推荐回答(2个)
七、常见病和多发病1、肺炎:常见于冬春季节,发病前常有受凉、淋雨、劳累、或病毒感染史。起病急骤,寒战后有高热,多呈稽留热。伴有咳嗽、咳痰以及全身症状。体检可以有湿罗音,血常规示白细胞计数、中性粒细胞计数升高,X线可见局部有斑片、浸润影。2、脓胸:高热、呼吸急促、胸闷胸痛、咳嗽、咳痰、乏力等症状,白细胞升高。体检患侧叩诊浊音,呼吸音减弱。X线示有胸腔积液,大量时有纵隔向健侧移位,有时可见有外上向内下的斜行弧线阴影。胸腔穿刺抽得脓液是最确切的诊断方法。3、感染性心内膜炎: 亚急性感染性心内膜炎起病隐匿,全身不适等非特异症状。常呈不明原因的持续发热1周以上,呈弛张性低热,一般不超过39℃,午后和晚上较高。患者呈败血症过程。体检可及心脏杂音,可见有特异性的Roth斑、Osler结节、Janeway损害。血培养、超声心动图有助于诊断。4、尿路感染: 急起病,高热伴有畏寒、寒战,可有腰痛、腹痛、尿频、尿急、尿痛,以及全身症状。血、尿的检查有利于诊断。5、急性乳腺炎: 急性起病,发热伴有乳房胀痛以及局部红、肿、热、痛,并可扪及痛性肿块,伴有不同程度的全身中毒表现。B超对乳房炎性肿块及脓肿形成的诊断有价值,有波动的炎性肿块,可行针刺抽得脓性液体而确诊。6、产褥感染: 急性外阴、阴道、宫颈炎一般为低热,并有局部灼热、疼痛、脓性分泌物等症状。急性子宫内膜炎、肌炎表现为低热或者高热伴有全身中毒症状,有恶露增多,下腹部压痛。淋球菌沿生殖道上行造成感染,形成脓肿后可高热不退。7、系统性红斑狼疮: 长期不规则发热,伴有多器官损害的临床症状。可以有典型的蝶形红斑,有关节疼痛、心肌、肾脏等的损害。白细胞减少,可有狼疮细胞。血ANA,抗ds-DNA,抗Sm抗体具有诊断特异性。8、结核病:长期发热、盗汗,轻度贫血、消瘦,白细胞计数正常或减少,血沉明显加快。根据累及器官、部位可以出现局部症状如胸膜炎、腹膜炎、椎旁脓肿等。抗结核抗体、PPD试验以及X线、CT可协助诊断。9、化脓性脑膜炎:冬春季多发,急性起病,高热,伴有头痛、呕吐、颈项强直,严重可皮肤瘀斑、出血、休克,甚至有神智障碍及昏迷。体检有脑膜刺激症。行脑脊液穿刺可有压力升高,浑浊,白细胞增多。10、肾综合征出血热:由鼠类传播的自然疫源性急性病毒感染。发热为稽留热或不规则热,热程3-7天,可达10天以上。发热,伴有三红(面红、颈红和胸部红)、三痛(头痛、腰痛和眼眶痛),退热后全身症状反而加重,肾损伤严重。检查可表现有白细胞计数升高,蛋白尿等,相关抗体检查可以确定诊断。11、全身化脓性感染:全身化脓性感染主要表现是起病急骤,常常伴有畏寒、寒战,发热,这种发热多为弛张热。如果是革兰氏阴性杆菌可以表现为双峰热,出现相对缓慢,但是由于临床上对于发热病人的干预比较多,包括一些退热药及抗生素的应用,使热型表现的不是很典型。严重的全身性化脓感染可以出现休克,多脏器功能衰竭等情况。常见致病菌未革兰氏阳性菌,包括金黄色葡萄球菌,链球菌,肺炎球菌,也可包括一些阴性菌,如大肠杆菌,绿浓杆菌和变形杆菌等,主要是在病人出现寒战时做血培养,有可能出现血培养阳性,对于诊断治疗非常有意义。12.急性化脓性骨髓炎:急性化脓性骨髓炎儿童多见,以胫骨上段,股骨下段比较多见,即多见于膝关节上下段,表现为起病急骤,有寒战,继而高热,39摄氏度以上,同时有明显的毒血症的症状和局部的红、肿、热、痛的表现。患者可以有昏迷及感染性休克的表现,血象检查有白细胞及中性粒细胞基数升高,X线有特征性的骨髓炎的表现。13.疟疾:疟疾患者通常都有到过热带或亚热带居住旅游的经历,疟疾潜伏期一般为1~2周,也有长达3周的。有的甚至在返回居住地6周之后才出现发热、贫血等相关疟疾的表现。疟疾的发热多为高热、寒战、畏寒,高热可达40度以上,因感染的疟原虫不同其热型也不一样,如间日虐常为隔日发热,而三日虐为3日发作一次高热,恶性虐起病急缓不一,热型不规则,有的可出现一个间歇性低热,继而出现弛张热或持续性高热,每日或隔日发作不定。于寒战发作时取血片检查疟原虫,或行染色检查发现疟原虫,对诊断很有意义。例题:1、女,40岁,因宫颈癌接受化疗。近3天来常发生牙龈出血,血小板计数20×109/l。遂给予血小板输注,输注后20分钟,患者突然寒战、发热、恶心,体温39.5�0�2C,尿色正常。该患者很可能发生输血不良反应是( )A.非溶血性发热性输血反应B.溶血性输血反应C.过敏反应D.细菌污染反应E.循环超负荷答案:C2、女,26岁。右下腹痛、腹泻3个月.伴低热。结肠镜检查回盲部见环形溃疡。x线钡剂结肠造影可见回盲部“跳跃征”。最可能的诊断是 A.溃疡性结肠炎 B.肠淋巴瘤C.肠结核 D.克罗恩病 答案:C3、农民20岁,发热,头痛,恶心,呕吐2天。T37.8 ℃,BP60/40躯干有出血点,双肾扣击痛阳性。血常规,WBC20×109/L 中性80%,淋巴10% ,血小板50×109/L,尿蛋白(++)诊断是A流行性脑膜炎B败血症,感染性休克C肾综合征出血热D钩端螺旋体E传染性单核细胞增多症答案:C4、女性,48岁,发热伴对称性多关节肿痛,晨僵3个月,查ANA抗体低度阳性,RF(+)和IgG补体升高,最可能的诊断A、风湿热B、反应性关节炎C、类风湿性关节炎D、系统性红斑狼疮答案:C5、女性,28岁,低热一月余,伴关节痛,G1P1,血常规检查WBC 4X109/L,HB 90G/L,血沉76MM/L,尿常规;红细胞7-10/H,蛋白(++),肝肾功能正常,抗核抗体1:320。考虑诊断:A、类风湿性关节炎B、系统性红斑狼疮C、再生障碍性贫血D、混合结缔组织病答案: B
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