A newborn girl with complex congenital heart disease suffered a cardiac arrest before doctors discovered she had been injected with excessive potassium in a suspected medical blunder at the Hong Kong Children’s Hospital.The incident had no “apparent adverse effect” on the baby as she was already connected to a life support machine, a hospital spokesman said on Thursday, but a panel would investigate the reason for her high potassium levels.“The hospital is very concerned about the event, and…

This post was originally published on South China Morning Post.