You should never remove a tourniquet after it has been applied unless you are qualified in advanced medical treatment. That said, tourniquets shouldn't be applied in the first place if the bleeding can be stopped with the application of direct pressure and should only be used on the arms or legs (and below - ie. hands, feet, etc.).
60 seconds
You put it on and leave it on until the person gets to the hospital.
A tourniquet should not be left on for longer than one minute. Prolonged use can lead to complications such as tissue damage and fainting.
The tourniquet should not remain on the patient's arm for more than one minute during the venipuncture procedure. Leaving the tourniquet on for too long can lead to hemoconcentration and affect laboratory results.
It would. Remember, almost anything that can cut off blood flow will make a good tourniquet in an emergency. Just don't leave it on too long.
A tourniquet should not be removed at all. Tourniquets are a LAST RESORT method. They are hard to apply, they cause a lot of pain, and they can lead to the loss of any limb below wherever the tourniquet was applied. However, if the choice is your LIFE or your LIMB, choose the life. Apply the tourniquet and tighten it until the bleeding stops. Secure the stick to make sure the tourniquet does not loosen and DO NOT TOUCH IT. Get the victim to a hospital immediately. Once there, the doctors and nurses are trained in how to remove tourniquets and treat the wounds. If you leave a tourniquet on too long, the person might lose their arm/leg/whatever. If you take it off too soon, they can easily bleed to death.
no longer than a minute and a half to two minutes once you get the needle into the vein you should tell the person to relax the fist first then remove the tourniquet if left on too long you can obliterate the blood supply and cause tissue damage
how long should a tourniquet stay on a patients arm:There is no clearcut rule as to how long a tourniquet may be inflated safely, although various investigators have addressed effects of ischemia on muscle and nerve to define a relatively "safe" period of tourniquet hemostasis. In practice, safe tourniquet inflation time depends greatly on the patient's anatomy, age, physical status, and the vascular supply to the extremity. Unless instructed otherwise, report to the surgeon when 60 minutes of tourniquet time has elapsed. There is general agreement that for reasonably healthy adults, 90 minutes should not be exceeded without releasing the tourniquet for a short time.
on minutes no more than that .
Tourniquets are dangerous when used improperly, such as having them applied too long, as they restrict blood flow to the extremity or limb, therefore resulting in failure of that limb or extremity.
because it is stupid.
Yes, leaving a tourniquet on for too long can cause hemolysis, which is the rupture of red blood cells leading to release of hemoglobin into the plasma. This may happen due to prolonged restricted blood flow and oxygen delivery to the tissues. It is important to follow guidelines for tourniquet use to prevent complications like hemolysis.