Dream of intravenous thrombolysis:
Time window:longer and longer;Appropriate patient:more and more;Medication:safer and more efficative;现实：任重
建议在静脉rtPA 给药前完成平扫CT 或者MRI，以排除脑出血，并明确是否存在缺血导致的CT 低密度或MRI 高信号（I 类，证据