Where it is alleged that the defendant’s failure to diagnose the decedent prior to their discharge cost them an opportunity for treatment which may have prevented their death, the plaintiff has sufficiently alleged proximate cause for medical negligence.The 1st District Appellate Court reversed and remanded the decision of Cook County Circuit Judge Patricia O’Brien Sheahan.Shiqian Bao suffered a sudden and severe headache on July 10, 2013, requiring her to be taken by ambulance to the emergency department of …