When I was first diagnosed with thyroid cancer, I didn't feel any odd lumps or nodules in my neck, but I was suffering from muscle weakness, tiredness and getting constant colds. After a particularly nasty bug I noticed that my lymph nodes never seemed to go down in size.
SIRS is nonspecific and can be caused by ischemia, inflammation, trauma, infection, or several insults combined. Thus, SIRS is not always related to infection. Venn diagram showing overlap of infection, bacteremia, sepsis, systemic inflammatory response syndrome (SIRS), and multiorgan dysfunction.
1 Blood poisoning is a nonmedical term that usually refers to the medical condition known as sepsis. 2  The major SIRS criteria are an increased heart rate, fever, and increased respiratory rate; the young and the elderly may show other early signs and symptoms of sepsis sometimes before exhibiting SIRS criteria. Sepsis is a potentially life-threatening medical condition that's associated with an infection; the infection's signs and symptoms must fulfill a minimum of two criteria of a systemic inflammatory response syndrome (SIRS). 2  Blood poisoning is a nonmedical term that usually refers to the medical condition known as sepsis.