Senior doctors will be walking off the job in May, looking for a 12 percent pay rise. 

The Association of Salaried Medical Specialists announced a 24-hour strike would take place starting on May 1.

It could affect 4300 planned procedures or first specialist appointments - and up to 4300 radiology appointments. 

Association executive director Sarah Dalton says claims specialists make more than $300,000 dollars a year are wrong. 

"It's probably closer to $240,000 - which still sounds like a lot, right? But we have to think about what senior doctors actually do."

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