A member asked:

How do doctors diagnose a blood clot even without surgery or internal examination?

8 doctors weighed in across 2 answers

Ultrasound: Noninvasive, painless, but how to see clot.

Answered 9/28/2016

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Ultrasound: Ultrasound is a very sensative test used to diagnose deep vein thrombosis (dvt). Conventional ultrasound uses painless sound waves higher than the human ear can detect that bounce off of blood vessels. A computer converts the sound waves into two-dimensional, black and white moving pictures called b-mode.

Answered 10/12/2017

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