Common heart attack signs and symptoms include: 1  Pressure, tightness, pain, or a squeezing or aching sensation in your chest or arms that may spread to your neck, jaw or back. 2  Nausea, indigestion, heartburn or abdominal pain. 3  Shortness of breath.  Cold 1  sweat. Fatigue.  Lightheadedness or sudden dizziness.
Training in a Residency or Fellowship. Admission Requirements for Medical School. Medical school admission requirements vary from school to school. In general, before applying to medical school, students should complete the Medical College Admission TestÂ® (MCATÂ®), and demonstrate that they can handle rigorous coursework.
Educational Requirements. Doctors of infectious diseases need nine to ten years of training in order to practice, not including any undergraduate education. This includes four years of medical school, three years of training as a doctor of internal medicine and two years of specialized training in infectious disease.