Raj, who complains of chest pain, is admitted to a hospital. The diagnosis reveals that his blood vessels have narrowed and the flow of oxygen and nourishment to his heart is partially obstructed. He is most likely suffering from:

coronary artery disease

Explanation:

Coronary artery disease is a medical condition that arises when cholesterol and fat deposit build up overtime in the arteries that supply blood to the heart. This leads to the clogging of the coronary arteries. When the coronary arteries become blocked, the arteries narrow thereby limiting the flow of blood which carries oxygen and nutrient to the heart.

Raj. is most likely suffering from coronary artery disease.