Pharmacology - ANTIARRHYTHMIC DRUGS (MADE EASY)

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Antiarrhythmics are drugs that are used to treat abnormal rhythms of the heart, such as atrial fibrillation, atrial flutter, ventricular tachycardia, and ventricular fibrillation. In general, antiarrhythmic drugs work by suppressing abnormal impulse formation, suppressing abnormal impulse conduction, or prolonging effective refractory periods. This pharmacology lecture covers topics such as cardiac conduction system: SA node, AV node, bundle of His, bundle branches, purkinje fibers, cardiac action potential, pacemaker cells, conducting cells, contractile cells; mechanisms of arrhythmias, bradycardia, tachycardia, abnormal automaticity, triggered activity, Wolff–Parkinson–White syndrome, atrioventricular nodal reentry tachycardia, Vaughan-Williams classification, class I (A, B, C), class II, class III, class IV antiarrhythmic drugs. Antiarrhythmics mentioned include: Procainamide, Quinidine, Disopyramide, Lidocaine, Mexiletine, Flecainide, Propafenone, Propranolol, Metoprolol, Atenolol, Esmolol, Amiodarone, Dronedarone, Sotalol, Dofetilide, Ibutilide, Verapamil, Diltiazem, Digoxin, Adenosine, and Magnesium Sulfate.

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0:00 Intro - Basics of ECG
1:55 Cardiac cell types
3:40 Pacemaker potential
5:16 Cardiac muscle cell potential
7:09 Types of arrhythmia
12:08 Class I antiarrhythmics
15:26 Class II antiarrhythmics
16:39 Class III antiarrhythmics
18:52 Class IV antiarrhythmics
19:45 Digoxin,
21:51 Adenosine
22:38 Magnesium

[SpeedPharmacology]

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[dr.rajeevguptaprof.]

I am a practicing cardiologist for last >30yrs. I still learnt from your talk. A lucid talk. Congratulations.

[smith]

I'm really glad you went over the physiology before discussing the antirrhythmic drugs, this is a perfect video for any student of medicine!

[mckennadixon]

Not only are these videos incredibly helpful, easy to understand, and invaluable to me, but I just love this guy's accent!! So soothing!

[christianrivera]

I am a student pharmacist and having this as an extra resource to vary my study strategy always helps a lot to do better on exams. Thank you so much and keep up the great work!

[dianasalazar]

This video is everything!! I understood the classes much easier than I did in my pharmacology class. It could be the way he separated the slides. But your visuals on the stages helped a lot, I'm such a visual person. Thank you

[iduenejustice]

I am short of words to express how greatful I am for your videos.The way you explain difficult concepts in a very simple way is unbelievable.Thank you so much.

[ben]

I have watched countless videos on the hearts electrical conductivity which still left me confused in certain areas but this makes it and more crystal clear! Thank you very much for posting, much appreciated.

[bothersomepyro]

that brief explanation of the ECG helped me understand the differences and descriptions of each wave. It shows how excellent of a teacher you are. Please keep it up. Thank you for helping us.

[samyamariabritocarneiro]

I'm a med student from Brazil. Thank you soooo much. Your video is my salvation for my test tomorrow

[aneesarifi]

lot of thanks and lot of love from confilicts and other tensions can not impede us to be proud of people like u live long and

[The_Muffin]

The graphs make everything so much easier to understand!

[rajaveln]

Thank you sooo sooo much. i am a type of guy who hate to read books and love to listen. You are a perfect teacher for everyone your lecture is crystal clear pls do more videos related pharm D

[ahmedaliisak]

You are helping 2 semester's in my exam and I watch as to remember thank you very much

[andrea]

This is the best channel ever! Pharmacology used to be such a difficult subject but your videos make it so much easier to understand.

[whodoesntlovefood]

THANK YOU SO MUCH FOR MAKING THESE VIDEOS AND SIMPLIFYING ALL THESE DRUG CLASSES IN A CLEAR AND CONCISE WAY

[docchethanr]

Came for drugs end up enjoying physiology
Thank you doctor!💥

[PlatinumCRV]

You have explained anti-arrythmics better than any professor in medicine school and than any other tutor in YT. Thank you, I finally understand Anti-Arrythmics

[navmikamat]

Superb video tysm I have my exam tmr & u saved my precious precious time from reading old books by including the basics in the video. Tysm again.
Just don't ever ever delete such good videos

[maytube]

This is apt and high yield. God bless you, doctor.