Objective: To study the effect of lyophilized recombinant human brain natriuretic peptide (Lrh-BNP) on treating acute severe left heart failure.

目的：观察新活素治疗重症急性左心衰的疗效。

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Objective To observe noninvasive bi-level positive pressure ventilation for the treatment of chronic obstructive pulmonary disease (COPD) with acute left heart failure.

目的观察无创双水平气道正压通气治疗慢性阻塞性肺疾病(COPD)合并急性左心衰竭的疗效。

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Objective To observe noninvasive bi-level positive pressure ventilation for the treatment of pulmonary tuberculosis and severe acute left heart failure.

目的观察无创双水平气道正压通气治疗肺结核合并重度急性左心衰竭疗效。

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