CPR- Ventricular Fibrillation (VF)- Defibrillation- NSR all captured during a TEE
So what exactly happens to the heart during a VF cardiac arrest code blue?
Here is a video of a TEE being performed during resuscitation of a cardiac arrest. In this instance this was a post-op heart coming off bypass.
The TEE probe is in the esophagus, which is the top part of the image, looking down from the atrial side. The chest wall would be on the bottom. You can see a few things...
1. During CPR, or in this case, direct cardiac massage, you can see how the heart compresses starting from the RV, which is the most anterior structure, and then the septum pushing into the LV. Those compressions during CPR must be deep enough in the chest to get to the LV! It is also more than just LV compression that is involved.
2. You can see the heart in VF- pretty much as you would expect it from the erratic EKG activity we are used to seeing. Really looks like a bag of worms.
3. When defibrillation occurs, you see the sudden jolt, a brief pause, and then resumption of sinus rhythm.
Awesome Instagram post by @ekg_master CPR
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Disclaimer: This video is for educational purposes and is not intended as medical advice. While we strive for 100% accuracy, errors may occur, and medications or protocols may change over time.
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