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anatomy > External Features of the Heart > Flashcards

External Features of the Heart Flashcards

1
Q

know the sides of the hearts pyramid

A
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2
Q

What is an external sulci?

A

heart divides into 4 chambers (2 atria and 2 ventricles) to produce surface grooves referred to as sulci.

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3
Q

What is the coronary sulcus?

A

-circles the heart and separates the atria from the ventricles

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4
Q

The coronary sulcus contains?

A

-right coronary a.
-sm. cardiac v
-coronary sinus
-circumflex branch of left coronary a.

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5
Q

The Anterior and posterior interventricular contain?

A

LAD, Great Cardiac Vein Posterior interventricular B. and Middle Cardiac Vein

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6
Q

Know your anterior surface structures ppt 6, 7, 8

A
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7
Q

The coronary arteries arise from the ?

A

-aortic sinuses in the initial portion of ascending aorta and supply the heart.

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8
Q

The arterial vessels supply the heart by?

A

-encircling the heart in coronary sulcus and transversing the anterior and posterior surfaces by traveling thru INTERVENTRICULAR SULCI.

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9
Q

explain ppt 10
know ppt 11

A
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10
Q

The left of heart:
arises from? Gives blood to ?

Left (main) coronary artery:

A

-arises from the aorta
-distributes blood to a larger area of myocardium than the right coronary artery.

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11
Q

The left coronary artery supplies:

A

-most of the left ventricle
-left atrium
-bundle of His
-anterior aspect of the interventricular septum

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12
Q

the left coronary artery bifurcates into what 2 major vessels?

A

-Left anterior descending artery
-left circumflex artery

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13
Q

the left anterior descending artery/ interventricular a.

A

-gives diagonal branch

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14
Q

the left anterior descending artery/ interventricular a. SUPPLIES?

A

-anterior region of the left ventricle
-apex
-anterior interventricular septum
-anterolateral papillary muscle

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15
Q

left circumflex artery supplies the ?

A

-posterolateral side of the left ventricle

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16
Q

The left circumflex artery

A

wraps around the left side to the posterior side of the heart and gives of the LEFT MARGINAL branch.

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17
Q

The right coronary artery:

A

-arises from the aorta

18
Q

The right coronary artery supplies the ?

A

-right atrium
-right ventricle
-sinuatrial (SA) node
-AV node

19
Q

the right coronary gives rise to the following artery branches:

A

-posterior descending artery

-right marginal artery

-SA nodal artery

20
Q

-posterior descending artery supplies the …

A

-inferior wall
-posterior interventricular septum
-posteromedial papillary muscle

21
Q

Right marginal artery supplies the

A

-the right ventricular wall

22
Q

SA nodal artery:

A

-passes btw the right atrium and the opening of the superior vena cava and supplies the SA node.

23
Q

How is coronary dominance determined ?

A

-by the coronary arteries (right or left) that GIVES RISE TO THE POSTERIOR INTERVENTRICULAR ARTERY.

24
Q

The posterior interventricular septum and part of the left ventricle are supplied by the?

A

-posterior interventricular A

25
Q

look at ppt 17

A
26
Q

When does the maximum blood flow to the myocardium occcur?

A

-heart is relaxed

27
Q

little blood flow occurs when

A

-heart is contracting

28
Q

ppt 19

A
29
Q

the coronary sinus :

A

-largest vein draining deoxygenated blood from heart

-lies in the coronary sulcus

-collects most of the venous return from
[great, middle, small cardiac veins]

30
Q

Great cardiac vein

A

-begins at apex of heart
-ascends in anterior inter
-runs parallel to left anterior descending artery into coronary sinus

31
Q

what are the 3 cardiac veins?

A

-Great cardiac vein
-Middle cardiac vein
-small cardiac vein

32
Q

middle cardiac vein

A

-begins at apex of the heart
-ascends in the posterior interventricular sulcus
- // to posterior interventricular artery and drains to coronary sinus

33
Q

small cardiac vein

A

-runs along margin of the heart

  • runs with the right marginal artery
  • drains to the coronary sinus
34
Q

review ppt 22, 23, 24

A
35
Q

What is coronary Angiography?

A

catheter passed in the ascending aorta through femoral/radial artery

36
Q

What is coronary artery disease

A

-lipid deposits in the coronary arteries

37
Q

What is angina pectoris and myocardial infarction?

A

-pain originates in the heart due to ischemia

-dec in O2 results in lactic acid build up which causes pain receptors

[pain in L shoulder, down l arm]

38
Q

Internal Thoracic artery

A

-carries oxygenated blood flow to ventricles

39
Q

Where to we obtained heart pulses?

A

-radial artery pulse
-ulnar artery pulse
-brachial artery pulse
-carotid artery pulse
-facial artery pulse

Lower:
–femoral artery pulse
-popliteal artery pulse
-posterior tibial artery pulse
dorsalis pedis artery pulse

40
Q

What drains the Brachiocephalic vein

A

superior vena cava, which goes on to drain into the right atrium of the heart.

anatomy (9 decks)

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