How frequently should pressure be applied to control external bleeding?

Applying pressure continuously until the bleeding stops or further assistance arrives is the best practice for controlling external bleeding. This method is crucial because consistent pressure on a bleeding wound helps to promote clot formation and can effectively reduce blood loss.

When pressure is maintained, it allows the body's natural hemostatic processes to take place, thereby facilitating the clotting cascade. In emergencies, where the risk of significant blood loss is present, intermittent pressure (such as applying pressure only at specific intervals) would not be effective; it could allow the wound to reopen and continue bleeding. Therefore, the continuous application of pressure until the bleeding is controlled or professional medical help arrives is vital for ensuring the patient's safety and stability in a life-threatening situation.