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Heart is in a sac

Electrical impulses coordinate rhythm and contractions

Right side returns deoxygenated blood to the heart

Left side carries oxygenated blood away from the heart

Heart has three layers

Four chambers

Four valves

Left side is bigger with higher pressure due to further distance for blood to travel

Contractile Cells
Intercalated discs

Heart
Chambers, Pacemaker, Rhythm

Sinoatrial Node
Pacemaker, Rhythm

1

5

1

6

Heart Structure Intro

3

20

4

12

7

5

14

8

4

13

3

4

2

19

12

21

6

4

3

17

4

5

25

Right Coronary Artery

15

23

4

7

11

4

4

3

6

4

9

Cardiac Action Potential

5

Action Potential Heart

3

Conduction System

9

Conduction System 2

4

Endocardium Histology

3

5

7

5

2

2

10

6

7

5

4

7

7

6

5

6

2

5

3

3

2

8

3

8

5

4

5

3

13

9

4

3

2

5

3

3

12

Heart Electrical Conduction

10

Cardiac Action Potential 1

20

Blood Flow

17

Pressure

9

Heart Disease

6

Myocardial Infarction

8

Angina Pectoris

4

Atherosclerosis

21

Congestive Heart Failure

6

Valve Disorders

7

Aortic Valve Disorders

1

5

4

0

2

1

1

5

Ventricular Tachycardia

1

Ventricular Fibrillation

1

Electrocardiogram

1

Patient's side right and left

Blood path

Flow

protects it against infection and blunt trauma

Cardiac tamponade

Pericardium

Synchronization is important

What if Justin Timberlake just spins in circles and is not dancing with the others?

Action Potential

Removing my pot makes me feel negative

Phase 3 Potassium rapidly leaves the cell

You have potential

Phase 0 goes from negative to positive. All these posters create a positive message

Layers

Cardiac skeleton