Week 3: Telemetry Questions & Answers

Week 3: Telemetry Questions & Answers
SVT Correct Ans--Over 150 bpm

-Regular rhythm

-No P waves or PR interval

-Normal QRS



Management of SVT Correct Ans--Stable: adenosine, vagal maneuver (bear down)

-Unstable: synchronized cardioversion, beta-blockers, diltiazem



Premature Ventricular Complexes (PVCs) Correct Ans--Regular rhythm

-P waves may be absent

-PR interval under 0.12 sec (abnormal)

-QRS: over 0.12 sec, wide, bizarre



Bigemy PVC Correct Ans-every other complex is premature




Couplet PVC Correct Ans-2 consecutive PVCs




PVC Run Correct Ans-3 or more consecutive PVCs (V tach)




Multifocal PVCs Correct Ans-PVCs that differ in size, shape, and direction

, R-on-T PVCs Correct Ans--PVC on or near a T wave

-Can cause v tach or v fib



Causes of PVCs Correct Ans-stimulants, cardiac ischemia/infarction, exercise, electrolyte
imbalances, etc



Junctional rhythm Correct Ans--SA isn't working

-40-60 bpm

-Inverted P waves, may be before, during, or after QRS

-PR interval (if visible) less than 0.12 sec

-QRS normal



causes of junctional rhythm Correct Ans-acute coronary syndrome, valve disease, hypoxia,
meds



Management of junctional rhythm Correct Ans--Treat underlying cause

-If symptomatic, treat like bradycardia (atropine, pacing)



What are the life-threatening arrhythmias? Correct Ans-Ventricular tachycardia, ventricular
fibrillation, asystole



Ventricular Tachycardia Correct Ans--3 or more consecutive PVCs