TXA must be given within how many hours of point of injury?

The correct timeframe for administering tranexamic acid (TXA) after the point of injury is within three hours. This timeline is crucial because TXA plays a significant role in reducing mortality associated with traumatic hemorrhagic shock. Studies have shown that the earlier TXA is administered following an injury, the more effective it is in preventing significant blood loss. Administering it within three hours can help stabilize patients by promoting clotting and preventing further bleeding.

While some other options suggest earlier timeframes, the evidence supports the three-hour mark as the optimal window to achieve the best outcomes without increasing the risk of complications. This understanding is fundamental for healthcare providers managing trauma patients, ensuring timely and effective care.