… , the normal body performances are altered resulting in some serious health issues with
confusing etiology such as chronic kidney disease of unknown etiology (CKDu) [19–21]. …

… Type III occurs only during sleep and is a pattern of ventilation and SPO2 cycling caused by
instability of ventilation and/or upper airway control followed by precipitous and fatal oxygen …

… The investigations indicated a multifactorial etiology of the outbreak and showed that debris
and thus possibly patient material were likely to have been transported onto sealed off areas…

… trips) of the staff and systems required to implement these objectives; (iii) a process for data
collection via “event reports,” which themselves are a quality improvement tool for root cause …

… developing regionspecific hypotheses for the root causes using selected geographies. Theses
… and etiology of this chronic kidney disease is still considered uncertain or unknown and …

… of initially unknown etiology, which are PHEs for which the cause … Categorization of PHEs
of initially unknown etiology Between … categorized as being of unknown etiology. Once there is …

… Glaser et al (22) was the first to contend that the root cause of paraplegia, following
lumbar … to an artery of Adamkiewicz (ARM) injury as the etiology. The third case is a 62-year-old …

… Two of five with magnetic resonance imaging of the lumbosacral region had gadolinium
enhancement of the ventral nerve roots of the cauda equina. Eight children were up to date on …

… a disease of “unknown etiology,” which is viewed as a tentative disease trait until suitable …
that provide symptom-relief without targeting the root cause of disease. Symptom-based …

… identifiable cause for the anemia Citation5–Citation7 . In a study evaluating the etiology of
… aged 65 years and older, anemia of unknown etiology (AUE) accounted for 43.7% of the …