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I fell down really hard on my leg and instantly there was a black bruise how do i know if its a bruise or a blood clot

A 57-year-old female asked:
Dr. Ira Rubin
Dr. Ira Rubin answered
36 years experience Pediatrics
Trauma to leg: If your xr was negative, you most likely have a bruise on your leg or you might have hurt it after the fall. Either way, i would suggest icing the ar ... Read More
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A 40-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Need to examine: The leg turning black is not okay. There is at least bleeding in the tissue and that may promote blot clot in the veins. You should get it checked out ... Read More
A member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Can you walk?: If you have no underlying illness and can walk about, you are not likely to get a blood clot. For good health - Have a diet rich in fresh vegetables, ... Read More
A 37-year-old female asked:
Dr. Julie Abbott
44 years experience Preventive Medicine
I wouldn't: It is quite common for bruise by-products--hemosiderin, etc--to remain visible in skin's superficial layers; it is HIGHLY unlikely that this affected ... Read More
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A 34-year-old female asked:
Dr. Donald Colantino
60 years experience Internal Medicine
D -dimer: The knot may be an organized blood clot under the skin which is not serious but can be a tender lump. A negative d -dimer test doesn't rule out phlebi ... Read More
A 33-year-old female asked:
Dr. Alpesh Amin
52 years experience Hematology
Possible: The most common symptoms of a blood clot in the leg are pain, swelling, redness. The only way to diagnosis, is physical exam and ultrasound.
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A 41-year-old female asked:
Dr. Jeffrey Hick
12 years experience Dermatology
Aspirin unnecessary: Taking Aspirin is unnecessary for simple contusions.
A 34-year-old female asked:
Dr. Corey Clay
9 years experience Allergy and Immunology
Unlikely: Risk factors that increase the chance of blood clot include sitting for long periods of time (low blood flow), smoking, having personal or family hist ... Read More
A member asked:
Dr. Darrell Latva
41 years experience Podiatry
THE BRUISE, NO: The bruise itself does not cause DVT, but the trauma causing the bruise theoretically could.
A 41-year-old male asked:
Dr. Jeffrey Kass
27 years experience Podiatry
Likely not.: You intimate the "yellow bruises" are on both legs. Although possible, the likelihood of bilateral blood clots is not high, plus he only sprained one ... Read More

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