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Heart Attack and Unstable Angina - Treatment Overview
When a heart attack is in progress, you need to act quickly. Prompt treatment with medicines, angioplasty combined with stenting, or surgery to restore blood flow soon after symptoms first begin can prevent permanent injury to the heart muscle and save your life.
Initial treatment
If you are having a heart attack, the goal of your health care team will be to prevent permanent heart muscle damage by restoring blood flow to your heart as quickly as possible. If you are transported to the hospital in an ambulance, you will be given oxygen therapy and probably nitroglycerin or a pain reliever, such as morphine.
Also, aspirin (which is usually chewed on the way to the hospital or in the emergency room), heparin, and antiplatelet drugs are given to prevent clots from growing. Other medicines will be given initially to decrease your heart's workload, improve its pumping function, and treat life-threatening abnormal heartbeats if they occur.
The time it takes to get to a hospital is critical because angioplasty with or without stenting to open blocked arteries or "clot-busting" thrombolytic medicines to dissolve clots are most effective if used within the first several hours after symptoms start. Thrombolytics are given through an intravenous (IV) line and travel to the coronary arteries where they break up clots.
Numerous studies have shown that percutaneous coronary intervention (angioplasty with or without stenting) saves lives.
Although angioplasty with or without stenting is usually the preferred treatment, it is not available at all hospitals. So some communities are training paramedics to identify people who have signs of heart attack so that they can be transported directly to a heart center, even if it means bypassing a closer hospital.
If you are treated at a hospital that has proper equipment and staff, you may be taken to the cardiac catheterization lab where your doctor will evaluate your coronary arteries to determine whether angioplasty or coronary artery bypass graft surgery is appropriate.
If angioplasty with or without stenting is not possible, either because of the location of the blockage or because of numerous blockages, emergency coronary artery bypass surgery may be done.
If you are having unstable angina , you most likely will be admitted to the hospital and given medicines, including aspirin, other antiplatelet medicines, and heparin. You will be closely monitored and tested. If chest pain continues after the above treatment and you are at high risk for heart attack, your doctor may decide to perform coronary catheterization and plan for possible angioplasty and stent placement to prevent a heart attack.
Ongoing treatment
After you have had a heart attack, you will stay in the hospital for at least a few days so your heart rate and rhythm, blood pressure, and medicines can be closely monitored. You will stay in the hospital because after a heart attack you are at high risk of having serious complications, such as life-threatening abnormal heart rhythms and heart failure.
WebMD Medical Reference from Healthwise
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