By the way - What is EMC? EMC - a definition. EMC means nothing more than an electronic or electrical product shall work as intended in its environment. The electronic or electrical product shall not generate electromagnetic disturbances, which may influence other products. In other words, EMC deals with problems of noise emission as well as noise immunity of electronic and electrical products and systems.
Clostridium difficile (C. difficile) is a type of bacteria that is associated with diarrhea resulting from antibiotic use. C. difficile testing and C. difficile toxin tests identify the presence of these bacteria and detect the toxins produced by them.
Diagnosis and management. The Dix-Hallpike maneuver is the standard clinical test for BPPV. The finding of classic rotatory nystagmus with latency and limited duration is considered pathognomonic. A negative test result is meaningless except to indicate that active canalithiasis is not present at that moment.