List and Describe the 3 stages of fever:
1. The onset when temperature first begins to increase. May be slow or sudden, pt often experiences coldness and chills, and the pulse and respiratory rate increase.
2. Course of a fever: The temperature rises and falls in one of the following three fever patterns: continuous, intermittent, or remittent. During this phase the pt has an increased pulse and respiratory rate and feels warm to the touch. The patient may experience one or more of the following symptoms: flushed appearance, increased thirst, loss of appetite, headache, and malaise.
3. Subsiding Stage: the temperature returns to normal. It can return to normal gradually or suddenly. As the body temperature is returning to normal, the pt usually perspires and may become dehydrated.