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  1. Rocky Mountain Spotted Fever - Harvard Health

    Rocky Mountain spotted fever is a severe illness caused by tiny bacteria called Rickettsia rickettsii, which are transmitted through the bite of an infected tick. In the eastern United States and in California, the infected tick is usually Dermacentor variabilis, the American dog tick.

  2. Pathology of Rocky Mountain Spotted Fever -Dr Sampurna Roy MD

    Rocky Mountain spotted fever is one of the severest infectious disease, with a mortality in previously healthy persons of 20% before the advent of antimicrobial therapy. Rocky Mountain spotted fever is the most important rickettsiosis in the United States from the aspects of morbidity and mortality.

  3. Fever and Rash - Infectious Disease Advisor

    The most common infectious diseases with fever and rash are transmitted by vector: Typhus, rickettsial spotted fever, Rocky Mountain spotted fever, Lyme disease, ehrlichiosis, and tularemia. Immunocompromised patients are most susceptible to herpes-virus dissemination, ecthyma gangrenosum, Streptococcal, and Staphylococcal toxic shock syndrome.

  4. How do adults typically present with Rocky Mountain spotted ...

    Mar 28, 2020 · Adults tend to present with typical symptoms. Fever with relative bradycardia is the rule. In mild, untreated cases, the fever subsides at the end of the second week.

  5. A Suspected Case of Rocky Mountain Spotted Fever in an Adult ...

    1. Introduction. Although tick-borne diseases such as Anaplasmosis, Ehrlichiosis, and Rocky Mountain Spotted Fever (RMSF) have been well documented in humans since the mid-1900s, the prevalence and clinical syndromes caused by tick-borne pathogens in veterinary species are less well established.

  6. Fever in Adults - Infections - Merck Manuals Consumer Version

    Although many people worry that fever can cause harm, the typical temporary elevations in body temperature to 100.4° to 104° F (38° to 40° C) caused by most short-lived (acute) illnesses are well-tolerated by healthy adults. However, a moderate fever may be slightly dangerous for adults with a heart or lung disorder because fever causes the ...

  7. Oct 15, 2010 · #### Summary points Few clinical problems generate such a wide differential diagnosis as pyrexia (fever) of unknown origin. The initial definition proposed by Petersdorf and Beeson in 1961,1 later revised, is “a fever of 38.3°C (101°F) or more lasting for at least three weeks for which no cause can be identified after three days of investigation in hospital or after three or more ...

  8. Fever and Heartburn: Common Related Medical Conditions

    Dengue fever is a flu-like illness that can be fatal if not treated. Legionella (Legionnaires disease) Legionnaires' disease is a severe type of pneumonia and causes headache, chills, high fever, a cough, and more. Typhoid fever. Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.

  9. Doctors and Medical Specialists for Rocky Mountain spotted fever

    Doctors for Rocky Mountain spotted fever: This section presents information about some of the possible medical professionals that might be involved with Rocky Mountain spotted fever. Ask your doctor to recommend what other types of doctors, physicians, medical specialists, or other medical professionals should be part of the team for your ...

  10. Fever in Children | Johns Hopkins Medicine

    A fever is defined by most healthcare provider as a temperature of 100.4°F (38°C) and higher when taken rectally. The body has several ways to maintain normal body temperature. The organs involved in helping with temperature regulation include the brain, skin, muscle, and blood vessels. The body ...