Podcast
Questions and Answers
What characterizes the enteritis observed in dogs older than 15 days?
What characterizes the enteritis observed in dogs older than 15 days?
- Acute lymphocytosis
- Increased villi density
- Lymphoid hyperplasia
- Crypt hyperplasia (correct)
Which of the following clinical signs is associated with infectious canine hepatitis?
Which of the following clinical signs is associated with infectious canine hepatitis?
- Swollen lymph nodes
- Diarrhea
- Corneal edema (correct)
- Hair loss
What type of myocarditis is noted in infectious canine hepatitis?
What type of myocarditis is noted in infectious canine hepatitis?
- Fibrotic myocarditis
- Eosinophilic myocarditis
- Necroheamorrhagic myocarditis (correct)
- Lymphocytic myocarditis
What histopathological feature is indicative of severe enteritis in dogs?
What histopathological feature is indicative of severe enteritis in dogs?
Which virus is responsible for infectious canine hepatitis?
Which virus is responsible for infectious canine hepatitis?
What is the primary cause of leukopenia in dogs with infectious canine hepatitis?
What is the primary cause of leukopenia in dogs with infectious canine hepatitis?
What is one notable lesion found in the liver of dogs with infectious canine hepatitis?
What is one notable lesion found in the liver of dogs with infectious canine hepatitis?
What is a common feature noted in the small intestine of pups affected by necrotizing enteritis?
What is a common feature noted in the small intestine of pups affected by necrotizing enteritis?
What is a common symptom associated with diffuse hemorrhagic diathesis?
What is a common symptom associated with diffuse hemorrhagic diathesis?
What laboratory test is primarily used to assess clotting factors?
What laboratory test is primarily used to assess clotting factors?
What is a consequence of widespread endothelial damage in terms of clotting?
What is a consequence of widespread endothelial damage in terms of clotting?
Which imaging technique may be used to observe an enlarged liver?
Which imaging technique may be used to observe an enlarged liver?
What condition is associated with the presence of intranuclear inclusion bodies in the liver?
What condition is associated with the presence of intranuclear inclusion bodies in the liver?
What is a potential post-recovery complication observed in some dogs after treatment for hemorrhagic conditions?
What is a potential post-recovery complication observed in some dogs after treatment for hemorrhagic conditions?
Which of the following symptoms is least likely to occur with hemorrhagic conditions?
Which of the following symptoms is least likely to occur with hemorrhagic conditions?
What describes the type of liver damage seen in severe, acute diffuse centrilobular to midzonal bridging hepatic necrosis?
What describes the type of liver damage seen in severe, acute diffuse centrilobular to midzonal bridging hepatic necrosis?
What is a common clinical sign of hemorrhagic gastroenteritis?
What is a common clinical sign of hemorrhagic gastroenteritis?
Which lesion is typical of hemorrhagic gastroenteritis?
Which lesion is typical of hemorrhagic gastroenteritis?
What is the pathogenesis related to the cardiac form of this disease?
What is the pathogenesis related to the cardiac form of this disease?
What causes death in puppies with hemorrhagic gastroenteritis?
What causes death in puppies with hemorrhagic gastroenteritis?
What is a specific diagnosis indicator for hemorrhagic gastroenteritis?
What is a specific diagnosis indicator for hemorrhagic gastroenteritis?
Which clinical sign is NOT typically associated with hemorrhagic gastroenteritis?
Which clinical sign is NOT typically associated with hemorrhagic gastroenteritis?
Which of the following describes the appearance of lesions in hemorrhagic gastroenteritis?
Which of the following describes the appearance of lesions in hemorrhagic gastroenteritis?
What is a common finding on histopathological examination of this disease?
What is a common finding on histopathological examination of this disease?
Flashcards
Hemorrhagic Gastroenteritis (HGE)
Hemorrhagic Gastroenteritis (HGE)
A severe intestinal infection in dogs marked by bloody diarrhea, vomiting, and abdominal pain. The condition is especially common in young pups.
Segmental Lesions
Segmental Lesions
A distinguishing feature of HGE, appearing as dark red, segmental lesions with hemorrhage on the small intestine.
Necrosis
Necrosis
The presence of dead tissue in the intestinal wall in HGE.
Fibrinonecrotising Enteritis
Fibrinonecrotising Enteritis
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Intranuclear Inclusion Bodies
Intranuclear Inclusion Bodies
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Cardiac Form of HGE
Cardiac Form of HGE
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High PCV
High PCV
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In Situ Hybridization
In Situ Hybridization
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Infectious Canine Hepatitis (ICH)
Infectious Canine Hepatitis (ICH)
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Necroheamorrhagic myocarditis
Necroheamorrhagic myocarditis
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Hepatitis
Hepatitis
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Corneal edema
Corneal edema
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Leukopenia
Leukopenia
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Jaundice
Jaundice
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Gall Bladder Cholangitis
Gall Bladder Cholangitis
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Viral enteritis
Viral enteritis
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Hepatic Necrosis
Hepatic Necrosis
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Study Notes
Hemorrhagic Gastroenteritis
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Lesions: Segmental lesions on small intestine, characterized by dark red hemorrhage (distended small intestine) and transmural necrohemorrhagic enteritis. Segmental lesions with dark pink/fibrosis and distended small intestine, segmental fibrinonecrotizing enteritis are also noted. Intranuclear inclusion bodies are present in columnar epithelial cell nuclei.
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Clinical Signs: Bloody diarrhea, vomiting, abdominal pain, lethargy, loss of appetite, dehydration, fever, and collapse are common.
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Pathogenesis/Causes: Generalized necrosis of various organs, often fatal within 10 days, is a common characteristic of this condition.
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Diagnosis: PCV (packed cell volume) is a key diagnostic metric, with values of >55% being highly suggestive of hemorrhagic gastroenteritis (HGE).
Infectious Canine Hepatitis
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Lesions: Characterized by diffuse atrophy of the heart, with dark red petechial hemorrhage. Multifocal to coalescing necrohemorrhagic myocarditis (heart tissue damage) is seen. Corneal edema and leukopenia may occur. Gall bladder colitis, enlarged liver, and hemorrhagic hepatitis are also indicative of the infection.
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Clinical Signs: Fever, jaundice, depression, loss of appetite, vomiting, abdominal pain, coughing, and exhaustion are frequent clinical signs.
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Pathogenesis/Causes: Inflammatory responses led by adenovirus or similar viruses may cause generalized hemorrhages. Widespread damage to endothelial cells initiates a cascade of events that leads to accelerated consumption of clotting factors possibly associated with a disseminated intravascular coagulation (DIC) process.
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Diagnosis: A full blood count (complete blood count) alongside coagulation tests are recommended. Ultrasound scans to assess liver enlargement and liver biopsies may also be necessary.
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