血钾7.3mmol/L，心电图提示QB. S波增宽。最佳的治疗措施是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29193' and id < 2375405 and id<>'2375405' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29193' and id > 2375405 and id<>'2375405' order by id asc limit 5