I60.6

Clinical Causes: Intracranial aneurysms: abnormal bulging or ballooning of blood vessel walls can rupture spontaneously. Vascular malformations: abnormal tangles of blood vessels that are present from birth may bleed. Arteriovenous malformations (AVMs): abnormal connections between arteries and veins that can burst. Blood vessel disease: conditions such as vasculitis or arteriosclerosis weakening the vessel walls. Lifestyle factors: smoking, hypertension, or excessive alcohol use may increase risk. Genetic factors: familial conditions predisposing to vascular abnormalities. Other intracranial vessel pathologies: including rare vascular tumors or infections impacting arteries.

Key Symptoms: Sudden and severe headache, often described as the worst ever experienced. Neck stiffness or neck pain. Nausea and vomiting. Sensitivity to light (photophobia). Blurred vision or double vision. Loss of consciousness or fainting episodes. Seizures in some cases. Neurological deficits such as weakness, numbness, or confusion.

Diagnosis Path: Diagnosing this type of hemorrhage involves several medical evaluations. Imaging techniques are crucial to confirm bleeding and identify the source. These include: - Computed Tomography (CT) scan: usually the first test used to detect bleeding. - Lumbar puncture: may be performed if initial CT is inconclusive, to detect blood in cerebrospinal fluid. - Magnetic Resonance Imaging (MRI): provides detailed images of brain vessels. - Digital Subtraction Angiography (DSA): the gold standard for visualizing cerebral blood vessels and pinpointing bleeding sources.

Treatment Protocols: Treatment strategies focus on stabilizing the patient, controlling the bleeding source, and preventing complications. Approaches include: - Emergency hospitalization for close monitoring. - Surgical options such as clipping of aneurysms or removal of vascular malformations. - Endovascular procedures like coiling to occlude ruptured vessels. - Management of blood pressure to limit further bleeding. - Use of medications to control vasospasm or prevent secondary ischemic events. - Supportive care including pain relief, hydration, and management of neurological symptoms. - Rehabilitation services to address neurological deficits during recovery.