With heart block, patients may experience lightheadedness, fainting or abnormal heartbeats.
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Mice treated with certain versions of drugs that block blood vessel growth suffered strokes and heart attacks, the researchers said.
研究人员说，用特定的药物来阻断小鼠血管的生长，继而这些小鼠发生了中风和心脏病。
RESULTS astemizole could slower the heart rate of mice, prolong P-R and Q-T interphase, even arise the complete AV block and sinus beat stop with the dose increase.
结果阿司咪唑使多数小鼠心率减慢，P R间期和Q T间期延长，随剂量增加，甚至可引起完全性房室传导阻滞和窦性停搏。
Conclusion Biventricular pacing can improve cardiopulmonary function, exercise tolerance and quality of life in patients with congestive heart failure and intraventricular block.
结论双心室起搏能有效改善慢性心衰患者心肺功能，增加运动能量，提高生活质量。
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