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Cardio > Anatomy > Flashcards

Anatomy Flashcards

1
Q

What is the first branch of the aorta (and the only branch of the ascending aorta)?

A

Coronary arteries

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2
Q

Name the 3 branches of the arch of the aorta in order of most proximal to the left ventricle to most distal

A

Brachiocephalic trunk
Left common carotid artery
Left subclavian artery

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3
Q

What is an auricle, where do you find it and what is its purpose?

A

Ear like protrusions from the artia which fill with blood

Act as excess capacity

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4
Q

At what level does the aorta pass through the diaphragm?

A

T12 (I ate 10 eggs at 12)

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5
Q

Name the branches of the left and right coronary artery

A

Left

  • Left circumflex
  • Left marginal
  • LAD/ anterior interventricular
    • Left diagonal branch

Right

  • Posterior interventricular
  • Right marginal
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6
Q

What can be found in the left and right atrioventricular grooves underneath the auricles?

A

The origin of left and right coronary arteries

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7
Q

What layer of the heart do you find the coronary arteries in?

A

Epicardium (surrounded by adipose tissue)

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8
Q

What is the vessel responsible for drainage of cardiac veins into RA and where is it found?

A

Coronary sinus

Atrioventricular groove posteriorly

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9
Q

What is the only valve with two cusps as opposed to 3?

A

Mitral/bicuspid

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10
Q

Match the following heart surfaces to the chambers of the heart

  • Anterior/subcostal surface
  • Posterior/base
  • Inferior/diaphgramatic
  • Right pulmonary
  • Left pulmonary
A
  • Anterior/subcostal = Right ventricle
  • Posterior/base = left atrium
  • Inferior/diaphgramatic = left and right ventricles
  • Right pulmonary = right atrium
  • Left pulmonary = left ventricle
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11
Q

What is the “crux” of the heart?

A

The junction of all 4 chambers

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12
Q

Go to picture of coronal view of heart valves and name them

A

Do it u lazy bitch

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13
Q

What attaches to valves via chordae tendineae?

A

Papillary muscles

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14
Q

Where is the SA node found?

A

Right atrium

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15
Q

Where would you find pectinate muscle?

A

In the atria (R mainly) and form the ridges of the atria walls

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16
Q

What is name for the embryological remmant which once allowed blood flow between the pulmonary artery and aorta?

A

Ligamentum arteriosum

17
Q

Where and what is the fossa ovalis?

A

Fossa ovalis is where the foramen ovale (patent hole during developement - between atria) used to be
Depressed region of the RA, at the interatrial septum

18
Q

What artery is occluded when measuring blood pressure?

A

Brachial artery

19
Q

What vessel is formed by the union of the L and R brachiocephalic vein?

A

SVC

20
Q

What coronary artery supplies the SA and AV node in the majority of people?

A

R coronary artery

21
Q

Describe the pathway of the vagus and phrenic nerves

A

Phrenic nerves go around and infront of hilum
Vagus go behind and more medially
(Phrenic = phast = fast - go around and in front)

22
Q

What are the layers of the heart from most superficial to deep

A 
Fibrous pericardium
Serous pericardium
//Pericardial cavity//
Visceral pericadrium/epicardium
Myocardium
Endocardium
23
Q

How much straw coloured fluid is physiologically found in the pericardium?

A

50mls

24
Q

Intra-pericardial pressure is normally positive. True/False?

A

False - either negative or zero

25
Q

What vessel is the major blood supply of base of heart?

A

Right coronary artery

26
Q

Veretrbal arteries enter the cranial cavity via???

A

Foramen magnum

27
Q

Where does the thoracic duct drain into?

A

L venous angle

28
Q

What vessel supplies the SA and AV node in most people?

A

Right coronary artery

29
Q

What larngeal nerve goes all the way down into the chest?

A

Left recurrent larngeal nerve

Cardio (15 decks)

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