Electrocardiogram (EKG or ECG)

Course Description

Electrocardiogram (EKG or ECG) is a test that is conducted to determine the electrical activity of the heart. This test is done when a patient presents with:

  • Chest pain
  • Shortness of breath
  • Palpitations
  • Dizziness
  • Fainting
  • Very high or very low blood pressure

This test is also done to check for:

  • Electrical activity of the heart due to medications
  • Possible signs of heart attack
  • Heart enlargement
  • Pacemaker activity
  • Cardiac dysfunction associated with increase in activity

Below are sample tracings of various rhythms with clinical implications:

Normal EKG

EKG Artifacts

There are 24 lectures outlined here. Please click the left upper corner of the video to see the playlist: