The process of identifying a disease, condition, or problem by examining its symptoms, signs, and relevant medical history. It involves the use of various tests, tools, and procedures to pinpoint the underlying cause of an ailment.
A record of a patient’s past illnesses, injuries, treatments, and ongoing health issues. It provides valuable insights into a patient’s health status and aids in the diagnostic process.
Observable or subjective indications of a disease or disorder experienced by a patient, such as pain, fever, cough, or fatigue. Symptoms serve as crucial clues for healthcare professionals in diagnosing medical conditions.
Objective evidence of a disease or abnormality observed by healthcare providers during physical examination or through diagnostic tests. Signs may include abnormalities in vital signs, physical appearance, or laboratory findings.
Procedures or techniques used to detect, confirm, or rule out a disease or condition. These tests encompass a wide range of methods, including imaging studies, blood tests, genetic tests, and biopsy.
Diagnostic techniques that produce visual representations of the body’s internal structures, such as X-rays, CT scans, MRI scans, ultrasound, and nuclear medicine imaging. These imaging modalities help in visualizing abnormalities or abnormalities in organs and tissues.
A procedure involving the removal of a small sample of tissue or cells from a specific area of the body for microscopic examination. Biopsies are essential for diagnosing cancer, infections, and other diseases affecting various organs or tissues.
Tests performed on specimens such as blood, urine, saliva, or tissue samples to analyze various parameters, including biochemical, hematological, immunological, and microbiological markers. These tests aid in diagnosing and monitoring a wide range of medical conditions.
The process of systematically considering and evaluating various possible causes or conditions that could explain a patient’s symptoms. Healthcare professionals use clinical judgment, medical knowledge, and diagnostic tests to narrow down potential diagnoses and arrive at an accurate conclusion.
Established guidelines, criteria, or algorithms used by healthcare professionals to define and identify specific diseases or conditions. These criteria assist in standardizing the diagnostic process and ensuring consistency in diagnosis across different healthcare settings.