The Importance of the Electrocardiogram and Holter Monitor in the Cardiovascular System Instructions The standard EKG consists of 10 sensors that record 12 leads of the heart’s electrical activity from different angles, allowing for a thorough three-dimensional interpretation of its activity. This is transmitted by the electrodes to the equipment to be interpreted and is used to diagnose cardiac medical conditions. In case of an abnormal EKG, the second step would be to use a Holter monitor. 1.Educate a patient: What you will do before, during, and after an electrocardiogram or using a Holter monitor? 2.List 5 medical cardiac conditions or diseases that you can diagnose with an electrocardiogram or Holter monitor.

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