Strong Medicine Notes

Question 1

Classification of antiarrhythmics

Answer 1

4 classes

1) Na channel (1a, b and c)
2) Beta receptor
3) K Channel blockade
4) Ca channel

Question 2

Cardiac Action Potential

Answer 2

Phase 0: depolarisation  Na+
Phase 1: 
Phase 2: 
Phase 3: Repolarisation K+
Phase 4: Back to action potential

Question 3

Slow action potential

Answer 3

Phase 4: gradual depolarisation