How Long Does It Take To Bleed To Death?
If a large blood vessel is cut, a person can bleed to death in one minute or less. Rapid loss of one quart or more of blood often leads to irreversible shock and death. Serious bleeding requires immediate attention and care.
Sources: Thomas, Lowell J. First Aid for Backpackers and Campers, p. 7; Thygerson, Alton L. First Aid Essentials, p. 53