胆囊内见一附壁高回声团,直径约4mm,后无声影,不移动,最恰当的超声诊断是() ["息肉样病变","胆泥球","钙化","结石","腺瘤"]
男孩,7个月,高热、腹泻黏液脓血便1天。体检:体温40℃,面色青灰,四肢冷,烦躁不安,心率140次/分,腹平软,未触及肿块。最可能的诊断是() ["肠套叠","真菌性肠炎","急性坏死性肠炎","侵袭性大肠杆菌肠炎","金黄色葡萄球菌性肠炎"]
颞深间隙感染临床表现为() ["张口受限,咀嚼时痛,口内上颌结节后方有压痛","张口受限,吞咽时痛,悬雍垂偏向健侧","张口受限,咀嚼时痛加剧,并向耳颞部反射","张口极度困难,患侧下颌支后缘内侧皮肤肿胀并有深部压痛","牙关紧闭,颈强直"]
男性,25岁。突然出现尿频、尿急、尿痛,伴发热、全身乏力、厌食3天。查体:直肠指检发现前列腺增大,压痛明显。血常规检查白细胞明显增高。根据患者症状、体征,首先考虑的诊断是()。 ["A.急性膀胱炎","急性前列腺膀胱炎","急性前列腺炎","慢性前列腺炎","急性精囊炎"]
心绞痛发作的典型部位为() ["心前区","胸骨中、上段胸骨后","胸骨下段","心尖部","剑突下"]
对于部位不明的上消化道大出血,经过积极的初步处理后,血压,脉率仍不稳定的病例应采用()对于门静脉高压食管胃底曲张静脉引起的大出血的病人应采用()由于出血性胃炎引起的上消化道大出血,一般采用()由于胃癌引起的上消化道大出血,一般采用()