Potassium Channel Blockers Basics - Class III Anti-arrhythmic Drugs | Clinical Medicine

In this podcast we will discuss Class III anti-arrhythmic drugs, the potassium channel blockers. We will begin by discussing what these medications are and how they work as related to the cardiac action potential. We will then dive deeper into their prolongation of the QT interval as related to their prevention of re-entrant tachydysrrhythmias. Lastly, we will go through each of the potassium channel blockers, which arrhythmias they treat, and details about their mechanisms, adverse effects, and more. 

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Youtube Video:

https://www.youtube.com/watch?v=S3Al40NuDnY