Sepsis :
Sepsis occurs when the immune system reacts severely to an infection, which can lead to tissue damage, organ failure, and death. It may caused by pneumonia, urinary tract infections, appendicitis, abdominal infection, peritonitis, bowel problems, cellulitis, infections of the liver and gallbladder, and brain and spinal cord infections. Newborns, infants, people with pregnancy, older age, medical conditions like diabetes, obesity, cancer, kidney disease, weakened immune systems, severe injuries, catheters, IVs, and breathing tubes. Symptoms may include the urge to urinate, low energy, fast heart rate, low blood pressure, fever, chills, warm, sweaty skin, confusion, agitation, hyperventilation, shortness of breath, discomfort, and extreme pain. Diagnosis is made by blood tests to check infections, low oxygen levels, clotting problems, electrolyte imbalances, urinalysis, wound secretion tests, mucus secretion test, chest x-rays, CT scans, ultrasounds and MRI scans.