Diagnosis of Infections

Medical diagnosis is the process of determining which disease or condition explains a person's symptoms and signs. Laboratory tests may identify organisms directly (e.g., visually, using a microscope growing the organism in culture) or indirectly (e.g., identifying antibodies to the organism). General types of tests include microscopy, culture and immunologic tests (agglutination tests such as latex agglutination, enzyme immunoassays, western blot, precipitation tests and complement fixation tests) and nucleic acid/ non nucleic acid based identification methods. Sub types of diagnoses include clinical, laboratory, radiology, principal and admitting diagnosis. Advanced methods have been implemented to diagnose the infection in any part of the body. Examples include biomarkers/ elisa test/ chest x ray/ skin biopsy/ tympanometry and tympanocentesis.

Diagnosis of an infection can be done by laboratory tests (blood test, urine test, throat swabs, stool sample, spinal tap (lumbar puncture), imaging procedures like x ray, computerised tomography, magnetic resonance and biopsies.

  • Microscopy and culture
  • Clinical tests
  • Laboratory tests
  • Serological tests
  • Immunological tests
  • Nucleic acid and non nucleic acid based identification methods
  • Radiology
  • Biomarkers
  • Elisa test
  • Chest x ray
  • Tympanometry
  • Tympanocentesis
  • Novel diagnostics
  • Antigen and antibody assay
  • Vaccine vectors

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