Imbalance of potassium and calcium may cause life-threatening cardiac arrhythmias, including cardiac arrest; metabolic acidosis may exacerbate this situation.
钾和钙失衡可能造成危及生命的心律失常，包括心搏骤停；代谢性酸中毒会加重这种情况。
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ObjectiveTo study the contribution of potassium on cardiac arrest by observing the effect of different concentration of potassium on the duration of heartbeat after asphyxia.