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- Title
Grade I diastolic dysfunction and elevated left ventricular end-diastolic pressure: Mitral Doppler inflow, pulmonary vein atrial reversal, and the M-mode mitral B-bump.
- Authors
Kerut, Edmund K.; McIlwain, Elizabeth; Nishimura, Rick A.
- Abstract
Grade I diastolic dysfunction ( DD) is generally associated with a normal mean left atrial pressure ( LAP) and normal left ventricular end-diastolic pressure ( LVEDP). The first hemodynamic alteration seen in DD, however, is the development of an elevated LVEDP with a persistent normal LAP. This is manifested by echocardiography as a continued mitral pulsed wave ( PW) E/A <0.8 (Grade I DD), but with evidence of an elevated LVEDP. Such findings include alterations in PV flow, mitral PW inflow response to Valsalva maneuver, and also the presence of a B-bump on the mitral M-mode tracing. When assessing diastolic function, it may be clinically helpful to assess for this early hemodynamic manifestation of DD.
- Subjects
DIASTOLIC blood pressure; LEFT heart ventricle; HEART ventricle diseases; ECHOCARDIOGRAPHY; HEMODYNAMICS; VALSALVA'S maneuver; DIAGNOSIS
- Publication
Echocardiography, 2017, Vol 34, Issue 9, p1371
- ISSN
0742-2822
- Publication type
Article
- DOI
10.1111/echo.13631