MS4 is very different in the structure to MS3, because now you have a choice of what electives you would like to do. At RUSM, a student is required to complete 36 weeks (of which 12 are Internal Medicine electives). I chose to do 9 of the 4-week electives to make it easier for me to keep track. Below are the names of the electives and at location I completed them at. 1. Infectious Disease, St. John's Episcopal Hospital in Far Rockaway, Queens (N.Y.) 2. Cardiovascular Disease, Mount Sinai Hospital in Chicago, Illinois 3. Sub-Internship in Medicine, Staten Island University Hospital in Staten Island, N.Y. 4. Radiology, Staten Island University Hospital in Staten Island, N.Y. 5. Cardiology, University of Miami Gordon Center in Miami, Florida 6. Anesthesia, Jamaica Hospital Medical Center in Jamaica, Queens (N.Y.) 7. Sub-Internship in Medicine, Jamaica Hospital Medical Center in Jamaica, Queens (N.Y.) 8. Sub-Internship in Medicine, Flushing Hospital Medical Center in Flush...