Relationship between pressure, volume and ECG Systole Pressure (mmHg) Volume (ml) ECG 120 80- 40- Mitral valve closes 0+ 130+ 90- Aortic valve opens... 50+ ejection S EDV Ejection Contraction Aortic valve closes Diastole filling Mitral valve opens Filling ESV Relaxation Filling Aortic pressure Left ventricular pressure Left atrial pressure Left ventricular volume What happens during the filling phase of the cardiac cycle? What is the outflow phase of the cardiac cycle and how long does it last? What happens during the iso-volumetric contraction phase of the cardiac cycle?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Relationship between pressure, volume and ECG
Pressure (mmHg)
Volume (mL)
ECG
120
40
0-
130
90
+
+
50+
IVC
Aortic valve
opens
Mitral valve
closes
Systole
ejection
EDV
Ejection
Contraction
IVR
Aortic valve
closes
Diastole
filling
Mitral valve
opens
Filling
--ESV
Relaxation
Filling
Aortic pressure
Left ventricular pressure
Left atrial pressure
Left ventricular
volume
What happens during the filling
phase of the cardiac cycle?
What is the outflow phase of
the cardiac cycle and how long
does it last? What happens
during the iso-volumetric
contraction phase of the
cardiac cycle?
Transcribed Image Text:Relationship between pressure, volume and ECG Pressure (mmHg) Volume (mL) ECG 120 40 0- 130 90 + + 50+ IVC Aortic valve opens Mitral valve closes Systole ejection EDV Ejection Contraction IVR Aortic valve closes Diastole filling Mitral valve opens Filling --ESV Relaxation Filling Aortic pressure Left ventricular pressure Left atrial pressure Left ventricular volume What happens during the filling phase of the cardiac cycle? What is the outflow phase of the cardiac cycle and how long does it last? What happens during the iso-volumetric contraction phase of the cardiac cycle?
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