Fever: Difference between revisions
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'''Fever''' is defined as "an abnormal elevation of body temperature, usually as a result of a pathologic process."<ref>{{cite web |url=http://www.nlm.nih.gov/cgi/mesh/2007/MB_cgi?term=Fever |title=Fever|author=National Library of Medicine |accessdate=2007-11-16 |format= |work=}}</ref> | '''Fever''' is defined as "an abnormal elevation of body temperature, usually as a result of a pathologic process."<ref>{{cite web |url=http://www.nlm.nih.gov/cgi/mesh/2007/MB_cgi?term=Fever |title=Fever|author=National Library of Medicine |accessdate=2007-11-16 |format= |work=}}</ref> | ||
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==References== | ==References== | ||
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Revision as of 23:36, 19 November 2007
Fever is defined as "an abnormal elevation of body temperature, usually as a result of a pathologic process."[1]
Acute febrile illness
Assuming that local inflammatory processes such as an abscess or cellulitis are not present, several clinical findings can suggest the underlying cause of an acute fever.
- Influenza-like illness is defined as "fever (temperature of 100°F [37.8°C] or greater) and a cough and/or a sore throat in the absence of a known cause other than influenza."[2] Possible causes include respiratory syncytial virus, rhinovirus, adenovirus, parainfluenza viruses, coronaviruses, and metapneumovirus.[3]
- Mononucleosis-like illness is the triad of fever, pharyngitis, and lymphadenopathy which suggests infectious mononucleosis. Other possible causes include cytomegalovirus (CMV), human herpesvirus 6 (HHV-6), human immunodeficiency virus (HIV), human adenovirus, herpes simplex virus (HSV), Streptococcus pyogenes, and Toxoplasma gondii.[4]
- Relative bradycardia is when the "pulse is less than expected at a given body temperature"[5] Relative bradycardia suggests an intracellular organism such as salmonella, legionella, and chlamydia.[5] Other causes include Sandfly fever and Dengue fever.
- Arthropathy, when prominent, suggests Parvovirus B19.
- Myalgias, when prominent, suggests Dengue fever.
- Headache, when prominent, suggests West Nile Virus.
Fever of unknown origin
References
- ↑ National Library of Medicine. Fever. Retrieved on 2007-11-16.
- ↑ Centers for Disease Control and Prevention (2007). CDC - Influenza (Flu) - Flu Activity. Retrieved on 2007-11-19.
- ↑ Kelly H, Birch C (2004). "The causes and diagnosis of influenza-like illness". Australian family physician 33 (5): 305–9. PMID 15227858. [e]
- ↑ Hurt C, Tammaro D (2007). "Diagnostic evaluation of mononucleosis-like illnesses". Am. J. Med. 120 (10): 911.e1–8. DOI:10.1016/j.amjmed.2006.12.011. PMID 17904463. Research Blogging.
- ↑ 5.0 5.1 Babyatsky MW, Keroack MD, Blake MA, Rosenberg ES, Mino-Kenudson M (2007). "Case 35-2007 -- A 30-Year-Old Man with Inflammatory Bowel Disease and Recent Onset of Fever and Bloody Diarrhea" 357 (20): 2068–2076. DOI:10.1056/NEJMcpc079029. PMID 18003964. Research Blogging.