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Heart - Physiology

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Servier Medical Art by Servier is licensed under a Creative Commons Attribution 3.0 Unported License

Heart (1)

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Heart (2)

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Heart (3)

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Heart (4)

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Heart (5)

SA node

AV node Common bundle

Bundle branches

Purkinje fibers

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Heart (6)

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Heart vascularization

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Aorta

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Heart conduction

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The cardiac cycle

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Arterial buffering function

Diastole Systole

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Bloodstream

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Neonatal cardiomyocytes

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Adult cardiomyocytes

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Cardiac muscle cells

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Layers of the heart

Pericardium

Myocardium

Fibrous pericardiumSerous pericardium (parietal layer)

Pericardial space

Serous pericardium (visceral layer - Epicardium)

Endocardium

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Valves

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Heart sections

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Normal ECG

R

Q

T

UP

S

mV

+

-

PWave

SpaceQRS

ST

T

PQ