How much bleeding is too much bleeding in chest tube drainage?

In chest tube drainage, a general guideline is that more than 100-150 mL of blood per hour is considered excessive and may indicate a complication, such as a significant injury or hemorrhage. Additionally, any sudden increase in the amount of blood drainage, particularly if associated with other symptoms like hypotension or respiratory distress, warrants immediate medical evaluation. Continuous monitoring and assessment of the patient's overall condition are essential in such cases.