She is the Montreal General Hospital (MGH) Site Director of the Internal Medicine Residency Training Program. Her clinical focus is emergency/critical care medicine. Dr. Zanelli directs the Internal Medicine Emergency Room Consult Service at The Montreal General Hospital and spends a large proportion of her time working in the intensive care unit at the MGH. Dr. Zanelli is Co-Director of the MUHC Advanced Cardiac Life Support courses and the Annual Course in Drug Therapy.