acquired aneurysmal subarachnoid hemorrhage
Findings
No curated finding names acquired aneurysmal subarachnoid hemorrhage yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A serious, life threatening rare neurologic disease characterized by a sudden rupture of an intracranial aneurysm into the subarachnoid space. It usually presents with a sudden, severe, excruciating headache accompanied by nausea, vomiting and syncope. Other features may include focal neurological signs, third and sixth nerve palsies, seizures and cardiac failure. Early complications include rebleeding, hydrocephalus, and seizures.
Definition from the Mondo Disease Ontology (MONDO:0019543), read 2026-09-29. CC BY 4.0.
Features
34 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal cerebral artery morphologyHPOHP:0009145
- Very frequent (80% to 99% of cases)
- Cerebral hemorrhageHPOHP:0001342
- Frequent (30% to 79% of cases)
- Cognitive impairmentHPOHP:0100543
- Frequent (30% to 79% of cases)
- ComaHPOHP:0001259
- Frequent (30% to 79% of cases)
- Constriction of peripheral visual fieldHPOHP:0001133
- Frequent (30% to 79% of cases)
- HeadacheHPOHP:0002315
- Frequent (30% to 79% of cases)
- Hypertension
Show the remaining 22
- Addictive alcohol useHPOHP:0030955
- Occasional (5% to 29% of cases)
- Cerebral ischemiaHPOHP:0002637
- Occasional (5% to 29% of cases)
- Congestive heart failureHPOHP:0001635
- Occasional (5% to 29% of cases)
- Cranial nerve paralysisHPOHP:0006824
- Occasional (5% to 29% of cases)
- Functional motor deficitHPOHP:0004302
- Occasional (5% to 29% of cases)
- HydrocephalusHPOHP:0000238
- Occasional (5% to 29% of cases)
Where it sits
- A kind of