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An ST-elevation myocardial infarction (STEMI) is a type of heart attack that is more serious and has a greater risk of serious complications and death. It gets its name from how it mainly affects the heart’s lower chambers and changes how electrical current travels through them.
A non-ST-elevation myocardial infarction (NSTEMI) is a type of heart attack that usually happens when your heart’s need for oxygen can’t be met. This condition gets its name because it doesn’t have an easily identifiable electrical pattern (ST elevation) like the other main types of heart attacks.
Myocardial ischemia (or cardiac ischemia) means your heart muscle is not getting enough blood (which contains oxygen and nutrients) to work as it should. If this lack of blood from your coronary arteries is severe or goes on for more than a few minutes, it can damage your heart muscle.
Recovery from a heart attack (myocardial infarction) can take anywhere from two weeks to three months. When you’re fully recovered, you’ll be able to return to work and your normal routine. How long your recovery takes depends on many factors, including: The severity of your heart attack.
Heart rupture is a heart attack complication in which your heart’s walls, muscles or valves come apart. It can occur during a heart attack or the first month after a heart attack. Most of the time, it happens in the first five to 10 days after a heart attack.
Increases in cardiac enzymes can indicate acute coronary syndrome (ACS), myocardial ischemia or the presence of injury to the heart muscle. Treatments for these conditions vary. An accurate diagnosis is critical to ensuring that you receive the appropriate care.
But it’s still a heart attack (myocardial infarction), which means your heart isn’t getting enough blood flow and oxygen. This injures your heart. Silent heart attacks can injure your heart just like a more obvious heart attack can.
CPR keeps enough oxygen in your lungs and gets it to your brain until an electric shock restores a normal heart rhythm. CPR and defibrillators may save your life. Call 911 (or your local emergency services number) if you see someone drop to the ground and you suspect sudden cardiac arrest.
Troponin Test. A troponin test looks for certain types of the protein troponin, in your bloodstream. Those types of troponin only occur in heart muscle cells and only enter your blood because of heart muscle damage. That makes troponin invaluable in diagnosing heart attacks and other heart-related problems.
A coronary artery spasm is a tightening (contraction) of your heart’s arteries (coronary arteries). These spasms don’t usually last long, and you may not even notice them. But they can increase your risk of heart attack and other heart complications.