What happens to the valves when a heart stroke occurs ?

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Solution

During stroke, heart valves may not be able to regulate flow of blood between chambers of heart or between heart and arteries. Dysfunctional heart valves cause heart to work harder that weakens the heart muscles. This in turn affects the flow of blood to brain and results in stroke.

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Similar questions

What does the valves inside the heart do ?

Go through the following statements:

(i) The stroke volume multiplied by heart rate gives the cardiac output.

(ii) The second heart sound is associated with the closure of semilunar valves.

(iii) Heart failure is the same as cardiac arrest or a heart attack.

Which of these are correct?

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