Bradycardia

Tachycardia

Peri-arrest Rhythms

WPW

Anti-arrhythmic Drugs

Long QT

AF

Heart Block

Torsades de pointes

Investigating Palpitations

The following ECG changes are considered normal variants in an athlete:

• sinus bradycardia
• junctional rhythm
• first degree heart block
• Mobitz type 1 (Wenckebach phenomenon)