anatomy and physiology for emergency care chapter 13 the heart

Anatomy and Anatomy and Physiology for Physiology for

Emergency CareEmergency Care

Chapter 13Chapter 13

The HeartThe Heart

ObjectivesObjectives

Describe the location and general features Describe the location and general features of the heartof the heart

Trace the flow of blood through the heart, Trace the flow of blood through the heart, identifying the major blood vessels, identifying the major blood vessels, chambers, and heart valveschambers, and heart valves

Identify the layers of the heart wallIdentify the layers of the heart wall Describe the differences in the action Describe the differences in the action

potentials and twitch contractions of skeletal potentials and twitch contractions of skeletal muscle fibers and cardiac muscle cellsmuscle fibers and cardiac muscle cells

ObjectivesObjectives

Describe the components and functions of Describe the components and functions of the conducting system of the heartthe conducting system of the heart

Explain the events of the cardiac cycle, Explain the events of the cardiac cycle, and relate the heart sounds to specific and relate the heart sounds to specific events in the cycleevents in the cycle

Define stroke volume and cardiac output, Define stroke volume and cardiac output, and describe the factors that influence and describe the factors that influence these valuesthese values

The Heart and the Circulatory The Heart and the Circulatory SystemSystem

The Anatomy and Organization The Anatomy and Organization of the Heartof the Heart

Surface Anatomy of Surface Anatomy of the Heartthe Heart

The Anatomy and Organization The Anatomy and Organization of the Heartof the Heart

Internal Anatomy Internal Anatomy and Organizationand Organization Structural Structural

Differences Differences Between the Left Between the Left and Right and Right VentriclesVentricles

The Heart ValvesThe Heart Valves Atrioventricular Atrioventricular

valvesvalves Semilunar valvesSemilunar valves

Sectional Anatomy of the Sectional Anatomy of the HeartHeart

The Heart ValvesThe Heart Valves

The Anatomy and Organization The Anatomy and Organization of the Heartof the Heart

The Heart WallThe Heart Wall Cardiac Muscle CellsCardiac Muscle Cells Fibrous SkeletonFibrous Skeleton

The Anatomy and Organization The Anatomy and Organization of the Heartof the Heart

Blood Supply to the Blood Supply to the HeartHeart

The HeartbeatThe Heartbeat

Contractile CellsContractile Cells The Conducting The Conducting

SystemSystem Nodal CellsNodal Cells Conducting CellsConducting Cells

The HeartbeatThe Heartbeat

The The electrocardiogramelectrocardiogram

The HeartbeatThe Heartbeat

The Cardiac CycleThe Cardiac Cycle Heart SoundsHeart Sounds

Heart DynamicsHeart Dynamics

Factors Controlling Factors Controlling Cardiac OutputCardiac Output Blood Volume ReflexesBlood Volume Reflexes Autonomic InnervationAutonomic Innervation

Autonomic Effects on Autonomic Effects on the Heartthe Heart

Autonomic Effects on Autonomic Effects on Stroke VolumeStroke Volume

The effects of NE and The effects of NE and EE

The effects of AchThe effects of Ach Coordination of Coordination of

Autonomic ActivityAutonomic Activity

Summary Summary

Emergency Care Emergency Care ApplicationsApplications

Chapter 13Chapter 13

Coronary Artery DiseaseCoronary Artery Disease

Acute Coronary SyndromeAcute Coronary Syndrome

Acute Coronary SyndromeAcute Coronary Syndrome

ReperfusionReperfusion RevascularizationRevascularization

DefibrillationDefibrillation

Blunt Myocardial InjuryBlunt Myocardial Injury

Commotio Cordis Commotio Cordis (Myocardial (Myocardial Contusion)Contusion)

Summary Summary