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Questions and Answers
What is electrocardiography and what does it measure?
What is electrocardiography and what does it measure?
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG), a recording of the heart's electrical activity through repeated cardiac cycles. It measures the electrical changes that occur during each cardiac cycle.
What is an electrogram and how is it graphed?
What is an electrogram and how is it graphed?
An electrogram is a graph of voltage versus time that represents the electrical activity of the heart. It is graphed using electrodes placed on the skin that detect the small electrical changes.
What are some examples of cardiac abnormalities that can be detected through changes in the ECG pattern?
What are some examples of cardiac abnormalities that can be detected through changes in the ECG pattern?
Examples of cardiac abnormalities that can be detected through changes in the ECG pattern include cardiac rhythm disturbances, inadequate coronary artery blood flow, and electrolyte disturbances.
What does the abbreviation 'ECG' usually refer to?
What does the abbreviation 'ECG' usually refer to?
Can other devices record the electrical activity of the heart?
Can other devices record the electrical activity of the heart?
What are arrhythmias?
What are arrhythmias?
What is tachycardia?
What is tachycardia?
What are some symptoms of arrhythmias?
What are some symptoms of arrhythmias?
What is bradycardia?
What is bradycardia?
What are the four categories of arrhythmias?
What are the four categories of arrhythmias?