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When a patient has heart disease, what causes one person to develop pulmonary edema alone while...

When a patient has heart disease, what causes one person to develop pulmonary edema alone while another person may have peripheral edema alone, while yet another individual may have both pulmonary and peripheral edema.

Science   Anatomy-And-Physiology   
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Answer #1

The function of heart is to pump blood, when the heart fail to pump blood then heart failure occurs.

Which leads to conditions like edema ( accumulation of fluid)

In some persons the accumulation of fluid occurs normally due to heart failure which leads to peripheral edema (fluid accumulation in lower limbs)

In some cases fluid accumulates more rapidly due to the back flow of blood in veins due to the failure of the heart which causes pulmonary edema (accumulation of fluid in alveoli of lungs)

Some persons show both peripheral edema and pulmonary edema in the case of heart failure.

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