Systolic 120 100 80 Diastolic 60 0.5 1.0 1.5 1 (s) 1.0 0.5 0.5 1.5 (8) -0.5E Figure 20.34 A lead II ECG with corresponding arterial blood pressure. The QRS complex is created by the depolarization and contraction of the ventricles and is followed shortly by the maximum or systolic blood pressure. See text for further description.

Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter7: Instrumentation In Diagnostic Cardiology
Section: Chapter Questions
Problem 3Q
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(a) Referring to the figure, find the time systolic pressure lags behind the middle of the QRS complex. 
(b) Discuss the reasons for the time lag.

Systolic
120
100
80
Diastolic
60
0.5
1.0
1.5 1 (s)
1.0
0.5
0.5
1.5 (8)
-0.5E
Figure 20.34 A lead II ECG with corresponding arterial blood pressure. The QRS complex is created by the depolarization and contraction of the
ventricles and is followed shortly by the maximum or systolic blood pressure. See text for further description.
Transcribed Image Text:Systolic 120 100 80 Diastolic 60 0.5 1.0 1.5 1 (s) 1.0 0.5 0.5 1.5 (8) -0.5E Figure 20.34 A lead II ECG with corresponding arterial blood pressure. The QRS complex is created by the depolarization and contraction of the ventricles and is followed shortly by the maximum or systolic blood pressure. See text for further description.
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