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首页> 外文期刊>Case Reports in Veterinary Medicine >Anesthetic Overdose Leading to Cardiac Arrest Diagnosed by End-Tidal Inhalant Concentration Analysis in a Dog
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Anesthetic Overdose Leading to Cardiac Arrest Diagnosed by End-Tidal Inhalant Concentration Analysis in a Dog

机译：麻醉过量导致心脏骤停，可通过狗的潮气吸入浓度分析诊断。

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A 5-year-old male-castrated Cocker Spaniel presented to the Veterinary Teaching Hospital of the University of Georgia for a total ear canal ablation. Premedication was with carprofen 2.2 mg/kg SQ, hydromorphone 0.1 mg/kg IM, diazepam 0.2 mg/kg IM, and glycopyrrolate 0.01 mg/kg IM. The patient was induced with lidocaine 2 mg/kg IV and etomidate 1 mg/kg IV and maintained with sevoflurane and a constant rate infusion consisting of lidocaine 0.05 mg/kg/min. Before surgery start, the patient’s systolic arterial blood pressure was 110 mmHg, heart rate (HR) was 85 beats/min, respiratory rate was 8 breaths/min, end-tidal sevoflurane concentration was 3.2%, and end-tidal CO2(ETCO2) was 23 mmHg. As a scrub was being performed, the patient’s HR abruptly dropped to 20 beats/min over the course of 2 minutes. His ETCO2simultaneously decreased to 16 mmHg. At this time, cardiopulmonary arrest was diagnosed. After two minutes of resuscitation, a spontaneous heart beat was obtained and the patient was successfully recovered and discharged without further incident. The cardiac arrest in this case is most likely attributable to an overdose of inhalant anesthesia, which was diagnosed by an anesthetic inhalant concentration monitor. A gas analyzer may be a helpful contribution to the small animal practitioner, particularly those performing more lengthy or complex procedures.
机译：一名5岁的雄性可卡犬被提交佐治亚大学兽医教学医院进行全耳道消融术。预先用卡洛芬2.2μmg/ kg SQ，氢吗啡酮0.1μmg/ kg IM，地西epa0.2μmg/ kg IM和格隆溴铵0.01μmg/ kg IM进行预防。静脉注射利多卡因2μmg/ kg和依托咪酯1μmg/ kg诱导患者，并以七氟醚维持恒速输注，剂量由利多卡因0.05μmg/ kg / min组成。手术开始前，患者的收缩动脉血压为110 mmHg，心率（HR）为85次/分钟，呼吸率为8次/分钟，潮气末七氟醚浓度为3.2％，潮气末二氧化碳（ETCO2）是23毫米汞柱。进行擦洗时，患者的HR在2分钟内突然降至20次/分钟。同时，他的ETCO2降至16µmmHg。这时，被诊断出心肺骤停。进行两分钟的复苏后，患者获得了自发性心跳，并且该患者成功康复并出院，无其他事件。在这种情况下，心脏骤停很可能归因于吸入麻醉药过量，这是通过麻醉吸入浓度监测仪诊断出来的。气体分析仪可能对小型动物从业者有帮助，特别是那些执行较长时间或复杂程序的动物。

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