Tiesto In case anyone is interested... On Tuesday, September 19th, Tiësto complained of chest pains and shortness of breath. As a result, he was hospitalized in the Netherlands for medical testing. Early indications are that he is suffering from a condition known as 'pericarditus.' The doctors are confident that he will make a complete recovery through the use of medication and rest. At this date it is uncertain as to how long it will take for Tiësto to recuperate. He will be kept at the hospital for a couple of days for further testing and rest. Aside from the pain in his chest he is feeling fine and is fully confident that he will be back to work soon (taken from tiesto.com)