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Anatomy and Physiology for Emergency Care

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Presentation on theme: "Anatomy and Physiology for Emergency Care"— Presentation transcript:

1 Anatomy and Physiology for Emergency Care
Chapter 13 The Heart

2 Objectives Describe the location and general features of the heart
Trace the flow of blood through the heart, identifying the major blood vessels, chambers, and heart valves Identify the layers of the heart wall Describe the differences in the action potentials and twitch contractions of skeletal muscle fibers and cardiac muscle cells

3 Objectives Describe the components and functions of the conducting system of the heart Explain the events of the cardiac cycle, and relate the heart sounds to specific events in the cycle Define stroke volume and cardiac output, and describe the factors that influence these values

4 The Heart and the Circulatory System

5 The Anatomy and Organization of the Heart
Surface Anatomy of the Heart

6 The Anatomy and Organization of the Heart
Internal Anatomy and Organization Structural Differences Between the Left and Right Ventricles The Heart Valves Atrioventricular valves Semilunar valves

7 Sectional Anatomy of the Heart

8 The Heart Valves

9 The Anatomy and Organization of the Heart
The Heart Wall Cardiac Muscle Cells Fibrous Skeleton

10 The Anatomy and Organization of the Heart
Blood Supply to the Heart

11 The Heartbeat Contractile Cells The Conducting System Nodal Cells
Conducting Cells

12 The Heartbeat The electrocardiogram

13 The Heartbeat The Cardiac Cycle Heart Sounds

14 Heart Dynamics Factors Controlling Cardiac Output
Blood Volume Reflexes Autonomic Innervation Autonomic Effects on the Heart Autonomic Effects on Stroke Volume The effects of NE and E The effects of Ach Coordination of Autonomic Activity

15 Summary

16 Emergency Care Applications
Chapter 13

17 Coronary Artery Disease

18 Acute Coronary Syndrome

19 Acute Coronary Syndrome
Reperfusion Revascularization

20 Defibrillation

21 Blunt Myocardial Injury
Commotio Cordis (Myocardial Contusion)

22 Summary

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