Given the dangerous nature of acute hyperkalemia, it must be suspected in any patient having new bradycardia or conduction block, especially in those with renal problems.

鉴于急性高钾血症具有危险性，对于任何有新的心动过缓或传导阻滞患者，特别是有肾脏问题的患者，必须怀疑高钾血症。