I67.848

Clinical Causes: Subarachnoid hemorrhage, particularly following a brain aneurysm rupture Trauma or injury to the brain or blood vessels Certain medical procedures involving the brain or blood vessels Inflammation of cerebral arteries (vasculitis) Use of certain medications, such as vasoconstrictors Severe stress or physical exertion Infections affecting the brain's blood vessels Other cerebrovascular disorders, including stroke or transient ischemic attack

Key Symptoms: Sudden headache, often described as a thunderclap headache Visual disturbances such as blurred vision or loss of sight Sudden weakness or numbness in limbs or face Difficulty speaking or understanding speech Dizziness or loss of balance Seizures in some cases Altered consciousness or confusion Neck stiffness or neck pain

Diagnosis Path: Diagnosis of cerebrovascular vasospasm involves a combination of clinical evaluation and imaging studies. Usually, a healthcare provider will perform neurological examinations to assess for weakness, speech difficulties, or other neurological deficits. Imaging technologies such as CT angiography, MR angiography, or cerebral angiography are typically used to visualize blood vessel narrowing or spasms. Additional tests may include blood work and cerebrospinal fluid analysis to rule out other underlying conditions. Early diagnosis is critical to prevent further neurological damage and initiate appropriate treatment.

Treatment Protocols: Medications such as calcium channel blockers (e.g., nimodipine) to prevent or reduce vasospasm Maintaining adequate blood pressure to promote optimal cerebral perfusion Endovascular procedures like angioplasty or administration of vasodilators directly into the blood vessels Managing underlying causes such as controlling blood pressure or treating infections Supportive care, including hydration and oxygen therapy Monitoring in intensive care units for severe cases