Flashcards in Electrophysiology Deck (131)
What are the causes of undersensing of a pacemaker?
1. Insensitive lead
2. Lead displacement
3. Insulation failure
4. Lead fracture
What are the general sensing cut offs for the p and r waves?
What proportion of patients with unpaced sick sinus syndrome will develop systemic thromboembolism?
What is the benefit of atrial based pacing (AAI or DDD) compared to VVI alone?
Reduction in stroke and AF
What are the causes of compromising bradycardia?
What is a normal HV interval?
What are the long RP interval SVT?
What are the short RP interval SVT?
AVRT delta pathway
What is a normal SNRT?
What is the formula for CSNRT?