Resources
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Glossary
Term | Definition |
---|---|
Afterload | The force or resistance that the ventricles must overcome to eject the blood around the body |
Atria | The upper chambers of the heart |
Cardiac contractility | The strength of the contraction of the ventricles |
Cardiac output (CO) | The volume of blood pumped by the heart each minute. It is a product of heart rate and stroke volume |
Heart failure | The condition that exists when the heart is unable to maintain a cardiac output sufficient to meets the body’s metabolic needs |
Heart rate | The number of times that the heart beats each minute |
Preload | The effect of stretching in the ventricles prior to contraction. It is related to volume of blood entering the ventricles |
Stroke volume | The volume of blood ejected by the heart at a single contraction |
Ventricles | The lower chambers of the heart |
Resources
Term | Description |
---|---|
British Heart Foundation | The BHF is a UK charity dedicated to raising public awareness of heart disease and what they can do to avoid it, and to carrying out research on cardiac conditions. There's a section aimed at healthcare professionals which has a wealth of resources and publications. |
NHS Direct Online | Comprehensive NHS-run patient-oriented compendium of conditions and treatments. There's a section on Heart Failure which goes into symptoms, causes, treatment and prevention, and has a list of references for further reading. |
Principles of Anatomy and Physiology by Tortora, G. R., Derrickson B. H. | This book provides a comprehensive content on physiology and anatomy of human body. |
Learning outcomes
By completing this resource you will be able to:
Discuss factors affecting cardiac output in response to different physiological changes.
This resource was developed by:
Content author: Hui Yin Yow, Jhi Biau Foo, Wei Hsum Yap
Developers: Haniffa Beevi Abdul Jaleel, Mohd Radzy Omar, Enna Ayub
Programmer: Aizul Hadi Rusman
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