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After extraction, how long can the heart survive outside the body before being transplanted?

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in Clinical Science by (102k points)
After extraction, how long can the heart survive outside the body before being transplanted?

(a) 2 hours

(b) 4 hours

(c) 6 hours

(d) 8 hours

The question was asked in exam.

Origin of the question is Artificial Organs topic in section Rehabilitation and Recovery of Clinical Science

1 Answer

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Best answer
Correct answer is (b) 4 hours

Explanation: After the heart has been removed from the body, it can be kept alive for 4 hours. It is placed in a cool box where the temperatures are monitored to keep the heart alive. A miniature heart lung setup is also used where the blood is made to circulate in the heart and it is kept alive. When this heart reaches the site of transplant, the doctors assess if the heart is still healthy and fit enough to be transplanted. After this, the transplantation takes place.

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