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Jesse Morse, MD @DrJesseMorse Damar Hamlin Suffered a cardiac arrest likely due to #commotiocordis. Some important things to note: 1. Commotio cordis occurs when an object, usually a baseball, hits the chest well. 2. This has to happen at an exact spot in the cardiac cycle (T wave). (1/) External variables Impact object Circular shape Greater hardness Smaller diameter Velocity • Peak 40 mph Orientation • Direct Chest wall variables • Greater compliance • Thinner Location directly over heart Focal ventricular depolarization (20 ms window) 11:21 AM Jan 3, 2023 Time Rapid increase in intracavitary pressure Amplified dispersion of repolarization Activation of KATP lon channel • Increase K+ current across cell membrane VF . ? involvement of other ion channels www Cell membrane stretch навивантними Upstroke of T wave Moment of impact KATP channel : ... AAAU

Commotio Cordis


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Origin Entry: Damar Hamlin Cardiac Arrest

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Skip Bayless @RealSkipBayless ... Nothing is more important than that young man's health. That was the point of my last tweet. I'm sorry if that was misunderstood but his health is all that matters. Again, everything else is irrelevant. I prayed for him & will continue to. 10:22 PM Jan 2, 2023
Skip Bayless @RealSkipBayless ... : 9:30 PM Jan 2, 2023 No doubt the NFL is considering postponing the rest of this game - but how? This late in the season, a game of this magnitude is crucial to the regular-season outcome... which suddenly seems so irrelevant.
Chris Haddock @drdawg1996 As a physician I believe Damar Hamlin was likely suffering from commotio cordis where a blow to the chest at a precise moment in the electrical cycle stops the heart. Those trying to tie this to vaccine status to project their unscientific beliefs are terrible, horrible people. Source of Blow Hockey puck Lacrosse ball Baseball O Fist or elbow whi Primary determinants and triggers Precordial impact site Timed during upstroke of T wave Contributing variables Greater hardness of projectile Smaller sphere Direct orientation Thinner, more compliant chest wall HUUTO 20-msec window 6 mam السيلد Upstroke of Twave Left lung. VF Rib Chest wall Rapid increase in intracavitary pressure wwwwww : Heart wall
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Uploaded Jan 03, 2023 at 12:19PM EST

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Damar Hamlin Cardiac Arrest

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commotio cordis, doctor, sports

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