IBHRE CEPS Trouble Questions and Answers, Exams of Health sciences

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168. Compared to the the permanent pacemaker, does a temp pacer have constant current or voltage? Also, how much voltage can it generate? SV or 20V? ANSWER 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 ANSWER Anterior MI, bundle branch block Acute BBB post MI should be seen as a warning and often proceeds CIIB. 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) ANSWER Ungrounded, grounded 34. What channel is responsible for the SA and AV node upstroke? ANSWER Cat+ Slow Channel 38. How does gender effect SVT frequency for AVNRT and AVRT? ANSWER Women twice as likely to get AVNRT, men twice as likely to get AVRT