Definition Of Fever In Adults as a body temperature that is above the normal range, for that individual, without any physiological cause to it.
Approach To Fever Intro Fever also called Pyrexia, is one of the most common presenting complaints in medical practice. In other words, temperature raise due to exercise or menstrual cycle doesn’t count as fever. This is usually above 38°Crecorded by thermometer.
Mechanism of Fever Body temperature is usually set to its normal range by the hypothalamus, which acts as a sort of thermostat. When the body suffers from certain pathological processes, namely & quot; inflammation & quot;, certain chemicals are released by the body, collectively called pyrogens, in other words, of which is interleukin-2.
Pyrogens set the thermoregulatory point of the hypothalamus to a higher temperature, thus resulting in fever.
causes of fever can be divided into the broad categories of
- Infections, which are the most common cause of pyrexia. It can include bacterial, viral, fungal, or parasitic infections.
- Auto-Immune Diseases
- Miscellaneous, which can include things like heat stroke, medications, brain lesions, and thyroid storm to name a few. Diagnosing the Cause of Fever We have mentioned 5 categories of diseases that usually result in fever and each category consists of a multitude of possible diseases. In order to narrow down, our diagnosis, we need to do a thorough history and examination and request appropriate lab investigations where relevant. Definition Of Fever In Adults is usually accompanied by other symptoms as well, which may guide the diagnosis of the underlying disease.
Is 99.4 a fever in adults?
Every person has different temperature. a normal human body 97.6–99.6°F range is normal.