Biphasic pulmonary regurgitation.
A patient with first-degree atrioventricular (AV) block and pulmonary regurgitation underwent a transthoracic echocardiogram. Continuous wave Doppler interrogation of the pulmonic valve displayed a biphasic regurgitation pattern. A discussion of the potential mechanism underlying this pattern is presented.
Moukarbel
George V
GV
Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
Shah
Amil M
AM
Tinnemore
Amanda
A
Mora
Samia
S
D000369:Aged, 80 and over; D054537:Atrioventricular Block / Q000150:complications* / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011665:Pulmonary Valve Insufficiency / Q000150:complications* / Q000000981:diagnostic imaging*; D014463:Ultrasonography