An echocardiogram uses sound waves to produce images of your heart. This common test allows your doctor to see your heart beating and pumping blood. - Mayo Clinic
An echocardiogram uses sound waves to produce images of your heart. This common test allows your doctor to see your heart beating and pumping blood. - Mayo Clinic
You have two chambers on the left side of your heart: your left atrium and your left ventricle. Your mitral valve, which is located between the two, is designed to allow blood to flow into the left ventricle but blocked from flowing back into the left atrium.
A stress test, also called an exercise stress test, shows how your heart works during physical activity. Because exercise makes your heart pump harder and faster, an exercise stress test can reveal problems with blood flow within your heart.
Atrial fibrillation (A-fib) is an irregular and often very rapid heart rhythm (arrhythmia) that can lead to blood clots in the heart. A-fib increases the risk of stroke, heart failure and other heart-related complications.
A heart attack occurs when the flow of blood to the heart is blocked. The blockage is most often a buildup of fat, cholesterol and other substances, which form a plaque in the arteries that feed the heart (coronary arteries).
Sometimes, a plaque can rupture and form a clot that blocks blood flow. The interrupted blood flow can damage or destroy part of the heart muscle.
A heart attack, also called a myocardial infarction, can be fatal, but treatment has improved dramatically over the years. It’s crucial to call 911 or emergency medical help if you think you might be having a heart attack.
Common heart attack signs and symptoms include:
Not all people who have heart attacks have the same symptoms or have the same severity of symptoms. Some people have mild pain; others have more severe pain. Some people have no symptoms. For others, the first sign may be sudden cardiac arrest. However, the more signs and symptoms you have, the greater the chance you’re having a heart attack.
Some heart attacks strike suddenly, but many people have warning signs and symptoms hours, days or weeks in advance. The earliest warning might be recurrent chest pain or pressure (angina) that’s triggered by activity and relieved by rest. Angina is caused by a temporary decrease in blood flow to the heart.
Act immediately. Some people wait too long because they don’t recognize the important signs and symptoms. Take these steps:
If you see someone who’s unconscious and you believe is having a heart attack, first call for emergency medical help. Then check if the person is breathing and has a pulse. If the person isn’t breathing or you don’t find a pulse, only then should you begin CPR.
Push hard and fast on the person’s chest in a fairly rapid rhythm — about 100 to 120 compressions a minute.
If you haven’t been trained in CPR, doctors recommend performing only chest compressions. If you have been trained in CPR, you can go on to opening the airway and rescue breathing.
Source: https://www.mayoclinic.org/diseases-conditions/heart-attack/symptoms-causes/syc-20373106
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