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Obstructive Sleep Apnea Is a False‐Negative Cause of Flow Velocity Paradoxus in Pericardial Effusion: Case Report
Author(s) -
Paydak Hakan,
Nair Ravi,
Hoit Brian D.
Publication year - 2001
Publication title -
echocardiography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 62
eISSN - 1540-8175
pISSN - 0742-2822
DOI - 10.1046/j.1540-8175.2001.00685.x
Subject(s) - medicine , cardiology , pericardial effusion , obstructive sleep apnea , hemopericardium , respirometer , respiration , anatomy , cardiac tamponade
We report on a patient with obstructive sleep apnea in whom percutaneous transmyocardial revascularization was complicated by hemopericardium. Absence of phasic variation in the transmitral and transtricuspid Doppler inflow velocities during apneic episodes and marked variation during spontaneous respiration were identified with a respirometer, and helped us identify a novel false‐negative cause of flow velocity paradoxus.