McIlroy says heart irregularity 'not that big of a deal'
McIlroy said the heart issue is linked to a viral infection he acquired 18 months ago while in China, which will require an electrocardiogram every six months and an MRI once a year.
The Northern Irishman took to Instagram Saturday morning insisting the ailment isn't a major concern:
A post shared by RORY (@rorymcilroy) on Jan 12, 2018 at 7:30pm PST
The former world No. 1 will return to competitive golf after a four-month layoff next week at the Abu Dhabi Championship.
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