Step 3 P wave Morphology (Shape) ECG Interpretation #318


Description

  • The lead most commonly referenced in cardiac monitoring is lead II.
  • For the purposes of this training module, lead two will specifically be referenced unless otherwise specified.
  • The P wave in lead II in a normal heart is typically rounded and upright in appearance.
  • Changes in shape must be reported. This can be an indicator that the locus of stimulation is changing or the pathway taken is changing.
  • P waves may come in a variety of morphologies i.e. rounded and upright, peaked, flattened, notched, biphasic (second complex, pictured), inverted and even buried or absent!
  • Remember to describe the shape. This can be very important to the physician when diagnosing the patient.
analysis ecg image 110


P Wave Practice 1

analysis ecg image 111

Analyze this tracing. Describe the P waves.

Reveal Answer Upright and uniform


P Wave Practice 2

analysis ecg image 111

Analyze this tracing. Describe the P waves.

Reveal Answer Variable, upright, inverted and absent





Authors and Sources

Authors and Reviewers


Sources




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Reference Guide
multimedia lessons Free Resources
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uStat: False | db:0 | cc: US
| cDbLookup # 0 | pu: False | pl: System.Collections.Generic.List`1[System.String]
em: | newuser: False | cc: US | showD? False





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