Laboratory Diagnosis of Tick-Borne Infections
Part 2
Diagnostic Tests for HME and HGA

July 2010
As you can see from this table, the sensitivity of various diagnostic modalities for ehrlichiosis and anaplasmosis varies with the stage of disease. Highlighted here is the most sensitive method for diagnosing human ehrlichiosis and anaplasmosis during the acute state which is PCR.
Diagnostic Tests for HME and HGA |
Jump to section:
- Introduction
- Presentation Outline
- Tick-Borne Diseases
- Advantages and Limitations of Conventional Tests
- Molecular Diagnostic Methods Potential Advantages
- Molecular Diagnostic Methods Potential Disadvantages
- Treatment and Diagnostic Recommendations
- Case 1
- Diagnostic Workup
- Representative Image Giemsa-stained Peripheral Blood Smear
- Differential Diagnosis
- Which one is Plasmodium falciparum?
- Main Morphologic Features Table
- Classic Maltese Cross
- Extracellular Forms of Babesiosis
- Side-by-Side Comparison
- Further Workup
- Malaria PCR
- Babesia microti PCR
- Advantages/Uses of PCR
- Potential Disadvantages
- Potential Disadvantages
- Case 2
- Lyme Disease: Diagnostic Approach
- Reported Cases of Lyme Disease, 2008
- Serologic Assay: Test of Choice for Diagnosis of Lyme Disease
- Case 2, Further Workup
- Potential Roles for PCR
- Which Specimens Should be Tested by PCR?
- PCR for Detection of Borrelia burgdorferi DNA in Blood
- Case 3
- Live Tick Image
- Tick Image Close Up
- IDSA Guidelines
- IDSA Guidelines, continued
- Testing of Ticks by PCR
- Case 4
- Tick-Borne PCR Panel
- Diagnostic Tests for HME and HGA
- PCR for Diagnosis of Ehrlichiosis/Anaplasmosis
- Ehrlichia and Anaplasma PCR Assay Graph
- Phylogenetic Tree
- Ehrlichia muris-like Organism
- All Patients with EML had Tick Exposure
- Prevention of Tick-Borne Diseases
- Conclusions
- Conclusions, continued
- Questions?


