A-dip of the aortic valve by M-mode echocardiography

Ioannis Stathopoulos, Themistoklis Nissirios, Robert Ostfeld, Garet Gordon, Daniel Spevack

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We present a case with the previously unreported finding of an a-dip in the M-mode tracing of the aortic valve. An a-dip is commonly seen in the M-mode tracing of the pulmonic valve motion, and represents near equalization of pulmonary artery and right ventricular end - diastolic pressures during atrial contraction. M-mode echocardiography has become an ancillary study to the basic two-dimensional examination, but can often convey important features of cardiac hemodynamics quite elegantly, as the present case demonstrates.

Original languageEnglish (US)
Pages (from-to)273-275
Number of pages3
JournalCardiology Journal
Issue number3
StatePublished - Aug 13 2009


  • A-dip
  • Aortic valve
  • Echocardiography
  • M-mode

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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