Page 188 - Critical Care Nursing Demystified
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Chapter 4 CARE OF THE PATIENT WITH CRITICAL CARDIAC RHY THM DISTURBANCE NEEDS 173
P wave = Not measured: Upright
rounded, symmetrical
PRI = Measured: .12 – .20 seconds
QRS = Measured: .06 – .10 seconds Downloaded by [ Faculty of Nursing, Chiangmai University 5.62.158.117] at [07/18/16]. Copyright © McGraw-Hill Global Education Holdings, LLC. Not to be redistributed or modified in any way without permission.
ST segment = Should be isoelectric (flat)
QTI = Measured: Rate related
.36 – .42
FIGURE 4–4B • Measuring ECG waveforms.
