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How Does an Electrocardiogram or ECG Work?


An electrocardiogram is a tool used by doctors and laboratory services to measure the activity of the heart. Its mechanism of operation is very simple, but the roles it plays in the diagnostic department are myriad, considering that it is used only on one organ of the body.

To use an electrocardiogram, lab technicians will hook up the patient’s chest to the machine using plastic patches called electrodes. The patches in these electrodes are designed to stick to the skin but are easy to remove.

Through these electrodes, the machine can measure several activities of the heart. These include heart rate, heart rhythm, and strength of each beat or impulse. These impulses are transcribed in real-time in ECG paper, which looks similar to the printout of a seismograph.

The doctor in a clinic in Texas then looks at the printout of the EKG machine and tries to see if there’s a problem with your heart. An ECG can be used to monitor the following:

  • The progress of a recently installed pacemaker
  • Possible causes of breathing difficulties or fatigue
  • The general health of the heart
  • The effects of recently prescribed cardiovascular medicine
  • History of heart health, with other ECG results

Are you suspecting heart problems, or do you just want to look at the health of your heart? Call us now at Divine Grace Family Clinic, your friend’s family clinic in Grand Prairie, Texas.

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