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Rocky mountain spotted fever

Rocky mountain spotted fever Consultation Section EDITED BY DENNIS SHEPARD, MD, FACS F. HAMPTON ROY, MD, FACS, OOSS, AAO Rocky Mountain spotted fever is a potentially fatal disease, and early treatment with appropriate antibiotics is the key prognostic factor. Rocky Mountain spotted fever is the most common rickettsial disease in the United States and occurs throughout the Western hemi- sphere. It is caused by Rickettsia rickettsii, an obligate, intracellular Gram-negative coccobacilli that contains both DNA and RNA. Ticks that serve as vectors and reservoirs for Rocky Mountain spotted fever are Dermacentor andersoni (the wood tick) in the Rocky Mountain states; Dermacentor variabilis (the dog tick) in the eastern and southern states; and Amblyomma americanum in Texas. The disease is transmitted to humans through tick bites, which often occur unnoticed. F. Hampton Roy, MD, FACS, OOSS, AAO Most cases occur during the spring and summer, with sporadic cases occurring throughout the year. Risk factors include exposure to wooded areas and dogs. Infection should also be considered in family members and contacts who have febrile illness and share environmen- tal exposures with the patient. The incubation period is 2 to 14 days. Ninety percent of symptomatic patients develop a maculopapular rash between days 3 and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annals of Ophthalmology Springer Journals

Rocky mountain spotted fever

Lam, Byron
Annals of Ophthalmology , Volume 38 (1) – Feb 25, 2007
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Publisher
Springer Journals
Copyright
Copyright © 2006 by Humana Press Inc.
Subject
Medicine & Public Health; Ophthalmology
ISSN
1530-4086
eISSN
1558-9951
DOI
10.1385/AO:38:1:3
Publisher site
See Article on Publisher Site

Abstract

Consultation Section EDITED BY DENNIS SHEPARD, MD, FACS F. HAMPTON ROY, MD, FACS, OOSS, AAO Rocky Mountain spotted fever is a potentially fatal disease, and early treatment with appropriate antibiotics is the key prognostic factor. Rocky Mountain spotted fever is the most common rickettsial disease in the United States and occurs throughout the Western hemi- sphere. It is caused by Rickettsia rickettsii, an obligate, intracellular Gram-negative coccobacilli that contains both DNA and RNA. Ticks that serve as vectors and reservoirs for Rocky Mountain spotted fever are Dermacentor andersoni (the wood tick) in the Rocky Mountain states; Dermacentor variabilis (the dog tick) in the eastern and southern states; and Amblyomma americanum in Texas. The disease is transmitted to humans through tick bites, which often occur unnoticed. F. Hampton Roy, MD, FACS, OOSS, AAO Most cases occur during the spring and summer, with sporadic cases occurring throughout the year. Risk factors include exposure to wooded areas and dogs. Infection should also be considered in family members and contacts who have febrile illness and share environmen- tal exposures with the patient. The incubation period is 2 to 14 days. Ninety percent of symptomatic patients develop a maculopapular rash between days 3 and

Journal

Annals of Ophthalmology – Springer Journals

Published: Feb 25, 2007

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