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45岁男性患者因剧烈腹痛就诊于急诊科。自述每天饮一夸脱伏特加及吸烟1-2包/天。体温38℃，血压112/92 mmHg，脉搏20 次/分，呼吸24次/分。主要表现为上腹部剧痛。依据入院Ranson评分标准，下列哪项可用于评估患者疾病严重程度？A 45-year-old man comes to the ED with severe abdominal pain． He admits to drinking a quart of vodka daily and smokes one to two packs of cigarettes daily． His temp is 38 C， BP is 112/92， with a pulse of 20/minute and RR of 24/minute． Severe epigastric tenderness is also noted． According to the Ranson criteria on admission which of the following variables can predict the severity of this patient’s illness？
A．白细胞计数WBC
B．血钙浓度Calcium
C．动脉血氧分压Arterial PO2
D．碱缺失Base deficit
E．总胆红素Total bilirubin
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上一篇：42岁女性因机动车事故就诊于急诊科。仅受到轻微外伤，病情稳定后出院。随访CT发现肝脏有一个直径约3cm肿块而再次入院治疗。CT表现为由外向内逐渐增强以及中心的低密度区。无饮酒嗜好及肝炎、肝硬化病史。肝功能检测正常。未服用避孕药，未诉有疼痛、恶心、黄疸及体重减轻。对于这位患者，有什么建议？A 42-year-old woman presents to the emergency department after a motor vehicle accident． She sustains only minor injuries and is discharged in stable condition， but is referred to your clinic for follow-up of a 3-cm mass in segment 6 of the liver found on CT scan in the emergency department． This mass was found to demonstrate progressive peripheral-to-central enhancement with a central hypodense region． She does not drink alcohol and does not have any history of hepatitis or cirrhosis． Her liver function tests are normal． She does not take oral contraceptive pills． She has no complaints at this time， including no pain， nausea， jaundice， or weight loss． What is your recommendation to this patient？
下一篇：45岁男性，患有重症胆石性胰腺炎。目前接收输液及禁食治疗。下列哪种酶由胰腺产生并以活性形式释放？A 45-year-old man has severe gallstone pancreatitis． Currently he is receiving IV fluids and is NPO． Which of the following enzymes is produced by the pancreas and secreted in its active form？
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