Second vs Third Degree Heart Block - MEDZCOOL

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In second-degree heart blocks, there are some action potentials that fail to conduct from atria to ventricles resulting in a "dropped" QRS complex. In third-degree (complete) heart blocks, there is a complete dissociation between atria and ventricles.

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This was an elegant blend of conciseness, accuracy, and simplistic visuals. Really hit the mark here.

acent
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I’ve never regretted watching your content. Your video editing skills are absolutely superb!!! You deserve an award for being at the cutting edge of online emergency medicine education. 👍

drfranklin
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That was amazing, thanks
I spilled my coffee, 😢

al-shingali
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Thank you for the video. If the rhythm is ventricular in nature (wide qrs)-could it be either bradycardic ( ventricular junctional rhythm) or tachycardic (ventricular tachycardia, v. fibrillation)?

anonymous-user-
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I have a question. If a person has a 1st degree AV block, what is a range of time frame that it can escalated to a 2nd or 3rd. The reason I’m asking, my EKG test on June 2023 shows first sign of 1st degree AV block. 9 months later, I end up having a pacemaker put it. My PC didn’t catch it. It was caught will I was traveling thousands is miles from home. I don’t get it! No one can provide any answers. I just need to understand it because today, my 40+ year old cousin died of a heart attack. I feel like my heart just got ripped apart. 😢

alatsamy