Excruciatingly painful primary headache disorder
Infrequent cause of ED visits and affects only 0.1% of the population
Often has abated by time of presentation
Attacks last between 15 a...
Unilateral pain (usually does not change sides between headaches)
Sharp, stabbing, boring
Acute onset and builds in intensity quickly with climax at 5–15 min
Recognize more severe life-threatening causes of headache
Administration of oxygen by face mask may alleviate symptoms
Rule out life-threatening causes...
Persistent headache unresponsive to usual measures
Unclear headache diagnosis
Patients with moderate to complete pain relief, a normal neurologic...
History is essential to diagnose cluster headache as pain may be improved upon presentation
100% oxygen should be the 1st treatment initiated
Cluster headaches may be so severe that ...
Cohen AS, Burns B, Goadsby PJ. High-flow oxygen for treatment of cluster headache: A randomizedtrial. JAMA. 2009;302:2451–2457.
Friedman BW, Grosberg BM. Diagnosis and mana...
339.00 Cluster headache syndrome, unspecified
339.01 Episodic cluster headache
339.02 Chronic cluster headache
G44.009 Cluster headache syndrome, unspecified, not intractable
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