Related Experiment Video
Updated: Sep 15, 2026

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
Published on: January 27, 2019
Haemorrhagic pancarditis in cattle infected with Trypanosoma vivax
B A Kimeto1, G M Mugera, P N Nyaga
1Department of Veterinary Pathology and Microbiology, University of Nairobi, Kabete, Kenya.
Insights
Microscopic examination revealed haemorrhagic pancarditis, characterized by inflammation and damage to heart muscle fibers. The parasite was also found outside its typical location within the heart tissue.
Area of Science:
- Cardiovascular pathology
- Parasitology
- Histopathology
Background:
- Haemorrhagic pancarditis is a severe cardiac condition.
- Understanding its pathological features is crucial for diagnosis and treatment.
Purpose of the Study:
- To investigate the microscopic and ultrastructural changes in haemorrhagic pancarditis.
- To identify key pathological hallmarks and parasite localization.
Main Methods:
- Microscopic examination of affected cardiac tissue.
- Ultrastructural analysis using electron microscopy.
Main Results:
- Observed haemorrhages and oedema within the cardiac tissue.
- Noted mononuclear cell infiltration, indicating an inflammatory response.
- Documented degeneration, fragmentation, atrophy, and lysis of myofibres (heart muscle cells).
- Identified extravascular localization of the parasite within the heart.
Conclusions:
- Haemorrhagic pancarditis involves significant inflammation and myocardial damage.
- The presence of the parasite outside its usual location may contribute to the observed pathology.
Abstract:
Haemorrhagic pancarditis has been studied microscopically and ultrastructurally. Haemorrhages, oedema, mononuclear cell infiltration, degeneration, fragmentation, atrophy and lysis of myofibres, and extravascular localisation of the parasite were observed.
More Related Videos
Related Concept Videos
Acute Pancreatitis I: Introduction
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
Acute Pancreatitis II: Clinical Manifestations and Management
Bacterial Gastroenteritis
American Trypanosomiasis
Acute Pancreatitis I: Introduction
Acute Pancreatitis II: Pathophysiology

