Cerebral Aneurysm

A cerebral aneurysm is a weak spot in a brain artery that bulges outward. Most are asymptomatic, but rupture causes a sudden severe headache and is a medical emergency.

Table of Contents

Quick Facts

  • ICD-10: I67.1
  • Risk: Subarachnoid hemorrhage

Rupture Is an Emergency

Call 911 for:
  • Sudden, severe 'worst headache of life'
  • Neck stiffness
  • Vision changes, vomiting, seizure
  • Loss of consciousness

Risk Factors

  • Smoking
  • High blood pressure
  • Family history
  • Polycystic kidney disease
  • Connective tissue disorders
  • Female sex, older age

Treatment

  • Observation for small, low-risk unruptured aneurysms
  • Surgical clipping
  • Endovascular coiling or flow diverters
  • Blood pressure control, smoking cessation

Related Conditions

Stroke

Possible consequence

 Aortic Aneurysm

Different aneurysm type
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Heart Association. Brain Aneurysm Resources.