Interpreting an EKG

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12 Terms

1
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5 Steps to Interpreting an EKG

  1. Heart Rate

  2. Rhythm

  3. P Wave

  4. PR Interval

  5. QRS

<ol><li><p>Heart Rate</p></li><li><p>Rhythm</p></li><li><p>P Wave</p></li><li><p>PR Interval</p></li><li><p>QRS</p></li></ol><p></p>
2
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Heart Rate - Normal

  • 60-100 BPM

3
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Heart Rate - Calculating

  • Count the R peaks

    • For 6 seconds → Multiply R peaks by 10

    • For 3 seconds → Multiply R peaks by 20

<ul><li><p>Count the R peaks</p><ul><li><p>For 6 seconds → Multiply R peaks by 10</p></li><li><p>For 3 seconds → Multiply R peaks by 20</p></li></ul></li></ul><p></p>
4
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Rhythm - Ask Yourself

  • Is it evenly spaced?

5
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Rhythm - Calculating

  • Look at the R peaks to see if they are evenly spaced

  • Take a piece of paper and move it between R peaks to check

<ul><li><p>Look at the R peaks to see if they are evenly spaced</p></li><li><p>Take a piece of paper and move it between R peaks to check</p></li></ul><p></p>
6
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P Wave - Definition

  • ATRIA CONTRACTING

7
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P Wave - Ask Yourself

  • Is it present?

  • Does it have QRS after? → NEED to have one P wave with a QRS each time

8
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PR Interval - Definition

  • Measures the time it takes between the ATRIAL contraction and the VENTRICULAR contraction

9
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PR Interval - Normal

  • 5 mini boxes or less → Between 0.10-0.20

<ul><li><p>5 mini boxes or less → Between 0.10-0.20</p></li></ul><p></p>
10
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QRS - Definition

  • VENTRICLE CONTRACTING

11
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QRS - Ask Yourself

  • Is it present?

  • Is it upright?

  • Is it tight?

12
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QRS - Normal

  • 3 mini boxes → 0.12 seconds

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