In patients with acute PE, we recommend initial treatment with LMWH, UFH, or fondaparinux for at least 5 days and until the INR is >2.0 for at least 24 h (Grade 1C).

• 急性PE患者，我们推荐初始使用LMWH，UFH或者磺达肝素至少治疗5天，直到INR至少持续24h大于2.；0（1C）。