低血钾的产生主要由于交感-儿茶酚胺系统紧张性增高所致。
The hypopotassemia may be mainly caused by in-creased tone in sympathetic-catecholamine system.
方法：以金纤维制成浮动式电极，采用微电极恒压安培法记录在体兔心脏表面交感神经末梢儿茶酚胺分泌。
Methods:Evoked release of catecholamine from cardiac sympathetic nerve in rabbit heart in vivo was recorded by electrochemical amperometry using gold fiber micro-electrodes.
除心肌缺血外，再灌注也可诱发心交感神经儿茶酚胺的分泌，可能在心肌缺血-再灌注损伤中起到重要作用。
Reperfusion, besides myocardial ischemia, also can induce catecholamine release from cardiac sympathetic nerve. The catecholamine release might play an important role in myocardial injury.
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