II. Causes
- Usually idiopathic and benign
- Catecholamine excess
- Hypoxia
- Myocardial Ischemia
- Congestive Heart Failure
- Acid-base disturbance
- Electrolyte abnormality
III. Signs: EKG Findings
- No compensatory pause
- P Wave included in Extrasystole
- Associated with right bundle branch
- Normal narrow QRS with normal axis
IV. Precautions
- Supraventricular Premature Complexes (SVPCs) are associated with risk of Atrial Fibrillation and cardiac events