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Loganville, GA
A 36-year-old male asked:

i had an ultrasound for blood clots on friday. test came back negative. last night while sleeping i got a sharp pain in my leg like a cramp. is it possible that i got a blood clot over the last 6 days if i've been smoking? i'm not a regular smoker

2 doctor answers11 doctors weighed in
Dr. Chris Sadeh
Emergency Medicine 20 years experience
Anything is possible: But a recent ultrasound being negative would make this very very unlikely. Blood clots in the leg cause swelling, persistent pain, especially when walking/ bearing weight. Often times there is redness and warmth affecting the leg as well. Night-time leg cramps are not associated with these clots often. Women on oral / implant contraceptives have a greater risk of blood clots while smoking.
Dr. Cornelius Oleary
A Verified Doctoranswered
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DDimer: Studies show that people with injury to their legs, hypercoaguable states (more prone to forming clots), or those who have been sedentary (immobility) are more likely to have a blood clot. Wells criteria are clinical criteria that include recent immobility, cancer, and other factors in determining the probability. You need a full history and physical, however, a DDimer test can be useful.
Dr. Cornelius Oleary
A Verified Doctor commented
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Provided original answer
Also, CT Venogram is the gold standard test in this situation even though ultrasound the most commonly used even clinicians don't bat an eye and send people for ultrasound but if high concern CT and DDimer good in my opinion
Sep 29, 2017

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