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  • Title: [Headache and coronary disease].
    Author: Lanza GA, Sestito A.
    Journal: Recenti Prog Med; 2001; 92(7-8):467-70. PubMed ID: 11475791.
    Abstract:
    Myocardial ischemia usually results in typical anginal chest pain, but cardiac pain can occasionally only be referred to regions outside the thorax. Headache, however, is a very unusual expression of myocardial ischemia. Thus, the correct diagnosis of "cardiac headache" is difficult and requires a high dose of suspicion, but it can be crucial to avoid possible life-threatening events. The type and site of headache are not specific, but an episodic occurrence. A short duration and a relationship with exercise or emotional triggers should alert physicians on the possible cardiac origin of headache. Paradoxical relief and prevention of headache by sublingual nitrates are a strong clue to the diagnosis.
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