Medical education is a multi-tiered process combining academic study, practical exposure, and specialized training over many years. Prior to medical school admission, students often complete a four-year undergraduate program focused on science subjects including biology, chemistry, physics, and mathematics to meet prerequisites. Some universities also offer pre-medical tracks to better prepare candidates for the rigor ahead.
Medical school itself spans four years of intense study and clinical practice. The initial two years focus on foundational medical sciencesβsuch as anatomy, biochemistry, microbiology, pharmacology, and pathologyβalongside courses on medical ethics and communication skills. Teaching methods include lectures, laboratory work, and problem-based learning.
The third and fourth years immerse students in clinical rotations across hospital departments. Typical rotations include internal medicine, surgery, pediatrics, obstetrics and gynecology, psychiatry, and emergency medicine. These rotations provide hands-on experience in patient histories, physical exams, diagnostic techniques, decision-making, and medical procedures.
Post-medical school, graduates enter residency programs accredited by governing bodies such as the Accreditation Council for Graduate Medical Education (ACGME) in the U.S. Residency length varies from three years in general internal medicine to seven years for surgical subspecialties. During residency, doctors progressively manage more complex patient cases under supervision while gaining procedural skills relevant to their specialty.
Beyond residency, some hospital doctors pursue fellowships to subspecialize furtherβfor example, cardiology, hematology, or critical careβadding 1-3 years of focused training. Most countries require doctors to pass licensing exams, such as the USMLE series in the United States, to legally practice medicine. Additionally, clinical skills certifications such as Advanced Cardiovascular Life Support (ACLS) and Basic Life Support (BLS) are standard prerequisites.
Continuous medical education post-training ensures doctors stay current amidst rapidly evolving medical knowledge and technologies. Hospitals may also provide in-service training on new protocols, digital records systems, and patient safety initiatives, emphasizing the lifelong learning nature of this career.