"To ensure correct operation you are purposefully running the chips at higher power than you need to, " he said.

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The prop was out of rugby for more than two months after undergoing an operation to correct an irregular heartbeat in October.

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Fraser was born with the congenital liver defect biliary atresia, and when he was just six- weeks-old he underwent an operation to correct the problem.

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Wright's friend Rick Hession has a heart condition that could cause a stroke, but he has a three-month wait or more for an operation to help correct it.

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The full-back will have an operation on Thursday to correct the problem.

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Community workers and traditional healers can be trained to do the operation safely and given the correct tools.

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After he told the story in our M and M meeting, the hospital implemented a "time out" protocol in the operating room for everyone to stop and agree on what operation would be performed, on what side of the body and whether the correct patient was indeed lying on the operating table, to make sure that kind of mistake would never happen again.

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