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Most of the previous studies reported a single SA nodal artery.
The study alleviates the fear of SSA causing more rhythm disturbances than LAA due to the transection of the nodal artery and reiterates what many other studies have also found out - that in fact most of these rhythm disturbances are transient and revert to normal, as is the case with LAA.
Sinuatrial nodal artery (SAN) arose from the RCA in 70 per cent and from the circumflex artery (CX) in 30 per cent of instances.