A10-month-old infant has begun to take his first steps and his mother has brought him for assessment because of swelling in his ankles and knees. the mother also states that he was eager to walk but has now regressed and cries when she tries to encourage it. the clinician should:
-assess the child for signs and symptoms of hemophilia a.
-prescribe a trial of desmopressin acetate (ddavp) to rule out von willebrand disease. -order testing to rule out disseminated intravascular coagulation (dic).
-administer vitamin k stat.