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Peer-reviewed veterinary case report

Dog with heart, kidney, and brain problems recovers after pacemaker

By Candelario, Gianira et al.·Published in Journal of veterinary internal medicine·2025·Department of Veterinary Clinical Sciences, United States·View original on PubMed

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Original publication title: Reversible Cardio-Renal-Cerebral Syndrome in a Dog: A Case Report.

Species:
dog

Plain-English summary

A 14-year-old miniature Pinscher was brought to the vet because he was not urinating much and had high potassium levels, which can be dangerous. He also had a slow heart rate and showed signs of confusion and weakness. The vet diagnosed him with a serious condition affecting his heart, kidneys, and brain. They placed a special pacemaker to help his heart beat properly, and within a day, he started to feel better. He was able to go home after three days of treatment.

People also search for: dog not urinating · miniature Pinscher heart problems · dog kidney disease treatment

Abstract

A 14-year-old miniature Pinscher was presented with azotemia, severe hyperkalemia, and oliguria caused by decompensation of chronic renal disease, along with bradycardia resulting from third-degree atrioventricular (AV) block. Supportive medical treatment was instituted for the oliguria, azotemia, and hyperkalemia. Within 12 h of hospitalization, multifocal central neurologic signs developed, including nystagmus, quadriparesis, decreased mentation, and ventral neck flexion. A diagnosis of cardiorenal cerebral syndrome was made. A transvenous permanent pacemaker was placed to improve cardiac output. Within 24 h, clinical signs improved, and the patient was discharged from the hospital on day three.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/41035283/