Heart click

With newer, non-invasive imaging techniques, the origin of other, so-called

• The mitral valve in cases of mitral stenosis may open with an opening snap^[1][2] on the beginning of diastole.
• Patients with
  mid-systolic click along with a murmur, referred to as apical late systolic murmur.^[3] Early systolic clicks may also be present in some patients.^[4]
• pulmonary stenosis may cause an ejection click^[5]
  immediately after S₁.