What causes arrhythmia in dogs with splenic masses?

What causes arrhythmia in dogs with splenic masses?

Myocardial necrosis (10/18) and metastatic hemangiosarcoma (3/18) were common myocardial histopathologic findings. Proposed causes for arrhythmias in dogs with splenic masses include myocardial metastases, tissue hypoxia secondary to anemia or hypovolemia, and local or systemic catecholamine release.

How many dogs with splenic masses were tested?

The records of 73 dogs with splenic masses were evaluated retrospectively to determine whether ventricular arrhythmias, in the absence of clinically apparent underlying heart disease, were a common clinical finding. Associated clinical, laboratory, and pathologic findings were evaluated to search for clinical predictors of ventricular arrhythmias.

What happens when a dog has spleen cancer?

My dog’s pale gums indicated that he had internal hemorrhaging. The cancerous tumor that had grown on my dog’s spleen was being fed my lots of blood vessels. Eventually, the tumor had ruptured, and that was causing blood loss from my dog’s vital organs.

How to tell if your dog has hemolytic anemia?

Dogs with immune-mediated hemolytic anemia are usually jaundiced, sometimes have a fever, and may have an enlarged spleen. They can show mild, slow-developing signs and not appear to be in any pain, or they can suddenly be in severe crisis.

What happens when a dog has splenic hemangiosarcoma?

When the spleen is affected by a tumor such as hemangiosarcoma, the risk of abdominal bleeding and subsequent death is likely. Unfortunately, dogs suffering a hemangiosarcoma are highly susceptible to the acute effects of a splenic rupture. What Happens When a Dog Suffers Splenic Hemangiosarcoma (Spleen Cancer)?

How often does a dog have a splenic mass?

Mass-to-splenic volume ratio and splenic weight as a percentage of body weight in dogs with malignant and benign splenic masses: 65 cases (2007-2008). J Am Vet Med Assoc 2011;239:1325-7.

What causes a tumor on the spleen in a dog?

Statistically, approximately 60% of bleeding tumors of the spleen in dogs are due to malignant hemangiosarcoma ( 3, 4 ). The remaining 40% are benign hemangioma.

What happens to a dog with a spleen rupture?

When the spleen is affected by a tumor such as hemangiosarcoma, the risk of abdominal bleeding and subsequent death is likely. Unfortunately, dogs suffering a hemangiosarcoma are highly susceptible to the acute effects of a splenic rupture.