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IBHRE CEPS - TROUBLE QUESTIONS AND ANSWERS 2024
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IBHRE CEPS - TROUBLE QUESTIONS AND ANSWERS 2024
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IBHRE CEPS - TROUBLE168. Compared to the the permanent pacemaker, does a temp pacer have
constant current or voltage? Also, how much voltage can it generate? 5V or 20V?
- ANSWERS-Constant current, 20V. (Doubles 9.5V)
171. Which patient with acute MI is most likely to need a temp pacer?
Inferior MI, Mobitz I AV Bock
Inferior MI, bundle branch block
Anterior MI, Mobitz I AV Bock
Anterior MI, bundle branch block - ANSWERS-Anterior MI, bundle branch block
Acute BBB post MI should be seen as a warning and often proceeds CHB. The RCA
commonly supplies blood to the AV node making the impact of an Anterior MI
more significant
12. For maximum electrical safety, the ECG monitored patient should be
_____________, and the monitor chassis should be _______________ or non-
conductive. (Grounded vs Ungrounded) - ANSWERS-Ungrounded, grounded
34. What channel is responsible for the SA and AV node upstroke? - ANSWERS-
Ca++ Slow Channel
38. How does gender effect SVT frequency for AVNRT and AVRT? - ANSWERS-
Women twice as likely to get AVNRT, men twice as likely to get AVRT
, 39. The plateau (phase 2) occurs on the surface ECG during the_________ , and
during mechanical _________________ . - ANSWERS-QT interval, Systole
48. The pause after atrial pacing is termed: - ANSWERS-Overdrive suppression
49. Most arrhythmias in the EP lab are caused by?
a. Vagal response
b. Automaticity
c. Triggered
d. Reentry - ANSWERS-Reentry
50. What mechanism causes "triggered" arrhythmias?
a. Reentry
b. After depolarization
c. Automaticity of the atrial tissue
d. Automaticity of the ventricular tissue - ANSWERS-After depolarization (think R
on T)
51. What do the terms EAD and DAD stand for and what arrythmias are they
associated with? - ANSWERS-EAD - Early after deporization, Torsades
DAD - Delayed after depolarization, RVOT VT
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