rare causes
Last reviewed 05/2021
- cardiomyopathy
- bronchial carcinoma
- atrial myxoma
- constrictive pericarditis
- endocarditis
- haemochromatosis
- sick sinus syndrome
- pneumonia
- cor pulmonale
- atrial septal defect
- digoxin
- head injury
Atrial fibrillation may occur with any condition that results in dilatation of the atria.