DISEASE SCANNER
Global Incurable Diseases Tracker
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Neurological Disease
Subarachnoid Hemorrhage
HIGH SEVERITY
Bleeding into the subarachnoid space between the brain and surrounding membrane. Usually caused by ruptured cerebral aneurysm. Medical emergency with high mortality. Classic 'thunderclap' headache.
Global Affected
500.0K
Countries
16
Symptoms
Sudden severe headache
Neck stiffness
Nausea
Vomiting
Loss of consciousness
Seizures
Photophobia
Confusion
Treatment Options
Surgical clipping
Endovascular coiling
Ventriculostomy
Nimodipine
Anti-seizure medications
Blood pressure control
Rehabilitation
Treat hydrocephalus
Risk Factors
1Cerebral aneurysm
2Hypertension
3Smoking
4Family history
5Polycystic kidney disease
6Female gender
7Age 40-60
8Drug abuse (cocaine)
Diagnostic Methods
- 1CT scan (emergency)
- 2Lumbar puncture
- 3CT angiography
- 4Digital subtraction angiography
- 5MRI/MRA
- 6Transcranial Doppler
Prognosis
Guarded. 10-15% die before reaching hospital. 40% mortality overall. Of survivors, 50% have permanent neurological deficits. Early treatment improves outcomes significantly.
Prevention
- Blood pressure control
- Smoking cessation
- Screening if family history
- Avoid illicit drugs
- Treat unruptured aneurysms
- Regular monitoring
Research Status
Emergency treatment to secure aneurysm (clipping or coiling). Prevention of vasospasm and hydrocephalus. Nimodipine to prevent vasospasm. Intensive care management critical.
Affected Countries
Sources
- https://www.mayoclinic.org/diseases-conditions/stroke/symptoms-causes/syc-20350113
- https://www.ncbi.nlm.nih.gov/books
- https://www.mayoclinic.org/diseases-conditions
- https://rarediseases.org/rare-diseases
Medical Disclaimer
This information is for educational purposes only. Always consult healthcare professionals for medical advice, diagnosis, and treatment.