一般来说,舒张压的高低主要反映()
患者,男,48岁。感呼吸困难、腹胀、乏力、头晕、咳嗽。查体心尖搏动不易触及,心音减低。下肢浮肿。行胸部CT扫描如下图: 图中钙化应考虑为() ["A.壁层胸膜钙化","脏层胸膜钙化","心肌钙化","心包钙化","纵隔钙化","膈肌钙化"]
心率变慢,冠状血管血流量将()
骨骼肌兴奋-收缩耦联的关键部位是()关键物质是()
患者,男,41岁,主诉胸痛1个小时。双上肢脉搏减弱。行胸腹部CTA检查,曲面重组图像如下图: 本病应与下列哪种疾病鉴别() ["A.主动脉动脉炎","主动脉瘤附壁血栓","主动脉狭窄","主动脉扩张","主动脉粥样硬化","主动脉壁内血肿"]
动作电位的最基本的特征是()