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Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
Clinical spectrum of thunderclap headache
1Washington University, Washington University Headache Center, School of Medicine, 660 South Euclid Avenue, Box 8111, St Louis, MO 63011, USA. schwedtt@neuro.wustl.edu
Expert Review of Neurotherapeutics
|September 18, 2007
Summary
Thunderclap headaches demand urgent medical evaluation due to severe, rapid onset. Emerging research highlights reversible cerebral vasoconstriction syndromes as a key cause, alongside traditional concerns like subarachnoid hemorrhage.
Area of Science:
- Neurology
- Emergency Medicine
- Radiology
Background:
- Thunderclap headaches present with sudden, severe intensity within minutes.
- Prompt evaluation is critical due to potential for significant morbidity and mortality.
- Subarachnoid hemorrhage is a primary concern, but other causes are increasingly recognized.
Purpose of the Study:
- To review the diverse etiologies of thunderclap headaches.
- To highlight the growing list of potential causes, including reversible cerebral vasoconstriction syndromes.
- To emphasize the importance of emergent evaluation for thunderclap headache.
Main Methods:
- Literature review of thunderclap headache etiologies.
- Discussion of diagnostic findings, including cerebral imaging and noninvasive vascular techniques.
- Focus on recent advancements in understanding reversible cerebral vasoconstriction syndromes.
Main Results:
- The differential diagnosis for thunderclap headache is expanding rapidly.
- Reversible cerebral vasoconstriction syndromes (RCVS) are a significant and unifying diagnosis.
- RCVS involves reversible vasoconstriction of intracranial arteries presenting with thunderclap headache.
Conclusions:
- Thunderclap headaches require emergent assessment to rule out serious conditions.
- RCVS represents an important diagnostic category for thunderclap headaches.
- Advances in neuroimaging are crucial for identifying diverse causes of thunderclap headache.
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