Bradyarrhythmias + Heart Block

Question 1

What is the management of acute bradyarrhythmia?

Answer 1

If adverse features or risk of asystole:
500mcg IV Atropine
If inadequate response - can be repeated up to 3mg given
Consider transcutaneous pacing
Consider transvenous pacing

Question 2

With bradyarrhythmia, what are the risk factors for asystole?

Answer 2

Recent asystole
Mobitz type 2
Complete heart block with broad QRS
Ventricular pause >3 seconds