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Phase 1 powerpoint Cardio > Cardiac anatomy > Flashcards

Cardiac anatomy Flashcards

1
Q

Where is the heart anatomically located?

A

Mediastinum
Shifted to left
Sit on top diaphragm

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2
Q

What are borders/contents of anterior mediastinum?

A

Borders:
Anterior- Sternum
Posterior- Middle mediastinum

Contents:
Thymus
Lymph nodes
Internal thoracic vessels
Thyroid tissue

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3
Q

What are contents of middle mediastinum?

A

Contents:
Pericardium and heart
Acending aorta
SVC/IVC
Brachiocephalic vessels
Pulmonary vessels
Trachea/main bronchi
Phrenic, vagus, left recurrent laryngeal nerves

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4
Q

What are borders/contents of posterior mediastinum?

A

Borders:
Anterior- Middle mediastinum
Posterior- Anterior thoracic vertebral column

Contents:
Oesophagus
Azygous and hemizygous
Descending aorta

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5
Q

What are three layers of heart?

A

Endocardium (inner)
Myocardium (middle)
Epicardium (outer)

EME

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6
Q

What is endocardium?

A

Innermost layer
Made epithelial cells
Lines heart chambers and valve

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7
Q

What is myocardium?

A

Muscular middle layer (M)
Presence cardiac myocytes
- Striated branching cells
- Many mitochondria
- Intercalated discs- allow contraction in sync

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8
Q

What feature in myocardium allows contraction in sync?

A

Intercalated discs

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9
Q

What is epicardium?

A

Cover surface heart and great vessels
Outermost

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10
Q

What is the fibrous sac that encloses the heart called?

A

Pericardium

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11
Q

What as the two layers of pericardium?

A

Fibrous and serous

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12
Q

What is the function of pericardium?

A

Fibrous sac encloses heart and great vessels
Keep heart stable location in med.
Facilitates movements heart
Seperates heart from lung and other structures

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13
Q

What is the fibrous pericardium? Function?

A

Outer later
Tough connective tissue- anchors heart to mediastinum
Lined by parietal pericardium, secrete fluid

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14
Q

What is serous pericardium? Function?

A

Simple squamous epithelium layer

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15
Q

What pericardium covers outer surface of heart?

A

Visceral (epicardium)

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16
Q

What supplies blood to heart? Label?

A
17
Q

Label?

A
18
Q

Label?

A
19
Q

Label?

A
20
Q

Label?

A
21
Q

Label?

A
22
Q

Label?

A
23
Q

Draw abdominal aorta?
What does aa run from until?

A

T12-L4

24
Q

Where does abdominal aorta start and finish?

A

T12-L4

25
Q

What does abdomial aorta bifurcate?

A

Right and Left common iliac

26
Q

Where does the right external iliac change?

A

Inguinal ligament- change femoral

26
Q

Where does the right external iliac change?

A

Inguinal ligament- change femoral

27
Q
A

Phase 1 powerpoint Cardio (19 decks)

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