A patient is experiencing a fever of 100 degrees F. The nurse realizes that which of the following effects will the fever have on the patient's heart rate?
1. increase 10 beats per minute for every degree elevation
2. increase 18 beats per minute for every degree elevation
3. decrease 10 beats per minute for every degree elevation
4. decrease 18 beats per minute for every degree elevation
1
Rationale: Hyperthermia increases electrical activity of the heart. Heart rate increases about 10 bpm for each degree Fahrenheit or 18 bpm per degree Celsius up to about
105? F (40.5? C). Hypothermia decreases the electrical activity of the heart so a slower heart rate of less than 60 bpm will most likely be seen in a lower temperature. The patient with a fever of 100 degrees F will have an increased heart rate of approximately 10 bpm for every degree elevated.
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