Diagnostic criteria

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Diagnostic criteria

Diagnostic criteria (pronunciation: /daɪəɡˈnɒstɪk kraɪˈtɪəriə/) are a set of conditions or characteristics that must be met or present in a patient for a particular disease or condition to be diagnosed. These criteria are typically established by medical professionals and organizations, and are used to ensure consistency and accuracy in diagnoses.

Etymology

The term "diagnostic criteria" is derived from the Greek words "diagnosis" (meaning "knowledge through examination") and "kriterion" (meaning "a standard for judgment").

Related terms

  • Differential diagnosis: The process of distinguishing a particular disease or condition from others that present with similar clinical features.
  • Clinical diagnosis: A diagnosis based on the medical history and physical examination of the patient, without the aid of laboratory tests or imaging studies.
  • Laboratory diagnosis: A diagnosis made based on the results of laboratory tests.
  • Radiologic diagnosis: A diagnosis made based on the findings of imaging studies, such as X-rays, CT scans, or MRI scans.
  • Pathologic diagnosis: A diagnosis made based on the microscopic examination of tissue samples.

Diagnostic criteria in practice

In clinical practice, diagnostic criteria are often used in conjunction with other diagnostic tools, such as medical history, physical examination, and laboratory tests. They are particularly important in the diagnosis of complex or rare diseases, where the symptoms may be nonspecific or overlap with other conditions.

Diagnostic criteria are typically published in medical textbooks and guidelines, and are regularly updated as new research and evidence become available. Some well-known sets of diagnostic criteria include the DSM-5 criteria for psychiatric disorders, the Rome IV criteria for functional gastrointestinal disorders, and the ACR criteria for rheumatic diseases.

See also

External links

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