This research laid the groundwork for the current paradigm of ECG use for prediction of sudden death.
In 1987, at the age of 29, he received his MD from Sydney University and FRACP from the Royal Australasian College of Physicians.
Mentored by Victor Chang, Kuchar was involved the heart transplant of Fiona Coote.
Kuchar made news in April 2007 when he noted that the new Lexus autolocking technology system could interfere with the settings of implantable defibrillators, with potentially fatal consequences.
In addition to his work in cardiology, Kuchar is a painter whose artwork has been published and shown in a number of Sydney locations.