Water-Hammer Pulse Is Characterized by Which of the Following

Water-hammer pulse is characterized by which of the following?

A) A normal rhythm is normal; however, it alternates between increased amplitude and decreased amplitude.
B) A high stroke volume that results in an increased rate of ejection of blood flow from the left ventricle followed by a rapid fall in ejection
C) Rhythm that is irregular (pulse with increased amplitude is followed by a pulse with decreased amplitude) .
D) Marked decrease (10 mm Hg or more) in pulse amplitude during inspiration and increased amplitude during expiration.