Electrocardiogram (ECG)

An evaluation of the electrical activity in an animal’s heart, recorded as a linear image on a sheet of paper.

holter monitor

A Pug with a history
of fainting wears a
Holter monitor to
obtain a 24 hour
electrocardiogram.

An example of an electrocardiogram obtained from a dog with dilated cardiomyopathy and congestive heart failure. The ECG tracing shows a rapid and irregular heart rhythm known as atrial fibrillation.

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	A Pug with a history of fainting wears a Holter monitor to obtain a 24 hour electrocardiogram.

An example of an electrocardiogram obtained from a dog with dilated cardiomyopathy and congestive heart failure. The ECG tracing shows a rapid and irregular heart rhythm known as atrial fibrillation.