Atrial Fibrillation Causes / Differential Diagnosis Mnemonic

IRREGULAR P WAVES

Infarction: myocardial , Intoxication ETOH
Rheumatic Heart Disease
Recent Thoracotomy
Endocrine - Hyperthyroid
Geriatric
Unknown - Idiopathic
Lung Disease - COPD
Atherosclerotic Heart Disease
Reduced Oxygen - Hypoxia

Pericarditis

Worry/Stress
Atrial Septal Defect
Valvular Lesion - Mitral
Embolus - Pulmonary
Systemic Arterial Hypertension