Lyme-like illness currently deserves Lyme-like treatment.
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Biomedical subjects
Publications and source records attributed to Edwin J Masters.
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Rocky Mountain spotted fever is still the most lethal tick-vectored illness in the United States. We examine the dilemmas facing the clinician who is evaluating the patient with possible Rocky Mountain spotted fever, with particular attention to the following 8 pitfalls in diagnosis and treatment: (1) waiting for a petechial rash to develop before diagnosis; (2) misdiagnosing as gastroenteritis; (3) discounting a diagnosis when there is no history of a tick bite; (4) using an inappropriate geographic exclusion; (5) using an inappropriate seasonal exclusion; (6) failing to treat on clinical suspicion; (7) failing to elicit an appropriate history; and (8) failing to treat with doxycycline. Early diagnosis and proper treatment save lives.
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OBJECTIVE: To determine responses of Borrelia lonestari and Borrelia burgdorferi to Eastern Fence lizard (Sceloporus undulatus) and Swiss-Webster mouse (Mus musculus) sera. RESULTS: Lizard sera lysed both Borrelia lonestari and Borrelia burgdorferi. Mouse sera lysed only Borrelia lonestari. CONCLUSIONS: Borrelia lonestari and Borrelia burgdorferi spirochetes did not survive exposure to lizard sera. Mice are reservoirs for Borrelia burgdorferi but may not be a Borrelia lonestari reservoir because spirochetes did not survive exposure to mouse sera.