- General contour
- P Wave Duration
- positive and negetive Amplitude
- Axis in the frontal and transverse planes.
- It generally Smooth and entirely positive or negetive or monophesic. except V1 and V2
- Normally < 0.12 second
- It's indicate the relative time of activation in the right and left atria.
- Normally no more than 0.2 mv in frontal plane leads.
- normally no more than 0.1 mv in transverse plane leads.
-
P Wave Normally appers entirely upright and left ward and inferiorly oriented leads such as I, II, aVF and V4 To V6.
-
P wave axis are between 0 and +75 degree.
- Normal
- RAE (Right Atrial Enlargments)
- LAE (Left Atrial Enlargnments)
- RAE + LAE (Both Enlargments)