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What are petechial hemorrhages and how can I tell if I have them?
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Dr. Carl Decker
Radiology
In brief: Where are they?
Petechial hemorrhage in general is caused by broken capillary vessels and may be found on the skin, brain or elsewhere in the body.
Most commonly they are associated with trauma - including those found in the brain. To find these in the brain requires an mri. On the skin they can be seen as small black and blue marks. Non-traumatic causes would include thrombocytopenia which requires evaluation.

In brief: Where are they?
Petechial hemorrhage in general is caused by broken capillary vessels and may be found on the skin, brain or elsewhere in the body.
Most commonly they are associated with trauma - including those found in the brain. To find these in the brain requires an mri. On the skin they can be seen as small black and blue marks. Non-traumatic causes would include thrombocytopenia which requires evaluation.
Dr. Carl Decker
Dr. Carl Decker
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