Highlights coronary artery spasm as a potential etiology for paroxysmal atrial fibrillation via sinus node ischemia.
May link coronary spasm to paroxysmal AF via sinus node ischemia in rare cases; hypothesis-generating and requires prospective validation.
Paroxysmal atrial fibrillation is described in a patient that was consistent with the clinical history developed after induction of coronary artery spasm. The mechanism appeared to be sinus node artery spasm inducing sinus node ischemia. Coronary artery spasm can be a cause of paroxysmal atrial fibrillation.
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Hung et al. (2001) studied this question.
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