Using the process flowchart, label each component with a sequential reference number. 1  These reference numbers will be used throughout the FMEA process. 2  The marked-up flowchart will give you a powerful visual to refer to throughout the PFMEA.
Although vitamin D deficiency rickets is rare in the United States, children who are dark skinned and living in cloudy northern cities as well as children on restricted diets due to cultural or religious beliefs are more likely to develop this disorder.
CHARGE Syndrome is listed as a  rare disease  by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that CHARGE Syndrome, or a subtype of CHARGE Syndrome, affects less than 200,000 people in the US population. Source-National Institutes of Health (NIH). Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000.