Peer-reviewed veterinary case report
Cat with Cytauxzoon felis infection has serious heart conduction block
By Jeong, H W & Borgarelli, M·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2021·Department Small Animal Clinical Science, United States·View original on PubMed →
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Original publication title: Trifascicular block in a cat infected with Cytauxzoon felis.
- Species:
- cat
Plain-English summary
A 3-year-old female spayed Siamese cat was brought to the vet after being diagnosed with a serious infection called cytauxzoonosis. During the exam, the vet noticed the cat had an irregular heart rhythm, which was confirmed by an electrocardiogram showing a trifascicular block (a type of heart block). Unfortunately, despite the vet's efforts, the cat's condition worsened rapidly, and she passed away about two days after her visit.
People also search for: cat irregular heart rhythm · Siamese cat heart problems · cytauxzoonosis in cats · cat sudden death symptoms
Abstract
A 3-year-old female spayed indoor/outdoor Siamese cat was diagnosed with cytauxzoonosis and irregular heart rhythm was appreciated during a physical examination. On electrocardiogram, the cat had an average ventricular rate of 144 beats/min with Wenckebach type (Mobitz type I) atrioventricular block. The QRS complexes of sinus conducted beats had left anterior fascicular block morphology, they were followed by two subsequent beats presented with a prolonged P-R interval and QRS conducted with a left bundle branch block. The finding of alternating left anterior fascicular block and left bundle branch block along with atrioventricular block is consistent with trifascicular block. No structural heart changes were noted on echocardiography. Approximately 48 h after presentation to the emergency service, the cat acutely decompensated and spontaneously died.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/33945903/