Review Heart Flashcards

1
Q

apex of the heart

A

LV

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2
Q

where is apex located

A

left 5th intercostal space

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3
Q

what is the “box” in which the heart lives from top left clockwise

A

right 3rd costal cartilage
left 2nd costal cartilage
left 5th intercostal space
right 6th costal cartilage

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4
Q

tendon of conus arteriosus

A

aortic to pulmonary semilunar valves

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5
Q

left fibrous trigone

A

mitral valve to aortic semilunar valves

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6
Q

right fibrous trigone

A

AV valve to aortic semilunar valves

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7
Q

what a. sits in atrioventricular groove/coronary sulcus

A

right coronary

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8
Q

what are the 2 branches of r. coronary a?

A

marginal

post. interventricular

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9
Q

what does the nodal a. come off of?

A

right coronary

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10
Q

which v. does not drain to the coronary sinus?

A

ant. cardiac veins

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11
Q

pnemonics for cardiac veins

A

great to be on front: great cardiac v.
kids in the middle back of car: middle cardiac v.
small dog on the side: small cardiac v.

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12
Q

what type of cells are the conducting system of the heart

A

modified muscle cells

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13
Q

70-80 /minute

A

SA node

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14
Q

where is the SA node located

A

junction of SVC and RA

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15
Q

40-60 /minute

A

AV node

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16
Q

where is AV node located

A

posteroinferiror region of interatrial septum near coronary sinus

17
Q

20-40/minute

A

AV bundle/purkinje fibers

18
Q

where do you listen to the aortic semilunar valve?

A

right 2nd intercostal space

19
Q

listen- pulmonary semilunar valve?

A

left 2nd intercostal space

20
Q

listen- tricuspid valve

A

lower left body of sternum

21
Q

listen- mitral valve

A

left 5th intercostal space

22
Q

“lub”

A

blood flow hitting the closed AV valves

23
Q

“dub”

A

blood flow hitting the closed semilunar valves