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What is athlete’s heart?

All About Cardiovascular System and Disorders

During aerobic exercise which is isotonic, the heart rate and stroke volume increases. Isometric exercise or weight training on the other hand causes only slight increase in cardiac output due to increase in heart rate. Effect of exercise on right ventricle. J point elevation and early repolarization pattern has been reported.

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What is strange about this paroxysmal atrial fibrillation in an otherwise healthy patient? And what happened after giving ibutilide?

Dr. Smith's ECG Blog

IF the Patient is Younger and Athletic: The mechanism of AFib in younger, athletic individuals is often heavily influenced by increased vagal tone ( Rao and Shipon — ACC, 2019 — and — Calvo et al — Br J Sports Med, 2012 ). Vagally-mediated AFib is more likely to occur at night or after meals — and less likely to occur with exercise.