Help identifying arrhythmia in a cat

RE: Help identifying arrhythmia in a cat

Beats — Fri, 24 Jan 2020 19:36:31 GMT

Regarding the rhythm: I see supraventricular (junctional) premature complexes and a wandering pacemaker (variable P-wave morphology, some going upside down?)... I think!

RE: Help identifying arrhythmia in a cat

AlanH — Fri, 24 Jan 2020 16:49:23 GMT

HI Tassadar,

interesting one... I think there are P waves too , from the trace with Leads I to III, from the left side I think complexes 1,3,4,6,8,9,10&12 have associated p waves which looks subjectively to have a consistent P-R interval so this must be sinus beats, complexes 5,9,11 have a similar morphology to the QRS but without an obvious P wave so I think they are supra ventricular ectopics interspersed hence the irregularity but be interested to see what others think! I initially thought the QRS did look wide but perhaps its more just slurred into the T wave in Lead 2 when i look at the top strip Im less convinced that the complexes are prolonged so not convinced about about a conduction defect. R axis deviation though so perhaps marked hypertrophy here. Nice ECG regardless - I struggle to get nice cat ones. interesting to see what the echo shows!

RE: Help identifying arrhythmia in a cat

Sarah Keir — Fri, 24 Jan 2020 15:52:29 GMT

ECGs are very poor for diagnosing heart disease - all it is telling you is it is an unhappy heart. I highly recommend this cat's heart is scanned.

RE: Help identifying arrhythmia in a cat

Tassadar — Fri, 24 Jan 2020 14:36:42 GMT