‘a’ wave in JVP Indicates
Correct Answer: Right atrial contraction
Description: (a) Right atrial contractionRef: Harrison, 18th ed.,pg. 1823, fig. 227-1Graph of height of JVP with timeThe upward deflections are the"a" atrial contraction"c" ventricular contraction and resulting bulging of tricuspid into the right atrium during isovolumetric systole)"v" = venous fillingThe downward deflections of the wave are the"x" the atrium relaxes, and the tricuspid valve moves downwardthe "y" descent filling of ventricle after tricuspid opening.
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