Breed-specific vertebral heart size and vertebral left atrial size reference intervals in Yorkshire Terriers, Pomeranians, Pugs, and Boston Terriers.

Objective: The investigators sought to reanalyze previously published vertebral heart size (VHS) reference intervals in Yorkshire Terriers (YTs), Pomeranians (POMs), Pugs, and Boston Terriers (BTs).

Methods: The electronic medical records of IDEXX Telemedicine Consultants were searched for YTs, POMs, Pugs, and BTs undergoing radiography between January 1, 2023, and March 31, 2023. Dogs were included if they had 2- or 3-view thoracic radiographs performed and no evidence of cardiopulmonary or systemic disease.

Pre-excitation alternans in a cat.

A nine-year-old male neutered domestic shorthair cat presented on referral for evaluation. The cat presented to its primary veterinarian for acute onset vomiting, panting, and weakness. An electrocardiogram performed at the regular veterinarian was concerning for ventricular tachycardia, and the cat was referred for further evaluation.

Pneumopericardium after peritoneopericardial diaphragmatic hernia repair in a dog.

A one-year-old neutered, Goldendoodle presented for evaluation. One week prior to presentation, the surgical closure of a peritoneopericardial diaphragmatic hernia was performed via ventral midline celiotomy. Since the procedure, the dog had been lethargic and anorexic at home.