What is the mechanism of the fixed split second sound ?
In normal individuals on inspiration there is a widening of the split between the two components of the second sound due to a delay in closure of the pulmonary valve. In ASD the effect of respiration is eliminated due to the communication between the left and right sides of the heart.
Lexo edhe:
In normal individuals on inspiration there is a widening of the split between the two components of the second sound due to a delay in closure of the pulmonary valve. In ASD the effect of respiration is eliminated due to the communication between the left and right sides of the heart.
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Lexo edhe: