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BRS - Cardio > Intro to Heart > Flashcards

Intro to Heart Flashcards

1
Q

What are the 4 chambers of the heart?

A

right + left atrium + ventricles

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2
Q

What is the blood vessel going into the RA?

A

vena cava

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3
Q

What is the blood vessel going into the LA?

A

pulmonary vein

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4
Q

What is the blood vessel going out of the RV?

A

pulmonary artery

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5
Q

What is the blood vessel going out of the LV?

A

aorta

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6
Q

What are the valves called between the atria and ventricles?

A

atrio-ventricular

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7
Q

What are the valves called between the ventricles and the blood vessels?

A

semi-lunar

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8
Q

What are the valves called between the right atrium and ventricle?

A

tricuspid

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9
Q

What are the valves called between the left atrium and ventricle?

A

bicuspid or mitral

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10
Q

What are the valves called between the left ventricle and the aorta?

A

aortic

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11
Q

What are the valves called between the right ventricle and the pulmonary artery?

A

pulmonary

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12
Q

What are the tracts that transmit the electrical signal along the myocardium of the atria?

A

internodal tracts

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13
Q

What node is located in the upper wall of the right atrium?

A

sinoatrial node

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14
Q

What is the significance of the SA node?

A

specialised muscle fibres, pacemaker of the heart

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15
Q

What fibres need to be electrically activated for ventricular contraction?

A

purkinje

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16
Q

What node corresponds with the P-R interval in the ECG?

A

atrioventricular

17
Q

Which fibres contribute to the P-R interval in the ECG?

A

bundle of his

18
Q

What are purkinje fibres?

A

large muscle fibres that conduct electrical impulses to the apex

19
Q

What is the significance of the AV node?

A

b

20
Q

What is the Bundle of His?

A

b

21
Q

What is a coronary artery?

A

b

22
Q

Where is the right coronary artery?

A

b

23
Q

Where is the left coronary artery?

A

b

24
Q

Where is the circumflex artery?

A

b

25
Q

Where is the left anterior descending?

A

b

BRS - Cardio (15 decks)

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