What it means
A pathogenPATH-uh-jenA germ, such as a bacterium, virus, fungus or parasite, that can cause disease.path/o disease-gen something that producesFull entry gets into the body, multiplies and may cause illness. Infections can be local, in one spot such as a wound, or systemic, spreading through the blood. The chain of infection describes how germs spread: the germ, where it lives, how it leaves, how it travels, how it enters and a person who can catch it. Breaking any link stops the spread.
For the nurse
Hand hygiene is the most important way to prevent infection. Watch for signs such as fever, redness, warmth, swelling, pus, a rising white cell count and, in older adults, new confusion. Clients after surgery, with lines or catheters, or with weak immune systems are at higher risk.
At a glance
| Spanish | infección |
|---|---|
| Also written | infections, infected |
Related terms
infectious disease
An illness caused by a germ such as a bacterium, virus, fungus or parasite.
sepsis
A severe whole-body response to an infection that damages the body's own organs.
pathogen
A germ, such as a bacterium, virus, fungus or parasite, that can cause disease.
precaution
A step taken ahead of time to prevent harm, such as the infection-control practices used with every client.
hand hygiene
Cleaning the hands with soap and water or an alcohol-based hand rub.