Pacing/ ICD/ CRT Indications

Question 1

When is pacing indicated for acute myocardial infaction?

Answer 1

IC AVB doesn’t resolve in at least 5 days After MI

Question 2

RCA supplies _% of SA node, _ % of His and AV node

Answer 2

60% of SA; 90% of His and AVN (ESC 2021)

Question 3

Conditions favouring consideration of earlier pacemaker
implantation

Answer 3

1. unsuccessful or late revascularization
2. anterior MI
3. bifascicular block or AV block before MI
4. progression of AV block within the first days after MI