U
M
edic
Essential Electrocardiography
(current)
Introduction
History
Standardization
Rate
Rhythm
Intervals
Planes/Axis
Morphology
Interpretation
Pediatrics
Normal P wave morphology
Lead I and II positive, lead aVR negative
Upright in V1
Normal width and height
Notice especially that the P wave is upright in leads I and II, is negative in lead aVR and is upright in lead V1. That is, it is a normal P wave.
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