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If the left side of the hesrt were failing, how would this change the pressure that...

If the left side of the hesrt were failing, how would this change the pressure that the right side of the heart needed to generate to continue moving blood into the pulmonary circuit?
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Answer #1

If left heart faila then there will be pooling of blood on the left side because of decreases in stroke volume (and cardiac output) and this will increase back pressure on pulmonary circulation. As the pressure increases in pulmonary circulation. The right side of heart will have to increase its force of contraction and pressure to overcome this increased pressure within pulmonary circulation.

  • Thats why right side heart usually fails after faliure of Left side of heart.

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