Epidemiology is concerned with the incidence of disease in populations and does not address the question of the cause of an individual's disease.This question, sometimes referred to as specific causation, is beyond the domain of the science of epidemiology.he subdiscipline of forensic epidemiology is directed at the investigation of specific causation of disease or injury in individuals or groups of individuals in instances in which causation is disputed or is unclear, for presentation in legal settings.
Major system characteristics. Tacan stands for Tactical Air Navigation and is a system which, working in the u.h.f. band, between 962 and 1,214 Mc/s, gives to a pilot continuous information as to his range and bearing from a beacon.
TAVR or TAVI stands for transcatheter aortic valve replacement. It is an exciting technology that allows physicians to fix a severely narrowed aortic valve (aortic stenosis) without opening up the patient's chest. What is aortic stenosis? Aortic stenosis is a condition that results from narrowing of the aortic valve of the heart. This valve normally allows blood flow to be pumped from the main chamber of your heart to the rest of your body.