However, some people are more vulnerable, including people who: imaging studies – like an X-ray, ultrasound scan or computerised tomography (CT) scanĪnyone can develop sepsis after an injury or minor infection.respiratory secretion testing – taking a sample of saliva, phlegm or mucus.a wound culture – where a small sample of tissue, skin or fluid is taken from the affected area for testing. ![]() Other tests can help determine the type of infection, where it's located and which parts of the body have been affected. Sepsis is often diagnosed by testing your: However, sometimes the specific infection and source of sepsis can't be identified. The most common sites of infection that lead to sepsis are the: Sepsis can be triggered by an infection in any part of the body. This stops oxygen from reaching the organs and tissues. When blood flow is interrupted, blood pressure can drop dangerously low. Widespread inflammation can damage tissue and interfere with blood flow. However, an infection can spread to other parts of the body if the immune system is weak or an infection is severe. This helps to fight the infection and prevent it from spreading. This triggers tissue swelling, known as inflammation. White blood cells travel to an infection site to destroy the germs causing the infection. To do this, the body produces white blood cells. ![]() The immune system usually keeps an infection limited to one place. Without quick treatment, sepsis can lead to multiple organ failure and death. Sepsis is a rare but serious complication of an infection.
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