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FeverAka: Remittent Fever, Recurrent Fever, Intermittent Fever, Hectic Fever, Sustained Fever, Continuous Fever, Pulse-Temperature Dissociation
- See Also
- Fever Evaluation in Children
- Fever Symptomatic Treatment
- Fever in the Returning Traveler
- Definitions
- Fever
- Celsius temperature >38 degrees
- Fahrenheit temperature >100.4 Fahrenheit
- Remittent Fever
- Daily elevated temperature (>38 C or 100.4 F)
- Returns to baseline but not to normal
- Intermittent Fever (Periodic Fever)
- Intermittently elevated temperature (>38 C, 100.4 F)
- Return to baseline and to normal
- Examples
- PFAPA Syndrome: Fever every 3-4 weeks
- Most common cause in children age <5 years
- Relapsing Fever (Borrelia species): Every 2-3 weeks
- Malaria: Fever every other or every third day
- Rat Bite Fever: Fever every 3 to 5 days
- Hodgkin's Disease: Pel-Ebstein Fever
- Cyclic Neutropenia: Fever every 3 weeks
- Associated with Mucosal Ulcer
- Hectic Fever
- Daily elevated temperature (>38 C or 100.4 F)
- Either remittent or intermittent pattern
- Temperature excursion >1.4 C (2.5 F)
- Examples
- Intermittent bacteremia (dental abscess, UTI)
- Epstein-Barr Virus
- Familial Mediterranean Fever
- Crohn's Disease
- Still's Disease (Juvenile Rheumatoid Arthritis)
- Sustained or Continuous Fever
- Daily elevated temperature (>38 C or 100.4 F)
- Fluctuation of elevated temperature < 0.3 C (0.5 F)
- Associated conditions
- Drug Fever
- Salmonella
- Pulse-Temperature Dissociation
- Pulse slower than normal for fever degree
- Associated conditions
- Typhoid Fever
- Rickettsial infection
- Classifications
- Fever Without Focus
- Age <24 months
- Higher risk in younger infants
- Fever without localizing signs
- Acute onset of fever persisting <1 week
- Assess for Occult Bacteremia
- Fever of Unknown Origin (FUO)
- Fever exceeding 1 week duration
- Fever documented in the hospital
- All possible investigations performed during the week
- Special Circumstances: Fever in adults over age 65 years
- Fever: temperature rise of 1.1 C (2 F) over baseline
- High fever suggesting severe infection: 38.3 C (101 F)
- Technique: Axillary temperature
- Age <5 weeks old
- Rectal = Axillary Temperature + 0.2/week of age (C)
- Age >1 month old
- Rectal = Axillary Temperature + 1 (Celsius)
- Axillary temperature accurate by recent study (n=120)
- References
- Shann (1996) Arch Pediatr Adolesc Med 150:74
- Common Non-Infectious Causes of Low Grade Fever
- Over-dressing
- Recent Exercise
- Hot weather
- Warm foods
- Recent Immunization
- DTP Vaccine within 24 hours
- MMR Vaccine within 7 to 10 days
- Management
- See Fever Symptomatic Treatment
- See Fever Without Focus
- References
- Schmitt (1980) Am J Dis Child 134:176
- Kimmel (1996) Fam Pract Recert 18(7):69
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| Definition (AIR) | Fever: a documented body temperature higher than 38 degrees C., or 100.4 degrees F. |
| Definition (MSH) | An abnormal elevation of body temperature, usually as a result of a pathologic process. |
| Definition (CSP) | abnormal elevation of body temperature, usually as a result of a pathologic process. |
| Definition (GO) | A rise in body temperature above the normal, often as a response to infection. [GOC:jl] |
| Definition (NCI) | The elevation of the body's temperature above the upper limit of normal, usually taken as 37.7 degrees C. |
| Concepts | Finding (T033)
|
| ICD9 | 780.6 |
| Basque | SUKARRA |
| Danish | Feber |
| Dutch | Koorts |
| English | Body temperature above normal, BODY TEMPERATURE INCREASED, Febrile, febris, Feels feverish, Fever, Fevers, Has a temperature, High body temperature, Hyperthermia, Hyperthermias, Increased body temperature, Pyrexia, Pyrexial, Pyrexias, Temperature elevated, TEMPERATURE ELEVATION, TEMPERATURE INCREASE, Temperature raised |
| Finnish | KUUME |
| French | Fievre |
| German | Fieber |
| Hebrew | xom |
| Hungarian | laz |
| Italian | Febbre |
| Norwegian | FEBER |
| Portuguese | Febre |
| Spanish | afiebrado, aumento de la temperatura corporal, febril, fiebre, hipertermia, pirexia, temperatura corporal aumentada, temperatura corporal elevada |
| Swedish | FEBER |
| Credits | Derived from the NIH UMLS (Unified Medical Language System)
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