Workshop I: "Cardiac Operation" at the Cardiac Surgery Clinic at St. Ekaterina hospital   Workshop II: "Surgical procedures on small laboratory animals for investigation of hemodynamic and renal function" Bogdan Iliev - Laboratory of hemodynamic and renal function, Department of Physiology, Head: Professor Radoslav Girchev   Workshop III: "Surgical Stitching" This is an hands-on workshop of surgical stitching techniques under medical supervision. It offers you to develop and extend your surgical skills.(Part 1 and Part 2)   Workshop IV: "Doctors Without Borders - opportunities and perspectives" Doctors Without Borders/Médecins Sans Frontières (MSF) is an international medical humanitarian organization created by doctors and journalists in France in 1971.   Workshop V: "Transesophageal echocardiogram (TEE)" This is an alternative way to perform an echocardiogram. A specialized probe containing an ultrasound transducer at its tip is passed into the patient's esophagus. This allows image and Doppler evaluation which can be recorded.   Workshop VI: "Cardiopulmonary Resuscitation"