Image Database: Heartwater

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Photo #: HW_001
Description:
Amblyomma variegatum ticks feeding on a goat.
Credit: PIADC
   

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Photo #: HW_002
Description:
Goat. The neck is extended, consistent with dyspnea.
Credit: PIADC
   

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Photo #: HW_003
Description:
Goat, thoracic viscera. There are many pleural hemorrhages, and the lung is moderately noncollapsed (edema).
Credit: PIADC
   

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Photo #: HW_004
Description:
Sheep, lung. There is severe interlobular edema.
Credit: PIADC
   

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Photo #: HW_005
Description:
Sheep, lung. Interlobular septa are distended with edema fluid.
Credit: PIADC
   

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Photo #: HW_006
Description:
Sheep, lung. The lung is noncollapsed and hyperemic, and the bronchi contain frothy fluid (pulmonary edema).
Credit: PIADC
   

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Photo #: HW_007
Description:
Goat, heart. There are many small hemorrhages on the endocardial surface.
Credit: PIADC
   

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Photo #: HW_008
Description:
Sheep, kidney. There are multiple petechiae on the cortical surface.
Credit: PIADC
   

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Photo #: HW_009
Description:
Sheep, kidney. Section reveals numerous fine linear radial hemorrhages; hemorrhages coalesce in the papillae on the right.
Credit: PIADC
   

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Photo #: HW_010
Description:
Goat, prescapular lymph node. There are multiple barely discernible petechiae in the cortex.
Credit: PIADC
   

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Photo #: HW_011
Description:
Goat, abomasum. There are multiple petechial and paintbrush serosal hemorrhages.
Credit: PIADC
   

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Photo #: HW_012
Description:
Small ruminant, abomasum. The mucosa contains disseminated petechiae and coalescing ecchymotic hemorrhages.
Credit: PIADC
   

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Photo #: HW_013
Description:
Small ruminant, small intestine. The mucosa contains numerous petechiae and ecchymoses.
Credit: PIADC
   

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Photo #: HW_014
Description:
Sheep, brain. The leptomeninges are congested and contain many small hemorrhages. Gyri are flattened (cerebral edema).
Credit: PIADC
   

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Photo #: HW_015
Description:
Goat, brain. Section of the cerebrum reveals multiple petechiae and a few ecchymoses. The choroid plexus is severely enlarged due to acute inflammation and hemorrhage, and protrudes from the lateral ventricle.
Credit: PIADC
   

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Photo #: HW_016
Description:
Goat, brain smear. An endothelial cell contains a morula (cluster) of Ehrlichia ruminantium.
Credit: PIADC
   

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Photo #: HW_017
Description:
Goat, peripheral blood smear. A neutrophil contains a few Ehrlichia ruminantium.
Credit: PIADC
   

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Photo #: HW_018
Description:
Goat, buffy coat smear. Several neutrophils contain E. ruminantium morulae.
Credit: PIADC
   

To use images and associated descriptions contained on this website, please contact the CFSPH at cfsph@iastate.edu.

These images were annotated by Dr. Steve Sorden and funding was provided by a USDA Higher Education Challenge Grant in collaboration with the Iowa State University Department of Veterinary Pathology, Center for Food Security and Public Health, Armed Forces Institute of Pathology, and Plum Island Animal Disease Center.