Every time your heart beats, it pumps blood with a facility network the blood vessels. These blood vessels, which control blood flow, encompass arteries, veins, and also capillaries.

You are watching: What happens when you cut a vein

If any type of of this blood vessels become damaged, bleeding occurs. The form of bleeding relies on the blood ship involved:

The many severe type of bleeding is arterial bleeding, yet venous bleeding deserve to be just as serious. You deserve to identify venous bleeding through looking in ~ the blood’s color and also how conveniently it flows out of a wound.

Read on to learn around the signs of venous bleeding, follow me with first aid care.


When a vein is take it or severed, the blood the flows out will be dark red or bluish. That’s since it no longer has actually oxygen.

Plus, because venous blood is moving to the heart, it’s under less pressure than arterial blood. It will “ooze” like a thick liquid, flowing steadily out of the body. If the damaged vein is deep or large, the blood may gush out.

Venous bleeding have the right to be resulted in by the adhering to wounds:

lacerations (cuts)puncturesamputations

In general, all types of bleeding need the same care. The score is to alleviate the bleeding and also prevent blood loss and also repair the basic tear or laceration in the vein.

If someone you know has actually a bleeding vein, this is what you must do:

Wear a pair that latex gloves to safeguard yourself. If girlfriend don’t have actually gloves, wrap her hands in a plastic bag or class of clean cloth.Find the wound. If needed, remove or cut the person’s clothes to disclose the wound.If possible, elevate the wound above the who heart.Place clean gauze or cloth, favor a handkerchief, top top the wound. If friend don’t have these items, use a hand.Apply steady, firm pressure for 5 minutes. If the wound is small, use your fingers. If the wound is big, usage your palm.If the bleeding proceeds for 10 minutes, place second cloth ~ above top. Use firmer push over a enlarge area. Prevent removing the very first layer of soaked fabric, together this can interrupt clotting.Call 911 if the bleeding doesn’t stop, if there is a many bleeding, or the human being loses consciousness.

Venous bleeding is typically easier to regulate than arterial bleeding. However, if the vein is very deep, the bleeding have the right to be an overwhelming to stop.


The other varieties of bleeding encompass arterial and capillary bleeding. Lock look various than venous bleeding, so it’s important to know just how to tell castle apart.

Here’s what arterial and also capillary bleeding involves:

Arterial bleeding

Arterial bleeding, additionally called pulsatile bleeding, is the many serious type of bleeding. The usually caused by major injuries.

Since arterial blood flows from the heart, it’s oxygenated and bright red. The will also shoot out v each heartbeat in a rhythmic pattern. This pressure have the right to make the blood spurt up to several feet.

Compared to venous bleeding, arterial bleeding is more complicated to control. The force of each heartbeat interrupts the blood clotting process, which can lead to a lot of blood loss.

Medical emergency

Arterial bleeding is a clinical emergency. Call 911 if girlfriend think a person has a bleeding artery.

Capillary bleeding

Capillary bleeding is the many common type of bleeding. It happens whenever the skin is injured, so it occurs with all wounds. It’s less serious 보다 other develops of bleeding.

Capillary blood oozes or trickles the end of the body. It also flows quickly, however it’s usually basic to control. That’s because capillaries are small and many injuries that cause capillary bleeding space superficial.

Sometimes, if the capillaries burst as result of a physical blow, the blood can obtain trapped in ~ the skin. This to produce a bruise.


In many cases, bleeding is minor and can be quit with first aid care.

However, bleeding can be a medical emergency, also if the bleeding has actually stopped. You should obtain emergency help in the following scenarios (additional emergency scenarios might apply):

the bleeding doesn’t stop after numerous minutes of applying pressure the bleeding spurts the end quickly, i m sorry is a authorize of arterial bleedingthe wound is deep, large, or embedded with an objectthe wound exposes the bonethe wound involves the eye or abdomenthe wound is in the chest or neck and also causes challenge breathingthe injury was brought about by a motor auto accident

Venous bleeding occurs as soon as a vein is take it or cut. The blood will look dark red and ooze out of the body, moving steadily and slowly. It i will not ~ shoot out choose arterial blood.

Although venous bleeding looks different, it can be just as significant as arterial bleeding. It’s important to protect against the bleeding as shortly as feasible by using firm push on the wound.

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If the bleeding doesn’t protect against after a few minutes, the human becomes pale or unconscious or blood pressure drops, contact 911. Girlfriend should likewise get emergency assist if the wound is an extremely deep or if the person shows indicators of shock.


critical medically the evaluation on April 9, 2021


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Medically reviewed by Dr. Payal Kohli, M.D., FACC — composed by Kirsten Nunez on April 9, 2021

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