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Physiology of the Cardiovascular System
Description: The cardiovascular system is a complex transportation system responsible for the pickup and delivery of nutrients, wastes, enzymes, hormones, and respiratory gases, and the distribution of body heat. As well as ensuring the survival of individual cells, this system provides a means of communication between different tissues that must work together to ensure proper functioning of the body. This course discusses normal cardiac physiology and factors that affect blood pressure.
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COURSE OUTLINE
INTRODUCTION
1. Course Information
2. Interface Tour
3. Course Overview
NORMAL CARDIAC PHYSIOLOGY
4. Objectives
5. Mechanical Events in the Cardiac Cycle
6. Cardiac Conduction
7. Electrocardiography
8. Heart Rate
9. Stroke Volume
10. Cardiac Output Measures
11. Progress Check
BLOOD PRESSURE
12. Objectives
13. Definitions
14. Measurement
15. Influential Factors
16. Autonomic Regulation
17. Adrenergic Receptors
18. Atrial Natriuretic Factor
19. The RRA System
20. Angiotensin I and II
21. Progress Check
CONCLUSION
22. Summary
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COURSE OBJECTIVES
Students completing this course should be able to:
- Differentiate between atrial and ventricular systole and diastole
- Describe the progression of electrical events in the cardiac cycle
- Describe factors influencing cardiac output
- Define blood pressure and how it is measured
- Identify the factors that determine blood pressure
- Describe how the body regulates blood pressure
- Identify the components of the renin-angiotensin-aldosterone system and state the origin of each
- Describe the feedback process by which the body regulates blood pressure levels
- Describe the role of the autonomic nervous system and of atrial natriuretic factor on blood pressure regulation
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