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交替脉是左心衰竭的有价值的体征,有时可为左心衰竭的第一个临床表现。交替脉是指脉搏一强一弱规律地交替发生,强脉与弱脉之间的间隔较弱脉与下一次强脉之间的间隔稍长,这是由于弱的一次脉搏传至挠动
Alternating pulse is a valuable sign of left heart failure, and may sometimes be the first clinical manifestation of left heart failure. Alternating pulse refers to the pulse of a strong and weak alternately occurring regularly, weak pulse and weak pulse interval between the weak pulse and the next pulse interval slightly longer, which is due to weak pulse transmission to the flexible