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.
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http://dx.doi.org/10.1111/j.1540-8175.2008.00877.x | DOI Listing |
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