Why the study?
Occlusion of the sinus node artery is rare, causes sinus node dysfunction, and usually occurs accidentally during PCI rather than spontaneously.
Design
Case report
Authors
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Rare sinus node artery occlusion may warrant ECG vigilance during proximal RCA PCI; leaves open questions on incidence and prevention.
This case highlights that occlusion of the sinus node artery can occur spontaneously, presenting as NSTEMI with specific ECG and echocardiographic findings, rather than solely as an iatrogenic complication of PCI.
Kr et al. (2021) studied this question.
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