Why are some patients hard to diagnose? Surely you can just run every test - doctors refuse to because they don't want to spend money, right?! Not quite. A millionaire patient asked me; if he was willing to pay, why not send off every possible test on him so we'd definitely find out what's wrong? It's a deceptively complex question. So towards the end of a nightshift, delirious from sleep-deprivation and mainlining coffee into my jugular, I had a crack at explaining. Let me know what you think! This video makes a nod towards Bayesian inference - arising from Bayes' theorem. Thomas Bayes is a towering figure in statistical analysis and continues to have a huge legacy in the modern world. ------------ More Medlife Crisis: http://www.medlifecrisis.co.uk/ https://twitter.com/medcrisis https://www.facebook.com/Medlifecrisis https://www.instagram.com/medcrisis