Cardiovascular System

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Name the parts of the heart
Superior vena cava, right atrium, tricuspid valve, right ventricle, inferior vena cava, aortic valve, muscle, septum, left ventricle, bicuspid valve, pulmonary valve, pulmonary vein, pulmonary artery, left atrium, aorta
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What is the pulmonary circuit?
Carries deoxygenated blood to lungs and oxygenated blood back to heart
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What is the systemic circuit?
Carries oxygenated blood to body and deoxygenated back to heart
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Explain the conduction system
SA node creates impulse, AV node receives and delays impulse, Bundle of His carries impulse down septum + splits it in two, bundle branches carry impulse to bottom of ventricles, purkinjie fibres make ventricles contract
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What are the 3 parts to the cardiac cycle?
Diastole, atrial systole, ventricular systole
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What is heart rate?
The number of bears completed in one minute
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What is average HR?
72
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What is it called where heart rate is lower than 60bpm?
Bradycardia
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How do you calculate max HR?
220 - age
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What is stroke volume?
Volume of blood ejected from left ventricle per beat
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What is average stroke volume?
70ml
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What is stroke volume dependent on?
Venous return, elasticity of cardiac muscles
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What is cardiac output?
Volume of blood ejected from left ventricle per minute
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What is average cardiac output?
5000ml
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What is equation for cardiovascular system?
HR x SV = Q
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Other cards in this set

Card 2

Front

What is the pulmonary circuit?

Back

Carries deoxygenated blood to lungs and oxygenated blood back to heart

Card 3

Front

What is the systemic circuit?

Back

Preview of the front of card 3

Card 4

Front

Explain the conduction system

Back

Preview of the front of card 4

Card 5

Front

What are the 3 parts to the cardiac cycle?

Back

Preview of the front of card 5
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