HEART ATTACK
* A heart attack occurs when the blood supply and oxygen to an area of heart muscle is blocked, often by a clot in a coronary artery. This blockage leads to arrhythmias that causes decrease in the pumping function of the heart and may bring sudden death. A heart attack is an emergency case. A heart attack can occur any time at work or play. Some heart attack strike suddenly, but many people who experience a heart attack have warning signs and symptoms hours, or days in advance.
* Warning signs and symptoms of a heart attack include:
– Pressure, squeezing pain in the center of chest
– Pain extending chest to shoulder , arm, back, or jaw.
– Prolong pain in the upper abdomen.
– Shortness of breath.
– Sweating.
– Lightheadedness
– Nausea and Vomiting.
* Acute myocardial infraction known as a heart attack. This is a disease state that occurs when the blood supply to a part of the heart is interrupted. At autopsy, under the microscope, myocardial infraction presents as a circumscribed area of ischemic, coagulative necrosis (cell death)
There are things which increase the risk of heart attack:
– older age
– male gender
– cigarette smoking
– hypercholesterolemia
– diabetes
– high blood pressure
– obesity
* A heart attack is a life threatening event, so everyone should know the warning signs of heart attack and how to get emergency help. Many people suffer permanent damage to their hearts or die because they do not get help immediately.
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