brain->instinctive threat avoidance->"danger! Honorary professorial fellow, Department of Pharmacology, University of Melbourne, Honorary Fellow, Anaesthesia, Perioperative and Pain Medicine Unit, Melbourne Medical School, University of Melbourne. Why does this happen and how can you prevent it? Is it … I just received a very interesting question from Rick about dizziness after heart valve surgery. In the grand scheme of things, two months isn’t that long. This is precisely what you want when you’re having an invasive or painful procedure. I had endoscopic sinus surgery and septoplasty 10 days all was going smoothly until 3 days ago. SEE ALSO: 10 Essential Oils For Lichen Sclerosus. Rick writes, 'Adam - On August 7, 2009, I had mitral valve repair surgery. NO ONE can find a reason for my dizzy spells. They include: 1. I just received a very interesting question from Rick about dizziness after heart valve surgery. {{ links..." />