In fact, up to 60% of athletes demonstrate ECG changes (in isolation or in combination) such as sinus bradycardia, sinus arrhythmia, first-degree atrioventricular (AV) block, early repolarisation, ...

The ECG machine then records the heart's electrical ... of a diseased heart or dangerous arrhythmias like heart block: Sinus ...

Before diving into this ECG app, it’s essential to ensure that your iPhone is updated to the latest operating system. Sinus rhythm: Your heart is beating in a uniform pattern. Atrial ...

Results 94% of rowers had one or more training-related ECG patterns including sinus bradycardia (51%), sinus arrhythmia (55%), and incomplete right bundle branch block (42%). Males were more likely ...