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Start free with EleplanAcquired aneurysmal subarachnoid hemorrhage
ORPHA:90065Particular clinical situation in a disease or syndrome
What it is
A rare, 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.
Key facts
- Prevalence
- 1-5 / 10 000 (Europe)
- Age of onset
- All ages
- Inheritance
- Not applicable
- Classified as
- Particular clinical situation in a disease or syndrome
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Common30–79%
11Sometimes5–29%
21- Alcoholism
- Cerebral ischemia
- Congestive heart failure
- Cranial nerve paralysis
- Functional motor deficit
- Hydrocephalus
- Hypercholesterolemia
- Hyperglycemia
and 13 more in this range
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Benefit programs to look at
Programs whose eligibility touches the same ICD-10 categories. Eligibility is decided by the administering agency, never by this page.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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