Observership, externship, clerkship, audition, virtual, or research — AMO offers every clinical rotation format across 70+ specialties. Here's how they differ and which one is right for you.
Shadow U.S. physicians as they treat patients. You observe consultations, examinations, and procedures but do not directly participate in patient care.
Hands-on participation in patient care under direct physician supervision. You take histories, assist with exams, and present cases.
Core rotation in a specialty (internal medicine, surgery, pediatrics, etc.). Full clinical immersion at hospital teaching service level.
Intensive, intern-level rotation typically at residency programs you're applying to. You function like a first-year resident with appropriate supervision.
Telehealth-based clinical experience via secure video. You observe consultations, participate in case discussions, and meet with attendings remotely.
Lab-based research alongside a U.S. research team. Publish or co-author. Strengthens applications for research-heavy specialties.
Hands-on experience builds the strongest application. Pair an externship for clinical exposure with an audition rotation at a target residency program.
Use AMO electives to explore specialties your home school doesn't offer. Move into sub-internships during M4 application season.
Observerships document the clinical hours AMCAS expects. Virtual rotations let you continue exposure during the school year.
Virtual rotations slot around your study schedule. Research adds depth for competitive specialties and gap-year applicants.
Observerships are non-hands-on. You watch the physician work but do not participate in patient care. Externships are hands-on under supervision — you take histories, assist with exams, and present cases. Both count as USCE for the Match, but externships generally carry more weight on ERAS.
Electives are usually 4-week M4 rotations chosen for interest, specialty exploration, or audition purposes. Sub-internships are intern-level rotations where you function much like a first-year resident with appropriate supervision. Sub-Is are more demanding and carry more weight on residency applications.
For AMCAS (pre-med), yes — virtual rotations count as clinical experience hours if documented. For ERAS (residency), virtual rotations count as USCE but typically carry less weight than in-person clinical work. Use them strategically between in-person blocks.
Most AMO rotations run 2–4 weeks per block. Clerkships and clinical immersions can be longer (4–12 weeks). Virtual and research formats are flexible.
Yes, and most successful applicants do. A common pattern: observership early in the process to build exposure, externship/clerkship for hands-on credit, then audition rotations or research to strengthen Match applications.
Yes. Every AMO rotation includes a Letter of Evaluation from your supervising U.S. physician upon successful completion, regardless of format.
Browse 280+ rotations across every format and 70+ specialties. Filter by what fits your goals and apply directly.