Dr. McLoud graduated from Boston College with a BS degree and received her MD. degree from McGill University Faculty of Medicine.  Her residency in Radiology was completed also at McGill University and Royal Victoria Hospital.  Dr. McLoud she completed a thoracic imaging fellowship in radiology at Yale University.  She has been a radiologist at MGH since 1976.  She is currently the Vice Chair for Education and residency program director in the Department of Radiology. She has served as a member of the Board of Trustees of MGH.  She has published over  200 scientific papers, reviews and chapters in thoracic imaging and education. 

She has served as President of the Radiologic Society of North America, the American Roentgen Ray Society and the Society of Thoracic Imaging. She is the recipient of gold medals from the ARRS and STR . RSNA. and the International Cancer Imaging Society..  She has received honorary membership in the Chilean Society of Respiratory Diseases, the Italian Society of Radiology in Medicine, the Spanish Society of Radiology , the Australian and New Zealand Society of Radiology, the  European Society of Radiology, the Austrian Society of Radiology, and Royal College of Medicine , division of radiology of the Republic of Ireland. 

Her research interests are in lung cancer imaging , computed tomography and interstitial lung disease.