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.
Hearing aids help people whoâve experienced hearing loss enjoy a better quality of life â but the devices can be expensive. The average price of one hearing aid is $2,300. Most people need two, doubling the cost. If your health insurer doesnât offer coverage, youâll want to have enough money in savings or a good cash-back credit card to cover the expense. The total cost depends on the type of hearing aid, its features and the level of professional services. Cost breakdown Typically, the hearing aid itself makes up only one-third of the total cost; professional fees and services account for the rest.