- Bleeding or the abnormal flow of blood. The patient may have an internal hemorrhage that is invisible or an external hemorrhage that is visible on the outside of the body. Bleeding into the spleen or liver is internal hemorrhage. Bleeding from a cut on the face is an external hemorrhage. The term "hemorrhagic" comes from the Greek "haima," blood + rhegnumai," to break forth = a free and forceful escape of blood.
* * *1. An escape of blood from the intravascular space. 2. To bleed. [G. haimorrhagia, fr. haima, blood, + rhegnymi, to burst forth]- brainstem h. h. into the pons or mesencephalon, often secondary to brainstem distortion by transtentorial herniations due to rapidly expanding intracranial lesions.- cerebral h. h. into the substance of the cerebrum, usually in the region of the internal capsule by the rupture of the lenticulostriate artery. SYN: hematencephalon, intracerebral h..- concealed h. SYN: internal h..- Duret h. small brainstem h. resulting from brainstem distortion secondary to transtentorial herniation.- extradural h. an accumulation of blood between the skull and the dura mater. SYN: epidural hematoma.- postpartum h. h. from the birth canal in excess of 500 ml after a vaginal delivery or 1000 mL after a cesarean delivery during the first 24 hours after birth.- primary h. h. immediately after an injury or operation, as distinguished from intermediate or secondary h..- serous h. obsolete term for a profuse transudation of plasma through the walls of the capillaries.- splinter hemorrhages tiny longitudinal subungual hemorrhages typically seen in but not diagnostic of bacterial endocarditis, trichinosis, etc.- subarachnoid h. extravasation of blood into the subarachnoid space, often due to aneurysm rupture and usually spreading throughout the cerebrospinal fluid pathways.- subdural h. extravasation of blood between the dural and arachnoidal membranes; acute and chronic forms occur; chronic hematomas may become encapsulated by neomembranes. SYN: subdural hematoma.- syringomyelic h. h. into a syringomyelic cavity.
* * *hem·or·rhage or chiefly Brit haem·or·rhage 'hem-(ə-)rij n a copious discharge of blood from the blood vesselshem·or·rhag·ic or chiefly Brit haem·or·rhag·ic .hem-ə-'raj-ik adjhemorrhage or chiefly Brit haemorrhage vi, -rhaged; -rhag·ing to undergo heavy or uncontrollable bleeding
* * *hem·or·rhage (hemґə-rəj) [hemo- + -rrhage] the escape of blood from the vessels; bleeding. Small hemorrhages are classified according to size as petechiae (very small), purpura (up to 1 cm), and ecchymoses (larger). A large accumulation of blood within a tissue is called a hematoma. See also bleeding. hemorrhagic adj
Medical dictionary. 2011.