Definition of fever
Fever or pyrexia is defined as a rise in body temperature
above 99°f or 37.2°c.
The balance between the thermogenesis and thermolysis is
called fever.
Causes of fever :-
- Infection
- Disease of nervous system
- Blood disease such as lukemia, embolism and thrombosis.
- Heat stroke from exposure to hot environment.
- Dehydration
- surgical trauma and crushing injury.
- Allergic reaction to foreign protein.
Types of fever :-
1) constant / continuous fever = There is temperature varies not more than two
degree between morning and evening and does not reach normal for a period of
days or weeks.
2) Intermitted pyrexia = Temperature rise from normal or abnormal to high
fever and bock at regular intervals .
The interval may vary from few hours to three days usually temperature is
highest in evening than in the morning
3) Remitted fever = Remitted fever is a fever characterized by variation of
more than two degree between morning and evening but does not reach normal .
4) Relapsing fever = Relapsing fever is one in which there are brief febrile
period followed by one or more day of normal temperature.
5) Irregular fever = when fever is entered irregular in cause it is called
irregular fever .
6) sustained fever constant body temperature continuously above 38°c or
100.4°f that demonstrate little.
Defence mechanism of fever :-
- Fever is sign of disease .
- It is protective function .
- Increase in the temperature prevent growth of organism causing disease .
- There is destruction of bacteria through phagocytosis and producing immune bodies .
- Hormones promote the body's defence against infection .
- person experience chill , shivering and cold.
- Body produce and conserve heat.
Nursing care of patients with pyrexia :-
- To increase heat loss.
- Reduce heat production.
- prevent complications.
- promote balance between heat production and heat loss.
- Encourage oral hygiene , prevent dehydration .
- provide complete bed rest .
- The clothing should be light ,loose , smooth , cotton,non irritating .
Covid- 19
Definition of covid-19 :-
Corona virus disease is
an infectious disease caused by newly discovered corona virus .
Mostly people who fall sick with covid 19 will experience mild to moderate
symptoms and recover without special treatment .
Sign and symptom :-
- Sever illness
- Headache
- loss of smell and taste
- Nasal congestion
- Runny nose
- Cough
- Muscles pain
- Sore throat
- Fever
- diarrhea
- Difficulty in breathing.
Treatment of covid-19:-
- Isolate yourself in a well ventilated room.
- Use a triple layer medical mask discard after 8hours of use .
- Mask should be discarded only after disinfecting with 1% sodium hypochlorite.
- Monitor daily O2 saturation with pulse oximeter .
- Monitor daily temperature.
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