Causes of angina

Impaired myocardial oxygen supply
• Coronary artery disease
• atherosclerosis
• arteritis in connective tissue disorders
• diabetes mellitus
• Coronary artery spasm
• Congenital coronary artery disease
• arteriovenous fistula
• anomalous origin from pulmonary artery
• Severe anaemia

Increased myocardial oxygen demand
• Left ventricular hypertrophy
• hypertension
• aortic valve disease
• hypertrophic cardiomyopathy
• Tachyarrhythmias