Laboratory Diagnosis of Tick-Borne Infections

Patient Case 2

July 2010

Now that we’ve reviewed how methods, such as serology, can assist in the diagnosis of ehrlichiosis and anaplasmosis, let’s turn our attention to case #2. This is a case of a 4-week old infant who was seen at a Children’s hospital in Rhode Island. The infant received blood transfusions from at least 7 donor units, and within days, the child developed fever, anemia and thrombocytopenia. A peripheral blood specimen was obtained from the patient and was submitted to the laboratory for direct examination.

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Patient Case 2

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Jump to section:

• Introduction
• Outline
• Patient Case 1
• Laboratory Workup
• Conventional Methods for Diagnosis of Ehrlichiosis and Anaplasmosis
• Conventional Methods for Diagnosis of Ehrlichiosis and Anaplasmosis
• Conventional Methods for Diagnosis of Ehrlichiosis and Anaplasmosis
• Typical Positive Result by IFA
• Conventional Methods for Diagnosis of Ehrlichiosis and Anaplasmosis
• Diagnostic Tests for HME and HGA
• Conventional Methods for Diagnosis of Ehrlichiosis and Anaplasmosis
• Conventional Methods for Diagnosis of Ehrlichiosis and Anaplasmosis
• Patient Case 2
• Giemsa-stained Preparation Slide
• Giemsa-stained Preparation Slide
• Conventional Methods for Diagnosis of Babesia
• Conventional Methods for Diagnosis of Babesia
• Conventional Methods for Diagnosis of Babesia
• Conventional Methods for Diagnosis of Babesia
• Conventional Methods for Diagnosis of Babesia
• Patient Case 3
• Lyme Disease - Diagnostic Approach
• Conventional Methods for Diagnosis of Lyme Disease
• Patient Case 3 (continued)
• Diagnosis of Lyme Disease
• Lyme Disease - Serologic Assays
• Lyme Disease - Serologic Assays
• Lyme Disease - Serologic Assays
• Patient Case 3 (continued)
• Lyme Disease - Serologic Assays
• Patient Case 3 (continued)
• Lyme Disease - Factors to Consider
• Conclusions
• References
• Questions?