内容正文:
专题9 消化系统疾病
山东省春季高考 护理类 《内科护理》
考纲讲练测
编写说明:本专辑为山东省(春季高考)护理类《内科护理考纲讲练测》,严格依据山东省普通高校对口考试大纲(专业课)护理类考试范围及要求编写,精准对标考纲,兼顾考点覆盖与实战应用。每套讲练测提供讲义、课件、练习三大配套教学文件,贯穿九大核心环节:考点解读、思维导图、知识梳理、背诵环节、常考题、高考真题、课堂练习、课堂小结及课后测验,形成“讲-练-测-评”闭环式教学与复习逻辑,助力考生夯实基础、突破重难点。
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考点解读
1.掌握急性胰腺炎、上消化道出血病人的护理评估、护理措施。
2.理解急性胰腺炎、上消化道出血病人的护理诊断/问题。
3.了解急性胰腺炎、上消化道出血病人的护理目标、护理评价。
思维导图
思维导图
思维导图
思维导图
思维导图
思维导图
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知识梳理
急性胰腺炎的症状、体征、并发症
症状:(1)腹痛:为本病的主要表现和首发症状。
(2)恶心、呕吐与腹胀:呕吐物为食物和胆汁,呕吐后腹痛不减轻。
(3)发热:多有中度发热,一般持续3~5日。
(4)低血压或休克:常见于重症急性胰腺炎。
(5)水、电解质及酸碱平衡紊乱:多有轻重不等的脱水,呕吐频繁者可有代谢性碱中毒。
体征:重症急性胰腺炎常呈急性病容、脉搏增快、呼吸急促及血压下降;上腹或全腹压痛明显,有肌紧张和反跳痛。
并发症:主要见于重症急性胰腺炎。
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知识梳理
急性胰腺炎的辅助检查
(1)白细胞计数
(2)血、尿淀粉酶测定
(3)血清脂肪酶
(4)C反应蛋白
(5)生化检查
(6)影像学检查
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知识梳理
急性胰腺炎的治疗要点
(1)轻症急性胰腺炎①减少胰腺外分泌:采用禁食、胃肠减压和药物治疗。②静脉输液:补充血容量,维持水、电解质和酸碱平衡。③减轻疼痛:疼痛剧烈者可用哌替啶。④预防和抗感染:可采取导泻法(如口服硫酸镁或芒硝)清洁肠道、口服抗生素(如左氧氟沙星与甲硝唑联合应用)等。
(2)重症急性胰腺炎除上述治疗外,还应:①纠正休克和水、电解质平衡紊乱。②营养支持。③抗感染治疗,常规使用抗生素。④减少胰腺分泌,常用药物有生长抑素及其类似物,如奥曲肽。⑤抑制胰酶活性,仅用于重症胰腺炎的早期,常用药物有抑肽酶、加贝酯等。⑥防治各种并发症。
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知识梳理
急性胰腺炎的护理措施
(1)一般护理:
1)休息与活动:绝对卧床休息,协助病人取弯腰、前倾坐位或屈膝侧卧位,以减轻疼痛。
2)饮食护理:
①禁食和胃肠减压:多数病人需要禁食1~3天,有助于缓解腹胀和腹痛,必要时给予胃肠减压。
②加强营养支持:及时补充水分和电解质,保证有效血容量。
③鼻-空肠管护理:若病人禁食、禁饮超过1周,可考虑在X线引导下经鼻腔置空肠营养管,实施肠内营养。
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知识梳理
急性胰腺炎的护理措施
(2)病情观察:严密观察病人的体温、脉搏、呼吸、血压、意识及尿量的变化
(3)对症护理:
腹痛、恶心与呕吐时给予相应的护理。
(4)治疗配合:1)用药护理遵医嘱用药,并观察药物疗效及不良反应。①西咪替丁:静脉给药时,给药时速度不宜过快。②奥曲肽:需持续静脉滴注给药。③抑肽酶:可产生抗体,有过敏的可能。④加贝酯:静脉滴注速度不宜过快,多次使用时应更换注射部位。药液应新鲜配制,对多种药物有过敏史者、孕妇和儿童禁用。
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知识梳理
急性胰腺炎的护理措施
2)重症急性胰腺炎的抢救配合
①病情监测:安置病人于重症监护病房,严密监测病人生命体征。
②备好抢救用物:如静脉切开包、人工呼吸器及气管切开包等。
③维持有效血容量:迅速建立静脉通道,输入液体及电解质。
④防治低血容量性休克:出现低血容量性休克时,立即协助病人取仰卧中凹位,注意保暖,遵医嘱给予氧气吸入。
⑤防治急性呼吸窘迫综合征:高浓度吸氧,做好气管切开、机械通气的护理。
(5)心理护理。
(6)健康指导。
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知识梳理
上消化道出血的身体状况
(1)呕血与黑便:是上消化道出血的特征性表现。上消化道出血者均有黑便,但不一定有呕血。出血部位在幽门以上者常有呕血和黑便,出血部位在幽门以下者可仅表现为黑便。
(2)失血性周围循环衰竭:上消化道大出血时,由于循环血容量急剧减少,静脉回心血量不足,导致心排血量降低,常发生急性周围循环衰竭。
(3)贫血及血象变化:上消化道大出血后,均有急性失血性贫血。
(4)发热:多数病人于大量出血后24小时内出现发热,一般不超过38.5℃,可持续3~5天。
(5)氮质血症:上消化道大量出血后,肠道中血液的蛋白质消化产物被吸收,使血中尿素氮浓度升高,称为肠源性氮质血症。
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知识梳理
上消化道出血的辅助检查
(1)实验室检查(2)胃镜检查(3)X线钡餐造影检查(4)放射性核素扫描或选择性动脉造影
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知识梳理
上消化道出血的治疗要点
(1)补充血容量:可用平衡液、葡萄糖盐水、右旋糖酐或其他血浆代用品。必要时输浓缩红细胞或全血。
(2)止血①非食管-胃底静脉曲张破裂出血:常用H2受体拮抗剂或质子泵抑制剂,如雷尼替丁、奥美拉唑等。②食管-胃底静脉曲张破裂出血:常用血管升压素、生长抑素类药物如奥曲肽,药物治疗不能控制出血时暂时使用三(四)腔二囊管压迫止血,必要时内镜直视下止血。③大量出血内科治疗无效时,应考虑外科手术治疗。
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知识梳理
上消化道出血的护理措施
(1)一般护理:
1)休息与活动:嘱病人适当休息,大出血时病人取平卧位并将下肢略抬高,以保证脑部供血。呕吐时头偏向一侧,防止窒息或误吸。
2)饮食护理:
大量出血者暂时禁食,出血停止后24~48小时,可给予温凉流质、半流质及易消化的软食,并应少量多餐。
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知识梳理
上消化道出血的护理措施
(2)病情观察:
①病情监测:观察出血方式,注意呕血及便血的颜色、性状、次数及量,以便估计出血量和速度。
②估计出血量:大便隐血试验阳性提示每天出血量在5~10ml以上;出现黑便提示出血量在50~100ml以上;胃内积血量达250~300ml时出现呕血;出血量不超过400ml时,一般不出现全身症状;出血量超过400~500ml时,出现头晕、心悸及乏力等全身症状;出血量超过1000ml,可出现急性周围循环衰竭的表现,严重者引起失血性休克。
③继续或再次出血的判断:①反复呕血,甚至呕吐物由咖啡色转为鲜红色。②黑便次数及量增多,或排出暗红色甚至鲜红色血便,伴肠鸣音亢进。③周围循环衰竭的表现经充分补液、输血而改善不明显,或好转后又恶化,血压波动、中心静脉压不稳定。④血红蛋白、红细胞计数与血细胞比容继续下降,网织红细胞计数持续增高。⑤在补液足量、尿量正常的情况下,血尿素氮持续或再次增高。
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知识梳理
上消化道出血的护理措施
(3)治疗配合:
①用药护理①输液:立即建立静脉通道。②输血:肝病导致出血者宜输新鲜血。③止血:用血管升压素止血时应注意滴速。②三(四)腔二囊管压迫止血的护理:该法止血效果肯定,但是病人痛苦、并发症多,仅在药物治疗无效的大出血时可暂时使用。
(4)心理护理。
(5)健康指导。
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背诵环节
简述急性胰腺炎的症状、体征、并发症。
症状:(1)腹痛:为本病的主要表现和首发症状。
(2)恶心、呕吐与腹胀:呕吐物为食物和胆汁,呕吐后腹痛不减轻。
(3)发热:多有中度发热,一般持续3~5日。
(4)低血压或休克:常见于重症急性胰腺炎。
(5)水、电解质及酸碱平衡紊乱:多有轻重不等的脱水,呕吐频繁者可有代谢性碱中毒。
体征:重症急性胰腺炎常呈急性病容、脉搏增快、呼吸急促及血压下降;上腹或全腹压痛明显,有肌紧张和反跳痛。
并发症:主要见于重症急性胰腺炎。
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简述急性胰腺炎的辅助检查。
(1)白细胞计数
(2)血、尿淀粉酶测定
(3)血清脂肪酶
(4)C反应蛋白
(5)生化检查
(6)影像学检查
背诵环节
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简述急性胰腺炎的治疗要点。
(1)轻症急性胰腺炎①减少胰腺外分泌:采用禁食、胃肠减压和药物治疗。②静脉输液:补充血容量,维持水、电解质和酸碱平衡。③减轻疼痛:疼痛剧烈者可用哌替啶。④预防和抗感染:可采取导泻法(如口服硫酸镁或芒硝)清洁肠道、口服抗生素(如左氧氟沙星与甲硝唑联合应用)等。
(2)重症急性胰腺炎除上述治疗外,还应:①纠正休克和水、电解质平衡紊乱。②营养支持。③抗感染治疗,常规使用抗生素。④减少胰腺分泌,常用药物有生长抑素及其类似物,如奥曲肽。⑤抑制胰酶活性,仅用于重症胰腺炎的早期,常用药物有抑肽酶、加贝酯等。⑥防治各种并发症。
背诵环节
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简述急性胰腺炎的护理措施。
(1)一般护理:
1)休息与活动:绝对卧床休息,协助病人取弯腰、前倾坐位或屈膝侧卧位,以减轻疼痛。
2)饮食护理:
①禁食和胃肠减压:多数病人需要禁食1~3天,有助于缓解腹胀和腹痛,必要时给予胃肠减压。
②加强营养支持:及时补充水分和电解质,保证有效血容量。
③鼻-空肠管护理:若病人禁食、禁饮超过1周,可考虑在X线引导下经鼻腔置空肠营养管,实施肠内营养。
背诵环节
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简述急性胰腺炎的护理措施。
(2)病情观察:严密观察病人的体温、脉搏、呼吸、血压、意识及尿量的变化
(3)对症护理:
腹痛、恶心与呕吐时给予相应的护理。
(4)治疗配合:1)用药护理遵医嘱用药,并观察药物疗效及不良反应。①西咪替丁:静脉给药时,给药时速度不宜过快。②奥曲肽:需持续静脉滴注给药。③抑肽酶:可产生抗体,有过敏的可能。④加贝酯:静脉滴注速度不宜过快,多次使用时应更换注射部位。药液应新鲜配制,对多种药物有过敏史者、孕妇和儿童禁用。
背诵环节
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简述急性胰腺炎的护理措施。
2)重症急性胰腺炎的抢救配合
①病情监测:安置病人于重症监护病房,严密监测病人生命体征。
②备好抢救用物:如静脉切开包、人工呼吸器及气管切开包等。
③维持有效血容量:迅速建立静脉通道,输入液体及电解质。
④防治低血容量性休克:出现低血容量性休克时,立即协助病人取仰卧中凹位,注意保暖,遵医嘱给予氧气吸入。
⑤防治急性呼吸窘迫综合征:高浓度吸氧,做好气管切开、机械通气的护理。
(5)心理护理。
(6)健康指导。
背诵环节
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简述上消化道出血的身体状况。
(1)呕血与黑便:是上消化道出血的特征性表现。上消化道出血者均有黑便,但不一定有呕血。出血部位在幽门以上者常有呕血和黑便,出血部位在幽门以下者可仅表现为黑便。
(2)失血性周围循环衰竭:上消化道大出血时,由于循环血容量急剧减少,静脉回心血量不足,导致心排血量降低,常发生急性周围循环衰竭。
(3)贫血及血象变化:上消化道大出血后,均有急性失血性贫血。
(4)发热:多数病人于大量出血后24小时内出现发热,一般不超过38.5℃,可持续3~5天。
(5)氮质血症:上消化道大量出血后,肠道中血液的蛋白质消化产物被吸收,使血中尿素氮浓度升高,称为肠源性氮质血症。
背诵环节
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简述上消化道出血的辅助检查。
(1)实验室检查(2)胃镜检查(3)X线钡餐造影检查(4)放射性核素扫描或选择性动脉造影
背诵环节
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简述上消化道出血的治疗要点。
(1)补充血容量:可用平衡液、葡萄糖盐水、右旋糖酐或其他血浆代用品。必要时输浓缩红细胞或全血。
(2)止血①非食管-胃底静脉曲张破裂出血:常用H2受体拮抗剂或质子泵抑制剂,如雷尼替丁、奥美拉唑等。②食管-胃底静脉曲张破裂出血:常用血管升压素、生长抑素类药物如奥曲肽,药物治疗不能控制出血时暂时使用三(四)腔二囊管压迫止血,必要时内镜直视下止血。③大量出血内科治疗无效时,应考虑外科手术治疗。
背诵环节
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简述上消化道出血的护理措施。
(1)一般护理:
1)休息与活动:嘱病人适当休息,大出血时病人取平卧位并将下肢略抬高,以保证脑部供血。呕吐时头偏向一侧,防止窒息或误吸。
2)饮食护理:
大量出血者暂时禁食,出血停止后24~48小时,可给予温凉流质、半流质及易消化的软食,并应少量多餐。
背诵环节
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简述上消化道出血的护理措施。
(2)病情观察:
①病情监测:观察出血方式,注意呕血及便血的颜色、性状、次数及量,以便估计出血量和速度。
②估计出血量:大便隐血试验阳性提示每天出血量在5~10ml以上;出现黑便提示出血量在50~100ml以上;胃内积血量达250~300ml时出现呕血;出血量不超过400ml时,一般不出现全身症状;出血量超过400~500ml时,出现头晕、心悸及乏力等全身症状;出血量超过1000ml,可出现急性周围循环衰竭的表现,严重者引起失血性休克。
③继续或再次出血的判断:①反复呕血,甚至呕吐物由咖啡色转为鲜红色。②黑便次数及量增多,或排出暗红色甚至鲜红色血便,伴肠鸣音亢进。③周围循环衰竭的表现经充分补液、输血而改善不明显,或好转后又恶化,血压波动、中心静脉压不稳定。④血红蛋白、红细胞计数与血细胞比容继续下降,网织红细胞计数持续增高。⑤在补液足量、尿量正常的情况下,血尿素氮持续或再次增高。
背诵环节
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简述上消化道出血的护理措施
(3)治疗配合:
①用药护理①输液:立即建立静脉通道。②输血:肝病导致出血者宜输新鲜血。③止血:用血管升压素止血时应注意滴速。②三(四)腔二囊管压迫止血的护理:该法止血效果肯定,但是病人痛苦、并发症多,仅在药物治疗无效的大出血时可暂时使用。
(4)心理护理。
(5)健康指导。
背诵环节
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常考题
1.急性胰腺炎的首发症状是
A.腹痛 B.腹胀 C.发热 D.休克
【答案】A
【解析】腹痛:为本病的主要表现和首发症状,常在暴饮暴食或酗酒后突然发生。
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常考题
2.上消化道大出血一般指在数小时内出血量超过
A.500ml B.1000ml C.1500ml D.1800ml
【答案】B
【解析】概述:上消化道出血是指屈氏韧带以上的消化道包括食管、胃、十二指肠、胰、胆道病变引起的出血,以及胃空肠吻合术后的空肠病变出血。上消化道大出血一般指在数小时内出血量超过1000ml或循环血容量的20%,主要表现为呕血和/或黑便,并伴有血容量减少引起的急性周围循环衰竭。
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常考题
3.上消化道出血最常见的病因是
A.消化性溃疡 B.食管-胃底静脉曲张破裂 C.急性糜烂出血性胃炎 D.上消化道肿瘤
【答案】A
【解析】上消化道出血的病因很多,常见病因为消化性溃疡、食管-胃底静脉曲张破裂、急性糜烂出血性胃炎和上消化道肿瘤。其中消化性溃疡是上消化道出血最常见的病因。
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常考题
4.上消化道出血的呕血与黑便特点,正确的是
A.上消化道出血者不一定有黑便
B.上消化道出血者均有黑便
C.出血部位在幽门以下者可仅表现为呕血
D.出血量大、速度快的幽门以下病变可因血液反流入胃而出现黑便
【答案】B
【解析】呕血与黑便:是上消化道出血的特征性表现。上消化道出血者均有黑便,但不一定有呕血。出血部位在幽门以上者常有呕血和黑便,出血部位在幽门以下者可仅表现为黑便。但出血量少而速度慢的幽门以上病变亦可仅见黑便,而出血量大、速度快的幽门以下病变可因血液反流入胃而出现呕血。
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常考题
5.简述上消化道出血病人呕血与黑便的颜色、性质与出血量和出血速度的关系。
【答案】呕血时若出血量少,血液在胃内停留时间长,经胃酸作用形成正铁血红素,呈黑色或咖啡色;若出血量大,血液在胃内停留时间短,未经胃酸混合即呕出,则呈暗红色甚至鲜红色。上消化道出血时粪便以黑色或柏油样为主,是因血红蛋白中的铁与肠内硫化物作用形成硫化铁所致;如出血量多使肠蠕动加速时,则粪便可呈暗红或鲜红色。
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常考题
6.引起急性胰腺炎最常见的病因是
A.酗酒 B.暴饮暴食 C.胆道疾病 D.腹部手术
【答案】C
【解析】引起急性胰腺炎的病因较多,在我国胆道疾病是最常见的病因,国内报道约50%以上的急性胰腺炎并发于胆石症、胆道感染等胆道疾病。其次是酗酒和暴饮暴食,导致胰液大量分泌及十二指肠乳头水肿或Oddi括约肌痉挛,使胰液排出受阻,引起急性胰腺炎。其他如胰管阻塞(胰管结石或蛔虫、胰管狭窄、肿瘤等)、十二指肠及周围疾病、腹部手术与创伤等,都可诱发急性胰腺炎。
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
常考题
7.急性胰腺炎的腹痛特点不包括
A.可为钝痛、刀割样痛 B.疼痛位于下腹 C.疼痛常向腰背部呈带状放射 D.在暴饮暴食后发生
【答案】B
【解析】腹痛:为本病的主要表现和首发症状,常在暴饮暴食或酗酒后突然发生。可为钝痛、刀割样痛、钻痛或绞痛,呈持续性、阵发性加剧。疼痛位于中上腹,常向腰背部呈带状放射。取弯腰抱膝位可减轻疼痛,一般胃肠解痉药物不缓解,进食加剧。轻症病人腹痛3~5日可缓解。重症急性胰腺炎病情发展迅速,腹痛持续时间较长,发生腹膜炎时疼痛波及全腹。
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
常考题
8.可缓解急性胰腺炎腹痛的体位是
A.右侧卧位 B.平卧位 C.弯腰抱膝位 D.左侧卧位
【答案】C
【解析】腹痛:为本病的主要表现和首发症状,常在暴饮暴食或酗酒后突然发生。可为钝痛、刀割样痛、钻痛或绞痛,呈持续性、阵发性加剧。疼痛位于中上腹,常向腰背部呈带状放射。取弯腰抱膝位可减轻疼痛,一般胃肠解痉药物不缓解,进食加剧。轻症病人腹痛3~5日可缓解。重症急性胰腺炎病情发展迅速,腹痛持续时间较长,发生腹膜炎时疼痛波及全腹。
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
常考题
9.提示重症急性胰腺炎继发腹膜炎、胰腺脓肿或合并胆道系统感染时,体温超过
A.37℃ B.39℃ C.38℃ D.36℃
【答案】B
【解析】发热:多有中度发热,一般持续3~5日。若体温超过39℃持续不退,提示重症急性胰腺炎继发腹膜炎、胰腺脓肿或合并胆道系统感染。
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
常考题
10.简述急性胰腺炎的症状。
【答案】(1)腹痛:为本病的主要表现和首发症状,常在暴饮暴食或酗酒后突然发生。(2)恶心、呕吐与腹胀:起病后多出现恶心、呕吐,呕吐物为食物和胆汁,呕吐后腹痛不减轻。(3)发热:多有中度发热,一般持续3~5日。(4)低血压或休克:常见于重症急性胰腺炎。(5)水、电解质及酸碱平衡紊乱。
高考真题
单项选择题
1.(真题)简述急性胰腺炎的症状。
【答案】腹痛(2分)
恶心(1分)
呕吐(1分)
腹胀(1分)
发热(1分)
低血压(休克)(1分)
水电解质代谢紊乱(1分)
酸碱平衡紊乱(1分)
高考真题
单项选择题
2.(真题)急性胰腺炎的主要表现和首发症状是
A.腹痛 B 呕吐 C.腹胀 D.发热
【答案】A
【解析】腹痛:为本病的主要表现和首发症状,常在暴饮暴食或酗酒后突然发生。可为钝痛、刀割样痛、钻痛或绞痛,呈持续性、阵发性加剧。疼痛位于中上腹,常向腰背部呈带状放射。取弯腰抱膝位可减轻疼痛,一般胃肠解痉药物不缓解,进食加剧。轻症病人腹痛3~~5日可缓解。重症急性胰腺炎病情发展迅速,腹痛持续时间较长,发生腹膜炎时疼痛波及全腹。
高考真题
单项选择题
3.(真题)上消化道出血的特征性表现是
A.贫血 B.呕血、黑便 C 发热 D.氮质血症
【答案】B
【解析】呕血与黑便是上消化道出血的特征性表现。上消化道出血者均有黑便,但不一定有呕血。出血部位在幽门以上者常有呕血和黑便,出血部位在幽门以下者可仅表现为黑便。但出血量少而速度慢的幽门以上病变亦可仅见黑便,而出血量大、速度快的幽门以下病变可因血液反流入胃而出现呕血。
高考真题
单项选择题
4.(真题)下列哪一项是在我国引起急性胰腺炎最常见的病因 ( )
A.酗酒 B.胰管狭窄 C.腹部创伤 D.胆道疾病
【答案】D
【解析】引起急性胰腺炎的病因较多,在我国胆道疾病是最常见的病因,国内报道约50%以上的急性胰腺炎并发于胆石症、胆道感染等胆道疾病。
高考真题
单项选择题
5.(真题)上消化道出血病因诊断的首选检查方法是 ( )
A.血常规检查 B.胃镜检查 C.B型超声检查 D. X线钡餐检查
【答案】B
【解析】胃镜检查是上消化道出血定位、定性诊断的首选检查方法。多在出血后24~48小时内做急诊胃镜检查,以明确诊断并对出血病灶进行止血治疗。
高考真题
单项选择题
6.(真题)简述上消化道出血患者的饮食护理措施。
【答案】少量出血无呕吐者可适当流质饮食;
大量出血者暂时禁食;
出血停止后24小时~48小时,可给于温凉流质、半流质及易消化的食物;
少食多餐;
食管胃底静脉曲张出血的患者,止血后限制蛋白质和钠的摄入;
忌食生、冷、硬、辛辣等刺激性食物;
禁用烟酒、浓茶、咖啡及过甜、过酸的饮料;
呕血停止后协助患者漱口,保持口腔清洁。
高考真题
单项选择题
7.(真题)急性胰腺炎患者腹痛时,下列药物中禁用的是
A.阿托品 B.哌替啶 C.山莨菪碱 D.吗啡
【答案】D
【解析】减轻疼痛:疼痛剧烈者可用哌替啶。
课堂练习
单项选择题
1.上消化道大出血一般指在数小时内出血量超过循环血容量的
A.20% B.30% C.40% D.50%
【答案】A
【解析】概述:上消化道出血是指屈氏韧带以上的消化道包括食管、胃、十二指肠、胰、胆道病变引起的出血,以及胃空肠吻合术后的空肠病变出血。上消化道大出血一般指在数小时内出血量超过1000ml或循环血容量的20%,主要表现为呕血和/或黑便,并伴有血容量减少引起的急性周围循环衰竭。
课堂练习
单项选择题
2.呕血时若出血量少,血液在胃内停留时间长,颜色呈现
A.暗红色 B.黑色 C.鲜红色 D.柏油色
【答案】B
【解析】呕血时若出血量少,血液在胃内停留时间长,经胃酸作用形成正铁血红素,呈黑色或咖啡色。
课堂练习
单项选择题
3.上消化道出血时粪便的颜色主要是
A.暗红色 B.黑色 C.鲜红色 D.柏油色
【答案】D
【解析】上消化道出血时粪便以黑色或柏油样为主,是因血红蛋白中的铁与肠内硫化物作用形成硫化铁所致。
课堂练习
单项选择题
4.上消化道出血出现发热是因为
A.循环血量增多 B.循环血量不变 C.体温调节中枢的功能障碍 D.细菌感染
【答案】C
【解析】发热多数病人于大量出血后24小时内出现发热,一般不超过38.5℃,可持续3~5天。发热可能与循环血量减少,周围循环衰竭,导致体温调节中枢的功能障碍等因素有关。
课堂练习
单项选择题
5.可明确上消化道出血诊断并对出血病灶进行止血治疗的辅助检查是
A.实验室检查 B.胃镜检查 C.X线钡餐造影检查 D.择性动脉造影
【答案】B
【解析】胃镜检查是上消化道出血定位、定性诊断的首选检查方法。多在出血后24~48小时内做急诊胃镜检查,以明确诊断并对出血病灶进行止血治疗。
课堂练习
单项选择题
6.适用于上消化道出血病人不宜或不愿进行内镜检查者的辅助检查是
A.实验室检查 B.胃镜检查 C.X线钡餐造影检查 D.择性动脉造影
【答案】C
【解析】X线钡餐造影检查:对明确病因亦有价值,主要适用于不宜或不愿进行内镜检查者。在出血停止和病情基本稳定数日后进行检查。
课堂练习
单项选择题
7.简述急性胰腺炎的并发症。
【答案】局部并发症有胰腺脓肿、假性囊肿;全身并发症有急性呼吸窘迫综合征、急性肾损伤、心律失常与心力衰竭、消化道出血、败血症及糖尿病等,病死率极高。
课堂练习
单项选择题
8.简述急性胰腺炎的辅助检查。
【答案】
(1)白细胞计数
(2)血、尿淀粉酶测定
(3)血清脂肪酶
(4)C反应蛋白
(5)生化检查
(6)影像学检查
课堂练习
9.简述急性胰腺炎血尿淀粉酶测定的结果。
【答案】 血清淀粉酶一般在起病后2~12小时开始升高,48小时后开始下降,持续3~5日。血清淀粉酶超过正常值3倍即可诊断本病,但血清淀粉酶的高低不一定反映病情轻重。尿淀粉酶升高较晚,常在发病后12~14小时升高,持续1~2周逐渐恢复正常,但其受病人尿量的影响,故临床诊断价值不大。
课堂练习
10.简述轻症急性胰腺炎的治疗要点。
【答案】①减少胰腺外分泌:采用禁食、胃肠减压和药物治疗。常用药物有H2受体拮抗剂或质子泵抑制剂。②静脉输液:补充血容量,维持水、电解质和酸碱平衡。③减轻疼痛:疼痛剧烈者可用哌替啶。④预防和抗感染:急性胰腺炎病程中极易并发感染,感染源大多来自肠道,可采取导泻法(如口服硫酸镁或芒硝)清洁肠道、口服抗生素(如左氧氟沙星与甲硝唑联合应用)等。
课堂小结
一、急性胰腺炎
1.急性胰腺炎的身体状况
2.急性胰腺炎的辅助检查
3.急性胰腺炎的治疗要点
4.急性胰腺炎的护理措施
二、上消化道出血
1.上消化道出血的身体状况
2.上消化道出血的辅助检查
3.上消化道出血的治疗要点
4.上消化道出血的护理措施
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