Disease or Syndrome
subarachnoid hemorrhage
[ suhb-uh-rak-noid hem-er-ij, hem-rij ]
Subclass of:
Intracranial Hemorrhage
Definitions related to subarachnoid hemorrhage:
-
A hemorrhagic stroke that occurs when a blood vessel on the surface of the brain bursts and bleeds into the space between the brain and the skull; usually caused by an aneurysm or other blood vessel malformation.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
-
Bleeding into the intracranial or spinal SUBARACHNOID SPACE, most resulting from INTRACRANIAL ANEURYSM rupture. It can occur after traumatic injuries (SUBARACHNOID HEMORRHAGE, TRAUMATIC). Clinical features include HEADACHE; NAUSEA; VOMITING, nuchal rigidity, variable neurological deficits and reduced mental status.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
-
Hemorrhage occurring between the arachnoid mater and the pia mater.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
-
Hemorrhage within the intracranial or spinal subarachnoid space.CRISP ThesaurusNational Institutes of Health, 2006
-
Intracranial hemorrhage into the subarachnoid space.NCI ThesaurusU.S. National Cancer Institute, 2021
-
Subarachnoid hemorrhage is sudden bleeding into the subarachnoid space. The most common cause of spontaneous bleeding is a ruptured aneurysm. Symptoms include sudden, severe headache, usually with loss or impairment of consciousness. Secondary vasospasm (causing focal brain ischemia), meningismus, and hydrocephalus (causing persistent...Merck & Co., Inc., 2020
-
The term subarachnoid hemorrhage (SAH) refers to extravasation of blood into the subarachnoid space between the pial and arachnoid membranes. SAH constitutes half of all spontaneous atraumatic intracranial hemorrhages; the other half consists of bleeding that occurs within the brain parenchyma.WebMD, 2019
-
A subarachnoid hemorrhage is bleeding in the space between your brain and the surrounding membrane (subarachnoid space). The primary symptom is a sudden, severe headache. The headache is sometimes associated with nausea, vomiting and a brief loss of consciousness.Mayo Foundation for Medical Education and Research
-
Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space and is an emergency. The most common cause of nontraumatic SAH is intracranial aneurysm. Aneurysmal SAH causes substantial morbidity and mortality. When a cerebral aneurysm ruptures, blood flows into the subarachnoid space, sometimes seeping into brain parenchyma...Athenahealth, Inc., 2019
-
Subarachnoid hemorrhage, bleeding into the space between the two innermost protective coverings surrounding the brain, the pia mater and the arachnoid mater. A subarachnoid hemorrhage most often occurs as the result of significant head trauma and is usually seen in the setting of skull fractures or...Encyclopedia Britannica, Inc., 2020
Return to OpenMD Medical Dictionary
> S
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.