The Vel weak phenotype is due to a heterozygous deletion in the same exon, resulting one functional copy of the SMIM1 gene. If a patient who is Vel negative is transfused with Vel positive red blood cells, they may form anti-Vel alloantibodies.
Hearing aids need to be fitted by someone trained specifically in hearing problems. An audiologist or licensed hearing aid provider can make sure your hearing aids fit and work for your type and degree of hearing loss. You also need to consider cost.
To achieve the best results from a hearing aid, you and your child should meet with a certified audiologist to learn what to expectâthat is, what a hearing aid can and cannot do, and how to operate it. It is important to understand how hearing aids work and how to select, operate, and care for them.he behind-the-ear (BTE) hearing aid is the type of hearing aid most commonly recommended for infants and young children for a number of reasons, including: 1  It accommodates various earmold types. 2  The earmold detaches and can be easily remade as the child grows. 3  The earmold is easy to handle and can be easily cleaned.