Antiarrhythmics (Part 1) - ICU Drips

In this next lesson in our collection of lessons on ICU drips, we take a look at a very diverse group of medications called the anti-arrhythmic medications. These medications have the purpose of correcting abnormal rhythms in our patients and do so in many different ways.

In order to better understand how these medications do what they do, we take some time to review some foundational information to lay the ground work for the next lesson where we start to take a look at the drugs in this category. We start off with a quick review of the electrical conduction system of the heart, as well as how this relates to cardiac myocytes and what actually happens with them when they receive a signal from this conduction system.

From there we move on to take a look at the main driving force of our rhythms and contractions, the action potential. We show the difference between the 2 action potentials that play a role in all of this. First we talk about the pacemaker action potential and explain what is happening at each part and how this ultimately leads to the automaticity we see in these nodal cells. Next we talk about the very different myocyte action potential. We again cover what is happening at each point with this action potential but also point out the defining characteristic that we see, the plateau phase, and ultimately how this plays a vital role in our effective contraction.

Finally we do a quick introduction to the 5 different classes of anti-arrhythmic medications in preparation for the 2nd lesson on anti-arrhythmics in which we take a deep dive in to these classes.

Hopefully at the end of this lesson you will have a solid understanding of this foundational information and how this stuff plays an important role in the functioning of our heart. This information and understanding will be valuable in the next lesson.

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#ICUDrips #Anti-Arrhythmic #ICUAdvantage

[ICUAdvantage]

Thank you guys so much for watching! Please leave us a like if you enjoyed the video. We truly do appreciate it! Also we love hearing your comments so feel free to tell us what you think of this video, or even just to say hi! :)




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[williamsmeal]

I am a 65 yo board certified cardiologist. I participate in CME regularly. The lectures on vasopressors and inotropes were the most practical and helpful to me that I have heard.

[lizymaurice]

Awesome lessons Mr. Eddie. No books or teachers teach the way you do. Your efforts are highly appreciated. Thanks a lot...

[corpsman]

Can't wait for the full complete ICU drips lesson.

[lucydiaz]

I just came upon you. Ur voice is reassuring n makes it easier to picture. Thank you.

[meumentorgringo]

Great review of electrolyte impact on action potential. So often people forget about the impact and importance of calcium in myocardial function. Sending this one to my daughter that is studying biology so that she can see the relativity to what she is currently studying. Thx.

[marissafoster]

I am so glad I found this channel, your videos are incredibly helpful and to the point. Love it.

[jeanstock]

I just had eye surgery so listening to you 🙂❤

[real]

Hi kindly add extra edge points directly towards pt management.

[reykwonbur]

Thank you for uploading lesson. I have watched your lessons everyday for last few weeks. Please put more videos about ICU.

[tonyli]

Thank you so much, very helpful. Again excellent content, straightforward and concise.

[watsonryan]

great video! lets keep those likes and comments going for the algorithm!!!

[DemoDan]

I love your videos Eddie! I often recommend them to others.

[annnguyen]

Could you please do videos on electrolyte imbalances and how to replacr them? I really appreciate it.

[zenith]

Excellent presentation! Love listening at this!

[XGibbleX]

How long after an Amio drip is stopped and you begin to “bridge” with po Amiodarone can a patient still stay in ICU? Given their VS are acceptable. Would you keep them in the icu for a shift after you’re “bridging” just to monitor or would they be able to be downgraded immediately?

[kellyfrances]

Thank you so much for this excellent explanation! Question: do the potassium channels close just before phase 4?

[SamElayan]

I loved the breakdown of this, but disappointed by the title vs content. I clicked based on the title and that was only covered in the last couple of minutes.