An electrocardiogram (ECG or EKG) records the electrical changes that occur during the heartbeat and provides data on the health of the heart.
What is an ECG?
ECG is an abbreviation for electrocardiogram and it can be defined as an instrument which is designed and developed for the measurement of the electrical changes and cardiorespiratory fitness of an individual at rest.
In this context, we can infer and logically deduce that an electrocardiogram (ECG or EKG) is an instrument which is designed and developed to record the electrical changes that occur during the heartbeat, and it provides data on the health of the heart.
Additionally, an electrocardiogram (ECG or EKG) will show no P waves with a heart rate (HR) between 40-60 beat per minute (bpm) when the SA node is not functioning properly.
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