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仰卧时静脉回流量增加是夜间心绞痛发作的主要机理之一,使用洋地黄和利尿剂治疗夜间心绞痛就是基于这一原理。作者采用把病床放置于倒转10°的Trendelenburg床位(头高脚低位)减少静脉回流,以验证这一理论。
An increase in venous return during supine is one of the major mechanisms of nocturnal angina attacks. The use of digitalis and diuretics to treat nocturnal angina is based on this principle. The authors validated this theory by placing the bed in a Trendelenburg bed (head high and low in the foot) inverted 10 ° to reduce venous return.