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Cardiovascular > Heart Anatomy > Flashcards

Heart Anatomy Flashcards

1
Q

Where does the Manubrium meet the Body of the sternum? Also where 2nd rib joins sternum.

A

The sternal angle (of Louis)

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2
Q

What level of the vertebrae does the sternal angle correspond to?

A

T4

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3
Q

What are the 3 levels of the the sternum?

A
  1. Manubrium
  2. Body
  3. Xiphoid Process
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4
Q

Where is the apex of the heart found in relation to the rib cage?

A

5th intercostal space, medial to midclavicular line (left)

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5
Q

What veterbral level does the xiphosternal joint correspond to?

A

T9

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6
Q

What are the layers of the pericardium?

A
  • Fibrous pericardium
  • Serous parietal pericardium (fused to FP)
  • Serous visceral pericardium (fused to myocardium)
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7
Q

What does serous mean?

A

-fluid producing

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8
Q

What is the inferior border of the fibrous pericardium fused to?

A

The central tendon of the diaphragm and the inferior venacava

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9
Q

What is the structure that drains the majority of coronary circulation?

A

coronary sinus

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10
Q

Arteriosclerosis

A

Hardening of the blood vessels

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11
Q

Atherosclerosis

A

Blockage of the blood vessels

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12
Q

What is it called when the foramen ovale doesn’t fuse at birth?

A

a Patent foramen

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13
Q

What is the embryological origin of the aorta and pulmonary trunk?

A

The truncus arteriosus

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14
Q

What is the embryological origin of the smooth portions of the atria?

A

sinus venosus

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15
Q

What is the embryological origin of the SVC and IVC?

A

Sinus venosus

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16
Q

What is the embryological origin of the Coronary Sinus?

A

Left horn of the sinus venosus

17
Q

What is the embryological origin of the limbus of the fossa ovalis?

A

Septum secundum

18
Q

What drains the other 40% of the coronary circulation?

A

Venae cordis minimae

19
Q

What is the portion of septum in the right ventricle that separates the tricuspid and pulmonary valves?

A

Crista supraventricularis

20
Q

What artery supplies the AV node?

A

60% Right coronary artery at crux

40% Anterior interventricular artery

21
Q

What artery supplies blood to the interventricular septum?

A

2/3 Anterior interventricular artery

1/3 posterior interventricular artery

22
Q

Where is the SA node located?

A

The junction of the SVC and the right atrium

23
Q

Where is the AV node located?

A

In AV septum near opening to the coronary sinus

Cardiovascular (6 decks)

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