首页/ 题库 / [单选题]男,56岁,充血性心力衰竭,心率长期维持的答案

男,56岁,充血性心力衰竭,心率长期维持在100~110次/分,口服地高辛0.25mg1次/日,治疗2周后心率无明显下降为了控制心率应首先的措施是()

单选题
2021-12-28 23:44
A、增加地高辛用量
B、加用普罗帕酮
C、加用胺碘酮
D、加用维拉帕米
E、β受体阻断药
查看答案

正确答案
E

试题解析
充血性心力衰竭又称慢性心功能不全,地高辛是洋地黄类药物,属于正性肌力药物洋地黄治疗心衰时剂量与心肌收缩效应呈线性关系,盲目增加洋地黄剂量不仅易引起中毒反应,且可能加重心衰。另外胺碘酮和维拉帕米均可降低地高辛的经肾排泄率而增加中毒的可能性,所以均排除。普罗帕酮有轻度的降压和减慢心率的作用,但心衰禁忌。β受体阻滞剂对舒张性心功能不全有效,它可减慢心率,延长心室舒张期充盈时间增加冠脉血流灌注,且可改善心肌弛缓性和顺应性

感兴趣题目
小明、小芳、小红、小亮四位医生在选择自己工作的科室,小明说:“小芳去内科,我就肯定去内科”;小芳说:“小红去内科,我就不去内科”;小红说:“不管你们去不去内科,我都去”;小亮说:“小明和小芳中只要有一人去内科,我就去内科”。若上述论述都为真,下列选项可能为真的是:()
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
可以在()阶段采用Make-or-buy决策分析。
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
When loading or discharging dry mud or cement,crew members should use goggles and().
Effects which are dutiable or subject to prohibitions or restrictions should be declared in ().
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

Which is colder, Beijing or Edinburgh? 哪个地方更冷,北京还是爱丁堡?
住院医师培训第一阶段要求,笔译专业外语的能力为每小时翻译外语印刷符号()
某内科护士长开展对住院病人进行护理工作满意度的调查,按非常满意、一般和不满意3个层次收集资料,这些资料属于( )
1926年美国波士顿的内科医生首次应用放射性氡研究人体动、静脉血管床之间的循环时间,被誉为“临床核医学之父”。该内科医生是()
某内科医生,在春节探家的火车上遇到一位产妇临产,因车上无其他医务人员,该医师遂协助产妇分娩,在分娩过程中,因牵拉过度,导致新生儿左上肢臂丛神经损伤,该医师行为的性质为()
内科医师张某,乘火车出差,一孕妇早产,列车广播寻找医生。张某遂自告奋勇为产妇接生,终因手法不规范,导致婴儿臂丛神经损伤。张某的行为属于()
患者,男性,58岁,一位内科医师观察到该患者胸部X光片上在肺门区有一直径约4cm,密度较高,边缘不整的团块状阴影,于是判断其患有中心性肺癌。这是医师思维特征的()
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
某内科病区出现护理差错和患者投诉,内科和外科科护士长同时介入帮助整改,病房护士长对于两位科护士长的不同要求无所适从。这种管理方式违背的组织原则是()
在某医院心内科的住院患者中,几天内突然发生多例医院感染,该现象属于
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
临床上不论是内科病或外科病,都要求()医师临诊。
翻译:With Average or With Particular Average(WA or WPA)()
广告位招租WX:84302438

免费的网站请分享给朋友吧