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Journal of Diagnostic Medical Sonography
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Importance of Recording Pulmonary Venous Flow Velocities With Transthoracic or Transesophagea1 Echocartiography

Clinical Application in Various Cardicac Conditions

Alan D. Waggoner, MHS, RDMS

Cardiac Diagnostic Laboratory, Barnes-Jewish Hospital, 1 Barnes Hospital Plaza, St. Louis, MO 63110.

Chris A. Baumann, RDCS

Cardiac Diagnostic Laboratory, Barnes-Jewish Hospital, Washington University Medical Center, St. Louis, Missouri.

The recording of pulmonary venous flow velocities during Doppler ecgicardiography has not received sufficient attention. This review emphasizes the importance of recording pulmonary venous flow velocities (systolic, diastolic, and atrial reversal components) during transthoracic or transesophageal echocardiography. Clinical conditions that increase left atrial pressure, such as congestive heart failure, or that alter left atrial contraction (i.e., atrial fibrillation) result in diminished systolic pulmonary venous inflow and relatively increased diastolic pulmonary venous inflow. When moderate or severe mitral regurgitation is present or suspected by color Doppler imaging, pulmonary venous systolic flow will be blunted or exhibit systolic revetrsal. Distinctive patterns of respiratory variation in systolic and diastolic pulmonary venous velocities can be observed in patients with constrictive heart failure and elevated left ventricular end diastolic pressures but with normal mitral inflow patterns have abnormal pulmonary venous flow characteristics. Stenosis of the pulmonary may demonsterate increased pulmonary venous velocities or flow disturbances after postoperative repair. Pulmonary venous flow characteristics provide hemodynamic infomation not provided by other Doppler monalities or echocardiographic imaging.

Key Words: congenital heart disease • congestive heart failure • mitral regurgitation • pulmonary vein • pulsed Doppler

Journal of Diagnostic Medical Sonography, Vol. 13, No. 1, 3-15 (1997)
DOI: 10.1177/875647939701300102
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