患者,男性,40岁。以充血性心力衰的答案
患者,男性,40岁。以充血性心力衰竭人院,医嘱给予洋地黄增强心肌收缩力,护士在观察患者脉搏时,发现在一系列正常均匀的脉搏中,出现一次提前而较弱的搏动,其后有一较正常延长的间歇,此脉搏称为
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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