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众所周知,在生理条件下,肾上腺素对心脏的各种机能皆有兴奋作用.当向机体内注射一定量肾上腺素时,它可引起某些病理现象,如心律不齐,心肌梗塞,冠状动脉供血不足等.在病理情况下,肾上腺素在心脏聚积时,也可出现类似的现象.肾上腺素在正常或病理情况下的不同作用是由于肾上腺素的作用浓度不同所致.业已证实,肾上腺素对心脏收缩节律的影响直接取决于剂量.这可用不同剂量的肾
It is well known that under physiological conditions, epinephrine has an exciting effect on various functions of the heart.When a certain amount of epinephrine is injected into the body, it can cause certain pathological phenomena such as arrhythmia, myocardial infarction, coronary blood supply Insufficient, etc. In the case of pathology, epinephrine may also appear in the accumulation of the heart, the phenomenon may also occur.Adrenaline in normal or pathological circumstances the different role is due to the different concentrations of epinephrine.It has been confirmed that adrenergic pairs The effect of systolic heart rhythms depends directly on the dose, which can be different doses of kidney