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The IMHA was founded on June 17, 1997, during the 4th ISMH in Oslo, Norway chaired by Mohammed Saeme, who was also its first president. [1] [2] IMHA develops standards aim to improve the maritime health practices internationally, coordinating with national maritime authorities, the maritime industry, unions, and other international organizations.
A positive direct antiglobulin test differentiates immune-mediated hemolytic anemia from a nonimmune-mediated cause. Other situations such as liver disease, post-transfusion or immunoglobulin administration, renal disease, and malignancy can cause a positive direct antiglobulin test. [1]
Diagnosis is made by first ruling out other causes of hemolytic anemia, such as G6PD, thalassemia, sickle-cell disease. Clinical history is also important to elucidate any underlying illness or medications that may have led to the disease. [citation needed] Laboratory investigations are carried out to determine the etiology of the disease.
Cold agglutinins, or cold autoantibodies, occur naturally in nearly all individuals. These natural cold autoantibodies occur at low titers, less than 1:64 measured at 4 °C, and have no activity at higher temperatures. Pathologic cold agglutinins occur at titers over 1:1000 and react at 28-31 °C and sometimes at 37 °C.
Secondary cold agglutinin syndrome occurs when autoantibodies bind to red blood cells, rendering them subject to attack by the complement system. [17] It is a result of an underlying condition potentially associated with either monoclonal cold-reacting autoantibodies or polyclonal cold-reacting autoantibodies [16] predominantly caused by infection or lymphoproliferative disorders. [16]
IMHA or Imha may refer to: Immune-mediated hemolytic anemia , an immune disorder, typically in dogs International Maritime Health Association , concerned with the health of maritime workers
Diagnosis of Evans syndrome is separated into primary and secondary presentation. There is no single test to confirm a diagnosis of either form of Evans syndrome. It is instead a diagnosis made after a thorough clinical history, documentation of common symptoms, clinical evaluation, and exclusion of all other possible conditions. [1]
In health care, diagnosis codes are used as a tool to group and identify diseases, disorders, symptoms, poisonings, adverse effects of drugs and chemicals, injuries and other reasons for patient encounters. Diagnostic coding is the translation of written descriptions of diseases, illnesses and injuries into codes from a particular classification.