heart attack

Heart attack

a sudden occurrence of coronary thrombosis, typically resulting in the death of part of a heart muscle and sometimes fatal.

A heart attack occurs when one or more of your coronaryarteries become blocked. Over time, a coronary artery can narrow from the buildup of various substances, including cholesterol (atherosclerosis). This condition, known ascoronary artery disease, causes most heart attacks

Common heart attack signs and symptoms include:

• Pressure, tightness, pain, or a squeezing or aching sensation in your chest or arms that may spread to your neck, jaw or back.
• Nausea, indigestion, heartburn or abdominal pain.
• Shortness of breath.
• Cold sweat.
• Fatigue.
• Light headedness or sudden dizziness.