Depending on where the clot is in your body, a bloodclot in an artery (arterial thrombosis) can cause:
- heart attack
- peripheral vascular disease
Find out about each of these below.
A heart attack can happen when a blood clot completely blocks an artery that pumps blood to your heart muscle.
You may experience:
- a crushing central chest pain or mild chest discomfort
- shortness of breath
- a clammy, sweaty and grey complexion
- nausea and vomiting
If you suspect you or someone you know is having a heart attack, dial 999 immediately. It's important that you don't wait and do treat these symptoms as an emergency.
Find out more about the symptoms of a heart attack
Arterial thrombosis can cause a stroke if a blood clot is blocking an artery that supplies blood to your brain.
The symptoms of a stroke can come on suddenly and may include:
- numbness or weakness down one side, ranging in severity from weakness in your hand to complete paralysis of the whole side of your body
- weakness in your face, which can make you drool saliva
- difficulty talking and understanding what others are saying
- problems with balance and co-ordination
- difficulty swallowing
If you suspect that you or someone else is having a stroke, dial 999 immediately. It's important that you don't wait and do treat these symptoms as an emergency.
symptoms of a stroke
Peripheral vascular disease
If you have a narrowing of an artery in one or both of your legs (peripheral vascular disease) you may:
- be more susceptible to developing a clot
- have pain when exercising, usually in the lower half of your legs
- have pain that may affect both legs, but develops in one leg before the other
- have pale, cold skin and numbness in one of your legs
Peripheral vascular disease can also cause other problems such as impotence (erectile dysfunction).
If you have any of these symptoms, it's important to talk to your GP.
If one of your legs is a very different colour from the other, and you have other symptoms, you should treat this as an emergency and call 999.