Exam (elaborations)
BAMC TELE EXAM QUESTIONS WITH COMPLETE ANSWERS
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BAMC TELE EXAM QUESTIONS WITH COMPLETE ANSWERS
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BAMC TELE EXAM QUESTIONS WITHCOMPLETE ANSWERS
SA node (sinoatrial node) - Answer-60-100 bpm
AV node (atrioventricular node) - Answer-40-60 bpm
Purkinje fibers - Answer-20-40 bpm
P Wave - Answer-- atrial depolarization
- 0.10 sec
PR interval - Answer-0.12-0.20 seconds
QRS complex - Answer-0.04-0.10 seconds
ST segment - Answer-0.08 seconds
T wave - Answer-<5mm
Sinus Bradycardia - Answer-<60 bpm
Treat only if symptomatic
- atropine
-avoid dig, morphine, beta-blockers
First Degree AV Block - Answer-Prolonged > 0.20 seconds, remains constant with QRS
complex measuring normal
Second Degree AV Block Type 1 (Wenckeback) - Answer-PR interval becomes
progressively prolonged until a QRS is dropped
Treatment
-Atropine if absolute bradycardia is present, pacemaker on standby
Second Degree AV Block Type 2 - Answer-R-R is regular if the conduction ratio is
constant. If not, R-R will be irregular
Treatment
-Transvenous pacemaker
Complete or Third Degree AV Block - Answer-P-P regular
R-R regular
P-R intervals vary
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