Electrocardiography
When my dog had his annual check up prior to re-vaccination the vet noticed he had an irregular heartbeat and has suggested that he comes in for an ECG.
What is this?
An ECG is an electrocardiogram. When any irregularity of the rhythm of the heart beat is detected on clinical examination, using a stethoscope, the veterinarian may suggest an ECG. The beating heart generates minutely small electrical impulses which can be detected by this machine. They are amplified and then recorded as a permanent trace.
Will my dog have to be sedated or anaesthetised for this procedure?
No. The dog is usually restrained in a standing or lying position. Electrodes are attached to all four limbs and sometimes additionally to the chest as well. A jelly is applied to facilitate electrical conduction between the dog and the electrodes and sometimes small patches of hair have to be clipped to ensure better contact. The equipment merely records and magnifies the electrical impulses. There are no unpleasant sensations and no risk for your dog.
Will I be able to stay with my dog during the procedure?
This depends upon several factors, not the least of which being the dog’s temperament. Usually the procedure can be completed more quickly if the dog is left with us.
Are there any other tests likely to be required?
Sometimes as the result of the ECG examination radiography or an ultrasound scan may be necessary. Radiography (x-rays) will require sedation or a light general anaesthetic. This will be discussed with you at the time of booking the procedure.
Are many other procedures likely to be required?
In some cases a more prolonged ECG examination is required. In this day and age there are special portable recording units in a carrying pack for the dog so that long term recordings of 24 hours or more can be made. This technique is becoming more commonly used to diagnose precisely the reasons for intermittent collapse in dogs with abnormal heart rhythm. Should this be necessary we will discuss all the details with you.
© Copyright 2025 LifeLearn Inc. Used and/or modified with permission under license. This content written by LifeLearn Animal Health (LifeLearn Inc.) is licensed to this practice for the personal use of our clients. Any copying, printing or further distribution is prohibited without the express written consent of LifeLearn. This content does not contain all available information for any referenced medications and has not been reviewed by the FDA Center for Veterinary Medicine, or Health Canada Veterinary Drugs Directorate. This content may help answer commonly asked questions, but is not a substitute for medical advice, or a proper consultation and/or clinical examination of your pet by a veterinarian. Please contact your veterinarian if you have any questions or concerns about your pet’s health. Last updated on Nov 10, 2016.
