A veterinarian may run a routine battery of tests to diagnose cardiomyopathy, and these can include an EKG, an x-ray or ultrasound images to examine the shape and condition of your cat's heart.
Electrocardiagram (ECG, EKG)-A record of the electrical activity of the heart, with each wave being labeled as P, Q, R, S, and T waves.
In terms of the cardiac examination, a standard electrocardiogram (EKG) is not sufficient for diagnosis; only the echocardiogram can detect possible enlargement of the aorta.
A chest x ray, electrocardiogram (ECG, EKG), echocardiogram (echo), or magnetic resonance imaging MRI) can confirm the presence of an atrial septal defect.
During an EKG, small electrode patches are attached to the skin on the chest.