Thunderclap headache

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A thunderclap headache is a sudden and severe headache.[1] Since it is sometimes a sign of a medical emergency, one should "seek immediate medical attention for any headache that comes on suddenly and severely."[1]

The name "thunderclap" signifies the intensity and acuity of such headaches. In 25% of cases, a thunderclap headache is an indication of aneurysmal subarachnoid hemorrhage (SAH), which often leads to death or severe disability.[2] Headaches which accompany SAH are "frequently described as being the worst headache of one's life, although other clinical presentations are possible."[3]

Diagnosis is made via a process of exclusion with accompanying negative computed tomograph and lumbar puncture results.

[edit] References

  1. ^ a b Thunderclap headaches. Mayo Clinic. Retrieved on November 27, 2006.
  2. ^ Linn, F H H; G J E Rinkel, A Algra, J van Gijn (November 1998). "Headache characteristics in subarachnoid haemorrhage and benign thunderclap headache". Journal of Neurology, Neurosurgery and Psychiatry 65: 791-793. Retrieved on 2007-01-09. 
  3. ^ Evidence-Based Diagnosis of Nontraumatic Headache in the ER. Medscape. Retrieved on November 27, 2006.
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