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  2. Hypogammaglobulinemia - Wikipedia

    en.wikipedia.org/wiki/Hypogammaglobulinemia

    Screening of immunoglobulin levels in relatives of CVID and IgA patients finds a familial inheritance rate of 10% to 20%. In cases where a carrier of such a mutation would like to have children, preimplantation genetic diagnosis (PGD) has been offered. [2] PGD is defined as the testing of pre-implantation stage embryos or oocytes for genetic ...

  3. Immunoglobulin G - Wikipedia

    en.wikipedia.org/wiki/Immunoglobulin_G

    Immunoglobulin G (IgG) is a type of antibody. Representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation . [ 1 ] IgG molecules are created and released by plasma B cells .

  4. Common variable immunodeficiency - Wikipedia

    en.wikipedia.org/wiki/Common_variable...

    Common variable immunodeficiency (CVID) is an inborn immune disorder characterized by recurrent infections and low antibody levels, specifically in immunoglobulin (Ig) types IgG, IgM, and IgA. [2] Symptoms generally include high susceptibility to pathogens, chronic lung disease, as well as inflammation and infection of the gastrointestinal ...

  5. Dysgammaglobulinemia - Wikipedia

    en.wikipedia.org/wiki/Dysgammaglobulinemia

    IgG deficiency - IgG deficiency is a lack of IgG in the absence of other immunoglobulin deficiencies. IgG levels of 300–600 mg/dL show a mild to moderate reduction of IgG while levels below 200 mg/dl are classified as a severe deficiency. [6] Those with IgG deficiency often get chronic or reoccurring pyogenic respiratory tract infections. [7]

  6. IgG deficiency - Wikipedia

    en.wikipedia.org/wiki/IgG_deficiency

    IgG deficiency is a form of dysgammaglobulinemia where the proportional levels of the IgG isotype are reduced relative to other immunoglobulin isotypes. IgG deficiency is often found in children as transient hypogammaglobulinemia of infancy , which may occur with or without additional decreases in IgA or IgM .

  7. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    For most substances presented, the optimal levels are the ones normally found in the population as well. More specifically, optimal levels are generally close to a central tendency of the values found in the population. However, usual and optimal levels may differ substantially, most notably among vitamins and blood lipids, so these tables give ...

  8. The 6 most common headache types — and when to see a doctor

    www.aol.com/6-most-common-headache-types...

    Headaches are one of the most common medical conditions, with 96% of people having at least one in their lifetime, according to Cleveland Clinic. About 40% of people globally experience what are ...

  9. Autoimmune pancreatitis - Wikipedia

    en.wikipedia.org/wiki/Autoimmune_pancreatitis

    Increased serum levels of gamma globulins, immunoglobulin G (IgG) or IgG4. The presence of serum autoantibodies such as anti-nuclear antibody (ANA), anti-lactoferrin antibody, anti-carbonic anhydrase II antibody, and rheumatoid factor (RF). Contrast-enhanced CT demonstrates a diffusely enlarged (sausage-shaped) pancreas.