Class I Anti-Arrhythmic Drugs (Subclasses A, B, and C) - The Sodium Channel Blockers [Explained]

In this video we will discuss Class I Anti-Arrhythmic Drugs. We will start by discussing their sodium channel blockade mechanism as related to the cardiac action potential. We will also go into their variable effect on the potassium channels and how that changes the refractory period. We will relate their mechanism to how the cardiac action potential phases change and will draw out the new shape of these action potentials. We will then dive into indications and dysrhythmias. Lastly, we will discuss each subclass, the drugs included in each subclass, and again the changes within each subclass in the cardiac action potential. This is the second video of a five video series on anti-arrhythmic drugs!

5 VIDEO SERIES OF ANTI-ARRHYTHMIC MEDICATIONS:
Anti-Arrhythmic Medications And Classification: Anti-Arrhythmics And The Cardiac Action Potential
   • Anti-Arrhythmic Medications And Class...  
Class I Anti-Arrhythmic Drugs (Including Subclasses A, B, and C) Explained
   • Class I Anti-Arrhythmic Drugs (Subcla...  
Class II Anti-Arrhythmic Drugs Explained: The Beta Blockers
   • Class II Anti-Arrhythmic - The Beta B...  
Class III Anti-Arrhythmic Drugs Explained: Potassium Channel Blockers And Cardiac Action Potential
   • Class III Anti-Arrhythmic Drugs Expla...  
Class IV Anti-Arrhythmic Drugs Explained: The Calcium Channel Blockers
   • Class IV Anti-Arrhythmic Drugs Explai...  

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DISCLAIMER THIS VIDEO DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#arrhythmia #electrocardiogram #betablockers #cardiology #medicaleducation #pharmacology