Coronary artery spasm should be considered as a potential cause of sudden cardiac death in previously asymptomatic individuals, and ergonovine provocation may be warranted in unexplained cases.
Hypothesis-generating for spasm in unexplained young SCD; leaves open need for prospective validation before routine provocation testing.
The true incidence of sudden cardiac death (SCD) from coronary artery spasm is unknown. The following case involves SCD in a previously asymptomatic young man with reasonable evidence to implicate coronary artery spasm as a potential cause for his clinical event. Ergonovine provocation may be warranted in patients who present with SCD and no discernable cause.
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Tecce et al. (1994) studied this question.
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