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P Wave
Lesson and Quiz
The P wave represents atrial depolarization. In a normal EKG, the P-wave precedes the QRS complex. It looks like a small bump upwards from the baseline. The amplitude is normally 0.05 to 0.25mV (0.5 to 2.5 small boxes). Normal duration is 0.06-0.11 seconds (1.5 to 2.75 small boxes). The shape of a P-wave is usually smooth and rounded.
P-wave questions:
Are they present?
Do they occur regularly?
Is there one P-wave for each QRS complex?
Are the P-Waves smooth, rounded, and upright?
Do all P-Waves have similar shapes?
EKG Basics Quiz
Table of Contents
Introduction
1
EKG Paper
2
EKG Nomenclature
3
EKG Interpretation
4
Rhythm
5
Heart Rate
6
P Wave
7
PR Interval
8
QRS Complex
9
T Wave
10
QT Interval
11
ST Segment
Conceptos Básicos ECG