Doppler echocardiographic evaluation of latent pulmonary hypertension by passive leg raising.


BACKGROUND The prevalence of chronic lung disease increases with advancing age. The purpose of this study was to detect latent pulmonary hypertension noninvasively in elderly patients with chronic lung disease. METHODS The changes of flow-velocity by passive leg raising were assessed using pulsed Doppler echocardiography in the right ventricular outflow… (More)


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