Chronic coronary syndromes

Question 1

Myocardial ischemia occurs when there is an imbalance between the heart’s oxygen demand and supply, usually from an increase in demand (eg exercise) accompanied by limitation of supply:

Answer 1

1. Impairment of blood flow by proximal arterial stenosis
2. Increased distal resistance eg left ventricular hypertrophy
3. Reduced oxygen-carrying capacity of blood eg anemia