Echocardiography
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Lung ultrasound (LUS) represents a novel, noninvasive method in the assessment of extravascular lung water. We investigated the utility of LUS in ambulatory subjects with dyspnea or prior heart failure (HF). ⋯ Sonographic B-lines from LUS are related to measures of LV and LA structure and right ventricular pressure in ambulatory patients with dyspnea or prior HF. The added clinical and prognostic utility of this imaging modality in ambulatory patients warrants further investigation.