Diagnostic techniques are methods used by healthcare professionals to identify diseases or conditions in patients. These techniques can include physical examinations, laboratory tests, imaging studies, and biopsies. Each method provides valuable information that helps doctors understand a patient's health status and make informed treatment decisions. Common diagnostic tools include X-rays, MRI scans, and blood tests. X-rays help visualize bones and certain tissues, while MRI scans provide detailed images of soft tissues. Blood tests analyze various components in the blood to detect infections, organ function, and other health issues. Together, these techniques form a comprehensive approach to diagnosing medical conditions.