Vaughan Williams classification of antiarrhythmics

image.png

Boards and Beyond video:

https://youtu.be/4TT1ZyYKRXQ

https://youtu.be/4TT1ZyYKRXQ

Avoid flecainide in patients with structural heart diseases

Beta-blockers

Nevivolol is a unique beta blocker; (beta-1 sepcific) that increases nitric oxide and thus does not cause erectile dysfunction as other beta-blockers.

Cardio-selective beta-blockers include:

Metoprolol, atenolol, Esmolol IV,


Amiodarone

very long half-life (>50 days)

Most severe side effects are related to the lungs and present as cough, fever, or painful breathing