What should you do first when treating a person who cut his hand while using radial saw and the is open bleeding?

1. Control the bleeding. Apply direct pressure to the wound with a clean cloth or bandage. Elevate the injured hand above the heart to help slow the bleeding.

2. Call 911 or go to the hospital. If the bleeding is severe or does not stop after a few minutes, it is important to seek medical attention immediately.

3. Clean the wound. Once the bleeding has been controlled, gently clean the wound with soap and water. Be sure to remove any dirt or debris from the wound.

4. Apply a bandage. Once the wound is clean, cover it with a sterile bandage. This will help to protect the wound from infection and further injury.

5. Follow up with a doctor. See a doctor for follow-up care, especially if the wound is deep or does not heal properly.