This pulmonary congestion and shortness of breath decreases when a person sits up.

这种肺淤血和气短在患者端坐时有所缓解。

This happens because there's increased pulmonary congestion while lying down, and in left-sided ventricular heart failure, the pulmonary circulation is already overloaded.

这是因为躺下时肺淤血增多，而左心衰时，肺循环已经超负荷。

In pulmonary congestion, a wiry and large pulse indicates favourable prognosis; but a deep, small and thready pulse is a sign of slow recovery.

在肺瘀血时，脉象弦大提示预后良好；但脉象沉、小、细提示恢复较慢。