You might have trouble moving your arm ... Your doctor can do tests such as an ultrasound, CT scan, and even a blood test to see if you have a blood clot. Who is at risk of blood clots?

Doppler ultrasound is very effective in a lot of cases, but it’s not good at finding clots ... move the device around, it sends sound waves into your body. The waves bounce off your blood ...

According to the National Blood Clot Alliance, some typical tests include: ultrasound ... If a blood clot breaks free, it can move to the lungs, heart, or brain, blocking blood flow to these ...

If you're confined to a bed because of surgery or illness, get up and move around ... and using ultrasound, which can assess the flow of blood in veins. If your doctor suspects a clot in your ...

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