I77.71

Clinical Causes: Trauma or injury to the neck, such as car accidents, sports injuries, or frequent neck movements Certain connective tissue disorders like Marfan syndrome or Ehlers-Danlos syndrome Sudden or strenuous neck movements, including chiropractic manipulations Underlying arterial abnormalities, such as atherosclerosis Infections affecting the arterial walls Genetic predispositions to vessel weakness Certain medical procedures involving the neck or blood vessels

Key Symptoms: Sudden severe headache, often described as the worst ever experienced Neck pain or stiffness localized to the side of the dissection Partial or complete loss of vision in one eye Sudden weakness or numbness in the face, arm, or leg, typically on one side Dizziness, loss of balance, or difficulty walking Speech difficulties or trouble understanding speech A pulsating sensation in the neck

Diagnosis Path: Diagnosis generally involves a combination of clinical evaluation and imaging tests, including: - Magnetic Resonance Angiography (MRA) - Computed Tomography Angiography (CTA) - Ultrasound Doppler studies - Conventional angiography in some cases Laboratory tests are typically not definitive but may be used to rule out other conditions. Prompt evaluation is crucial if a dissection is suspected, as early diagnosis improves outcomes.

Treatment Protocols: Treatment strategies aim to prevent stroke and manage symptoms, often involving: - Blood-thinning medications like anticoagulants or antiplatelet agents to prevent clot formation - Blood pressure control to reduce stress on arterial walls - Close monitoring of neurological status - Surgical intervention or endovascular procedures, such as stenting or stent-assisted angioplasty, in severe cases - Lifestyle modifications, including avoiding activities that may further damage the arteries In some cases, hospitalization may be required for intensive monitoring and management, especially shortly after diagnosis.