A 49-year-old Indian man, who suffered a heart attack while working on a ship off the coast of Ba Ria - Vung Tau, survived thanks to timely intervention after being brought ashore.
I have had high blood pressure for many years and take medication regularly. Recently, I've experienced chest tightness and shortness of breath when climbing stairs, which subsides with rest. Is this a sign of coronary artery disease? (Nguyen Van Tien, 57, Quang Ninh)