If someone comes to the er unconscious and they have a blood clot somewhere how do the doctors find it ?

CT Scan with IV: To rule out for a blood clot in the brain, chest or pelvis, it would be a CT Scan with IV contrast to further evaluate the vessels for blood clot.

ER: When a patient comes in unconscious, we first look to stabilize the patient, make sure their vital signs are stable, make sure they aren't bleeding anywhere, make sure their neck and spine are stable, their airway is open and protected. Then the doctors do an examination and a system by system evaluation to try and find out what is wrong. This includes blood tests, xrays which may lead to this.

Initial evaluation: will consist of a plain CT scan without contrast for an unconscious person in the ER