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5 Cards in this Set
- Front
- Back
5 Steps for Rhythm Interpretation
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QRS Complex interpretation
P Wave interpretation Heart Rate Rhythm (regularity) PR Interval |
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ECG boxs =
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1 box = 1mm = 0.04 sec
5 box = 5 mm = 0.20 sec |
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Large Box Method
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Count the number of large boxes between two R waves and divide into into 300
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Small box method
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Count the number of small boxes between two R waves and divide into 1500
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Causes of Irregular Rhythms:
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1. premature firing of an ectopic site:
Premature Atrial Complexes (PACs) Premature Junctional Complexes (PJCs) Premature Ventricular Complexes (PVCs) 2. block in the AV junction, bundle of His, or the bundle branches |