<prompt> Ejection click is heard in:Early systoleLate systoleEarly diastoleLate diastole  <response>: The ejection sound is a sharp, high-pitched event occurring in early systole and closely following the first hea sound. Ejection sounds occur in the presence of semilunar valve stenosis and in conditions associated with dilation of the aoa or pulmonary aery. Ref: Harrisons principle of internal medicine 17th edition, chapter 220. 