ECG of the Month

Coon cat was evaluated because of a heart murmur and bradycardia. The cat had a history of weight loss and reduction in appetite of 4 to 6 weeks’ duration. On physical examination, the cat’s heart rate was approxi-mately 110 beats/min and a grade 2/6 parasternal heart murmur was auscultated. Other physical examination findings were unremarkable. Because of the low heart rate, an ECG examination was performed