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ECG


Results and Values

What do the test results mean?

Normal results include the following:

  • a heart rate that is between 50 and 100 beats per second
  • a consistent and even rhythm
  • a pattern on the graph that corresponds to pattern profiles established for healthy people
  • Abnormal results can come from any of the following:

  • a muscle defect
  • an enlargement of the heart
  • defects from birth
  • heart-valve disease
  • abnormal rhythms (or arrhythmias including tachycardia, a heartbeat that is too fast, or bradycardia, a heartbeat that is too slow)
  • coronary artery disease
  • an inflammation of the heart
  • an altered electrolyte balance (including potassium or sodium abnormalities)
  • a past heart attack, one that is happening at the moment, or one that is about to happen

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