New Delhi, Aug. 4 -- Heart blockage, also known as coronary artery disease, occurs when plaque buildup narrows heart arteries, leading to symptoms like chest pain and potentially severe complications, and can range in severity from mild to critical.

A heart blockage, medically termed coronary artery disease, happens when the arteries responsible for supplying blood to the heart become constricted or obstructed. "This condition primarily results from the gradual accumulation of fatty deposits, cholesterol, and other substances, which form plaques within the artery walls. Over time, these plaques can harden or even rupture, significantly reducing blood flow to the heart muscle," says cardiologist Dr Amit Bhushan Sharma. Recognizing the sig...