A nutritional condition produced by a deficiency of vitamin k in the diet, characterized by an increased tendency to hemorrhage (hemorrhagic disorders). Such bleeding episodes may be particularly severe in newborn infants. (from cecil textbook of medicine, 19th ed, p1182)
Condition due to a deficiency of vitamin k.
Deficiency of vitamin k. It may lead to bleeding, manifested with ecchymoses, petechiae, and hematomas. In infants it may cause hemorrhagic disease of newborn with intracranial and retroperitoneal bleeding.