Persistent atrial standstill in a cat

B. J. Gavaghan, Mark D Kittleson, D. McAloose

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A domestic shorthaired cat was presented with a 1-month history of cardiomegaly and recurrent chylothorax. The heart rate was 130 beats/min and no P waves were present on a surface electrocardiogram. Thoracic radiographs and an echocardiogram demonstrated severe biatrial dilatation, pleural effusion and restrictive pleural disease. Permanent atrial standstill was suspected. Pleurocentesis was performed and therapy was started with enalapril, frusemide and aspirin. Intracardiac electrograms revealed no atrial activity, and atrial pacing failed to elicit atrial or ventricular depolarisations. The patient was euthanased. Necropsy showed severe atrial wall thinning with marked cardiocyte loss. Persistent atrial standstill is a rare disease in the cat. Clinical signs may have been due to loss of atrial function, ventricular diastolic dysfunction, bradycardia, neurohormonal activation and reduced atrial natriuretic peptide plasma concentrations.

Original languageEnglish (US)
Pages (from-to)574-579
Number of pages6
JournalAustralian Veterinary Journal
Volume77
Issue number9
StatePublished - Sep 1999

Fingerprint

chylothorax
atrial natriuretic peptide
cat diseases
aspirin
electrocardiography
chest
heart rate
necropsy
Cats
Atrial Function
Pleural Diseases
cats
Cardiac Electrophysiologic Techniques
Chylothorax
Ventricular Dysfunction
therapeutics
Enalapril
Furosemide
Cardiomegaly
Atrial Natriuretic Factor

Keywords

  • Cat
  • Electrogram
  • Permanent atrial standstill

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Gavaghan, B. J., Kittleson, M. D., & McAloose, D. (1999). Persistent atrial standstill in a cat. Australian Veterinary Journal, 77(9), 574-579.

Persistent atrial standstill in a cat. / Gavaghan, B. J.; Kittleson, Mark D; McAloose, D.

In: Australian Veterinary Journal, Vol. 77, No. 9, 09.1999, p. 574-579.

Research output: Contribution to journalArticle

Gavaghan, BJ, Kittleson, MD & McAloose, D 1999, 'Persistent atrial standstill in a cat', Australian Veterinary Journal, vol. 77, no. 9, pp. 574-579.
Gavaghan, B. J. ; Kittleson, Mark D ; McAloose, D. / Persistent atrial standstill in a cat. In: Australian Veterinary Journal. 1999 ; Vol. 77, No. 9. pp. 574-579.
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