患者,男,87岁,因"双足麻木、发凉6个月,右足趾疼痛且呈暗红色1个月"来诊。发病期间出现间歇性跛行。有长期吸烟史,高脂饮食习惯。查体:足拇趾趾腹可见2个0.5cm×0.5cm瘀斑,双足汗毛脱落,趾甲增厚、变形,右小腿汗毛稀疏,肌肉松弛,双足背及胫后动脉搏动消失。血液流变学:全血黏度、血浆黏度、血小板聚集性升高。多普勒超声:血管弹性差,周围阻力高,右下肢供血不足。动脉造影:右股动脉狭窄、闭塞。最可能的诊断是()。
A. 下肢静脉血栓形成
B. 动脉硬化性闭塞症
C. 动脉栓塞
D. 血栓闭塞性脉管炎
E. 下肢静脉曲张
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男性,65岁,高血压病史20年,反复咳嗽、咳痰30年,活动性气喘伴下肢水肿5年,加重1天入院。近1个月尚有夜间阵发性呼吸困难,坐起后有明显缓解,查体:血压160/85mmHg,心率120/分钟,呼吸:30/分钟,桶状胸,双肺可闻及干、湿啰音,心律齐,心尖部可闻及舒张期奔马律及收缩期级Ⅱ级吹风样杂音,P2亢进,三尖瓣区可闻及Ⅲ级收缩期吹风样杂音。肝右肋下4cm,压痛(+),肝颈回流征阳性,下肢水肿。该患者目前并不需要的辅助检查是()
A. 胸部X线片
B. 心脏超声
C. 右心漂浮导管检查
D. 血脑钠肽水平
E. 血心肌酶谱
A customer has one IBM System Storage DS8300 in their main data center with one IBM DS6800 at their Disaster Recovery (DR) site. They are using the Remote Mirror and Copy (RMC) feature between the sites. They utilize Tivoli Storage Manager for backups. They would like to replace a Microsoft Windows server at the main site with a server at the DR site with a minimal amount of downtime. Which method will achieve their goals()
A. locate the Tivoli Storage Manager data set for the server at the DR site, do a full backup, recover the data to the DS6800, and make the data availableto the server
B. create RMC relationships for all of the data on the server to the DS6800, shut down the server, and make the data available to the new server
C. shut down the server,create RMC relationships for all of the data on the server to the DS6800, and make the data available to the new server
D. recover the TSM backups to the DS6800 at the remote site, and make the data available to the new server