【单选题】男性40岁。患类风湿关节炎合并肺间质纤维化,应用激素维持治疗。近1周来咳嗽,痰稍带脓性,低热。2d前起气急逐渐加重,前来就诊。体检:明显气急、紫绀,两下肺广泛湿啰音。心率110次/分,律齐。动脉血气分析(呼吸空气)示pn7.48,PaCO4kPa(30mmHg),PaO6kPa(45mmHg)。机械通气治疗呼吸衰竭,为避免过度通气,应采取下列哪项措施()
【简答题】阅读理解 Eddie McKay, a once-forgotten pilot, is a subject of great interest to a group of history students in Canada. It all started when Graham Broad, a professor at the University of Western Ontario, f...
【简答题】Eddie McKay, a once-forgotten pilot, is a subject of great interest to a group of history students in Canada. It all started when Graham Broad, a professor at the University of Western Ontario, found ...
【单选题】男性, 28 岁,汽车司机,前胸撞于方向盘上,伤后约 1 小时。查体 : 意识清,脉搏 130 次 / 分,奇脉( + ),血压 12/10.7kPa ,呼吸 32 次 / 分,颈静脉怒张,心浊音界扩大,心音弱,两肺呼吸音正常,诊断可能性最大是
【单选题】如图所示,一个弹簧振子在A、B间做简谐运动,O是平衡位置,把向右的方向选为正方向,以某时刻作为计时零点(t=0),经过1/4周期,振子具有正方向的最大加速度,那么如图所示的四个振动图象中能正确反映振动情况的图象是( )
【单选题】A Eddie McKay, a once-forgotten pilot, is a subject of great interest to a group of history students in Canada. It all started when Graham Broad, a professor at the University of Western Ontario, foun...
B.
A footnote about McKay.