ECG of the Month

Boothe, Matthew; Newhard, Daniel K.; Winter, Randolph L.

doi:10.2460/javma.250.12.1377

Cited by 1 publication

(2 citation statements)

References 14 publications

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“…Primary cardiac tumours have been previously associated with arrhythmias, but most commonly bradyarrhythmias such as atrioventricular block. 16,17 As presented in this case, supraventricular tachycardia has been previously reported in association with a right atrial mass, but a causal relationship between tumour and arrhythmia could not be confirmed. 18 Furthermore, a primary endocardial pleomorphic sarcoma was reported to cause a left ventricular outflow obstruction, with a complex arrythmia, involving sinus arrest, junctional escape rhythm and periods of ventricular tachcardia.…”

Section: Discussionmentioning

confidence: 53%

“…The arrhythmia had not persisted during the time of referral. Primary cardiac tumours have been previously associated with arrhythmias, but most commonly bradyarrhythmias such as atrioventricular block 16,17 . As presented in this case, supraventricular tachycardia has been previously reported in association with a right atrial mass, but a causal relationship between tumour and arrhythmia could not be confirmed 18 .…”

Section: Discussionmentioning

confidence: 64%

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Concurrent right atrial myxoma with visceral haemangiosarcoma in a dog

Brewer

Marwood

Leeming

et al. 2023

Vet Record Case Reports

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A 10‐year‐old crossbreed (labradoodle) was presented with an acute history of vomiting and diarrhoea, with supraventricular tachycardia and ventricular premature complexes. Physical examination revealed mild tachycardia, but no significant abnormalities otherwise. Investigations with echocardiogram and computed tomography identified a right atrial mass, nodular interstitial lung pattern, multiple nodules throughout the hepatic parenchyma and peritoneal effusion. Abdominocentesis confirmed a haemoabdomen. Treatment was declined and the dog was euthanased the same day. Histopathology of the cardiac mass confirmed a cardiac myxoma, which stained Alcian blue‐positive, demonstrating the mucin content of the tumour. The hepatic lesions were factor VIII‐positive, consistent with a visceral haemangiosarcoma.

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Section: Discussionmentioning

confidence: 53%

Section: Discussionmentioning

confidence: 64%