Subarachnoid haemorrhage (SAH): clinical features
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Subarachnoid haemorrhage (SAH): clinical features. This occurs in 14% of cases. Most occur in the preceding 2 weeks. Fully referenced neurology checklist.
Sentinel headache
- This occurs in 14% of cases
- Most occur in the preceding 2 weeks
- It is probably caused by minor bleeding
- It does not influence the clinical course or outcome of SAH
Ictal headache
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Loss of consciousness
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Sudden death: predictors
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Terson syndrome
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Other clinical features
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References
- Cuvinciuc V, Viguier A, Calviere L, et al. Isolated acute nontraumatic cortical subarachnoid hemorrhage. Am J Neuroradiol 2010; 31:1355-1362.
- Kumar S, Goddeau RP, Selim MH, et al. Atraumatic convexal subarachnoid hemorrhage: clinical presentation, imaging patterns, and etiologies. Neurology 2010; 74:893-899.
- van Gijn J, Rinkel GJ. Subarachnoid haemorrhage: diagnosis, causes and management. Brain 2001; 124:249-278.
- Viarasilpa T, Ghosh P, Gidwani S, et al. Prognostic significance of sentinel headache preceding aneurysmal subarachnoid hemorrhage. World Neurosurg 2020; 139:e672-e676.
- Mac Grory B, Vu L, Cutting S, Marcolini E, Gottschalk C, Greer D. Distinguishing characteristics of headache in nontraumatic subarachnoid hemorrhage. Headache 2018; 58:364-370.
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