ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Damaged heart muscle cannot pump blood effectively
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Internal bleeding
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Exchange of oxygen and carbon dioxide is inhibited
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Swollen veins lose elasticity and decreases blood flow to organs
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Detailed explanation-1: -This happens when the heart’s lower chambers suddenly start beating chaotically and don’t pump blood. A heart attack can cause ventricular fibrillation, which in turn can cause sudden cardiac arrest. Death can occur within minutes after the heart stops.
Detailed explanation-2: -Heart failure occurs when the heart muscle doesn’t pump blood as well as it should. Blood often backs up and causes fluid to build up in the lungs and in the legs. The fluid buildup can cause shortness of breath and swelling of the legs and feet. Poor blood flow may cause the skin to appear blue or gray.
Detailed explanation-3: -During a heart attack, a lack of blood flow causes the tissue in the heart muscle to die. A heart attack occurs when the flow of blood to the heart is severely reduced or blocked. The blockage is usually due to a buildup of fat, cholesterol and other substances in the heart (coronary) arteries.
Detailed explanation-4: -During a heart attack, the heart usually doesn’t suddenly stop beating. With an SCA, the heart stops beating. Sometimes an SCA can happen after or during recovery from a heart attack.