Stop the bleeding

Stop the bleeding

Stop the bleeding
Bandage and compression

When someone is bleeding (whether heavily or not), the reflex you need to have is to block the flow of blood. However, you should avoid putting on a tourniquet if it is not necessary.

Why block the flow?

The principle is to stop the bleeding so that the blood pressure inside the body stays the same and the heart does not have to speed up to compensate for the loss of pressure. If the heart beats faster, it speeds up the bleeding, which in turn makes the heart beat faster until the heart can no longer keep up and stops.

How to do it?

If the injury is minimal, and the blood flow is not very strong, take a clean cloth and apply it to the wound, making sure the flow stops. If you have a compression bandage, use it. If necessary, raise the limb a little. Call for help.

If the situation is more serious and the blood continues to flow. You will then need to compress an artery upstream of the flow (compressing an artery does not block all of the blood flow through the body). Block the blood coming from the heart:

Find examples at 22:20 of the video (in french) at the bottom of the article. The purpose of the compression is to block only the artery and not the veins around it, otherwise you are preventing the blood from circulating completely (tourniquet).

If these recommendations are ineffective, then you may need to apply a tourniquet upstream of the injury. Be careful because placing the tourniquet prevents good circulation and can cause the downstream part of the tourniquet to die (necrosis). A tourniquet should not stay longer than 2 hours (maximum).

When to put a tourniquet?

The tourniquet is not automatic, it intervenes in particular in 3 exceptional conditions:

How to apply a tourniquet (last resort)?

After calling for help, take a fairly large, non-elastic fabric that is at least 1.50m long (such as a tie, scarf, belt). Make a loop with your object, circle the arm, pass one end of the end inside the loop, then tie a double knot (see this video from Simusanté). The tourniquet is properly seated when the flow stops and a slight variation in pulse and limb color is observed.

When placing a tourniquet, mark the time of tourniquet application (on the person's forehead if possible). The tourniquet should then be removed under medical supervision.

The case of nosebleeds

If the person is bleeding from the nose, try to determine the cause, if it is medication, bleeding or you have any doubts, call for help. Alternatively, have the person tilt their head forward, blow their nose, nostril after nostril, and compress just below the bone for about 15 minutes.

Written by Maxou (10/18/2021)
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