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Chest pain, shortness of breath, T wave inversion, and rising troponin in a young healthy runner.

Dr. Smith's ECG Blog

Exercise test would also have been reasonable. His symptoms of chest pain and shortness of breath were attributed to an asthma exacerbation during exercise. Read about "exercise induced cardiac troponin elevations" here. Potential Adverse Cardiovascular Effects From Excessive Endurance Exercise Exercise Is Medicine?

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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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A man in his 40s with epigastric pain and ST Elevation

Dr. Smith's ECG Blog

To the left of these tracings is schematic illustration of the Emery Phenomenon ( adapted from the 2015 post by Dr. Bojana Uzelac on Armel Carmona’s ECG Rhythms website ). Figure-1: The initial ECG in today's case ( = ECG #1 , on the BOTTOM ) — compared to the repeat ECG after the patient did squats in the room ( = ECG #2 , on the TOP ).

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