Key result
Mitral L and L' waves indicate advanced diastolic dysfunction with elevated filling pressures.
Why the study?
The significance of an L wave and L' wave in echocardiography for assessing advanced diastolic dysfunction with elevated filling pressures was illustrated in this clinical case.
Case Report (n=1)
The identification of an L wave and L' wave on echocardiography is a useful marker for advanced diastolic dysfunction and elevated filling pressures.
Answers are grounded in this paper and cite their sources.
L wave detection may refine diastolic assessment in preserved-EF dyspnea; leaves open prognostic value and routine adoption.
62-year-old female presented with progressive dyspnea NYHA class III for six months. Echocardiography showed normal left ventricular (LV) systolic function, mild biatrial enlargement, an L wave in pulse wave Doppler at mitral inflow and in M mode echocardiography across mitral valve. Tissue Doppler imaging at medial mitral annulus showed an L' wave in mid diastole in addition to E' and A' wave. An L wave in pulse wave Doppler and M mode echocardiography represents continued pulmonary vein mid diastolic flow through the left atrium in to LV across mitral valve after early rapid filling. Presence of an L' wave in these patients associated with higher E/E' is indicative of advance diastolic dysfunction with elevated filling pressures.
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Kumar et al. (2014) conducted a case report in Progressive dyspnea NYHA class III (n=1). Echocardiography (L wave and L' wave) was evaluated on Advanced diastolic dysfunction with elevated filling pressures. Presence of an L wave in pulse wave Doppler and an L' wave in tissue Doppler imaging is indicative of advanced diastolic dysfunction with elevated filling pressures.
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