ch 4 ecg intervals
TRANSCRIPT
The ECG Course
Adam Thompson, EMT-‐P, BAS
Chapter 4 ECG Intervals
ECG Intervals
ECG Intervals
ECG Intervals
ECG Intervals
Measurements to remember
• QRS dura)on < 0.12 sec. or 120 ms
• That’s 3 small boxes
• PR Interval < 0.20 sec. or 200 ms
• That’s 5 small boxes
• Or 1 big box
ECG Intervals
RR Interval
PR Interval
QT Interval
ECG Intervals
Using the RR Interval to determine regularity
• Regularly Regular
• Regularly Irregular
• Irregularly Irregular
ECG Intervals
ECG Intervals
ECG Intervals
ECG Intervals
ECG Intervals
ECG Intervals
