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Anticoagulation in Post-Operative AFib, Non-ST-Elevation Acute Coronary Syndromes, Arrhythmia-Induced Cardiomyopathy

American College of Cardiology

Eagle looks at anticoagulation for post-operative atrial fibrillation after isolated coronary artery bypass grafting. He then examines a meta-analysis of invasive vs. conservative management of non-ST-elevation acute coronary syndromes with previous coronary artery bypass grafting.

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Potassium Supplementation and the Prevention of Afib After Cardiac Surgery: TiGHT-K Trial

American College of Cardiology

Steven Nissen and Benjamin O’Brien discuss the TIGHT K trial results which proved that practitioners can safely cease the widespread practice of maintaining high-normal potassium levels after isolated coronary artery bypass grafting surgery.

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Of Twists and Turns

EMS 12-Lead

The QRS is wide in B — but the rhythm is irregularly irregular with no sinus P waves — so this most probably represents rapid AFib with an atypical RBBB/LPHB morphology. We now see that QRS morphology in lead II during sinus rhythm is similar to the QRS morphology in lead II during rapid AFib (beats #1-5 in lead II in A).