Septic arthritis - Definition

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Arthritis is defined as the inflammation of a joint. Septic arthritis is a rare and serious illness, sometimes fatal, which is caused by the invasion of the joint by a bacterial germ. The contamination of the joint can occur directly by way of an open wound, for example, or through the blood. Only one joint is affected. The joint in question feels warm and inflamed; it causes significant pain, and inhibits habitual movements. The individual is fatigued, feverish, shaky, pale, and tired. A sample from the joint must be taken rapidly to analyze and look for the bacteria in question, and a treatment of antibiotics must begin even before receiving the results of these tests. Imaging tests, like x-ray or ultrasound, in the case of deeper joints, can help with a diagnosis.