[Gay State Conservative]

sometimes a clot will form in the leg if someone has been inactive for awhile.

That's true.Another possibility is that if there was,in fact,some sort of head injury a subdural or epidural hematoma could have resulted.I'm not sure of how quickly the onset is seen but I did work in an ER for some time so I have some familiarity with such issues...but certainly not *great* familiarity.

[Mom MD]

Subdural and epidural hematomas are most emphatically not treated with anticoagulants