug therapy | class 1 for defibrillator |
| nonsustained VT w/CAD | class 1 for defibrillator |
| nonsustained VT w/MI | class 1 for defibrillator |
| nonsustained VT w/LV dysfunction | class 1 for defibrillator |
| inducible VF or VT | class 1 for defibrillator |
| LVEF <30% | class 2a for defibrillator |
| cardiac arrest assumed due to VF | class 2b for defibrillator |
| long QT | class 2b for defibrillator |
| symptomatic sustained VT while awaiting heart transplant | class 2b for defibrillator |
| hypertrophic cardiomyopathy | class 2b for defibrillator |
| syncope of undetermined origin w/ventricular dysfunction | class 3 for defibrillator |
| syncope of undetermined origin w/structural heart disease | class 3 for defibrillator |
| RBBB and ST elevation w/syncope or FHx | class 3 for defibrillator |
| syncope of undetermined origin w/no structural heart disease | class 3 for defibrillator |
| incessant VT/VF | class 3 for defibrillator |
| transient/reversible VF | class 3 for defibrillator |
| some psychiatric conditions | class 3 for defibrillator |
| terminal illness | class 3 for defibrillator |
| long QRS | class 3 for defibrillator |
| inducible VT in bypass pts | class 3 for defibrillator |
| pacing rate conversion factor | 60,000 |
| depolarization and contractor of atria/ventricles in response to pacemaker stimulus | capture |
| turns off sensing of pacemaker, forcing it to just pace | magnet mode |
| pacing w/sensing, sensed events reset the pacing interval | damand pacing |
| can sense/pace in both sets of chambers | dual chamber pacing |
Created by:
drhermy
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