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AFCP 1 FINAL > Heart > Flashcards

Heart Flashcards

1
Q

Posterior aspect of heart

A

2/3 left atrium, 1/3 right atrium, a bit of left ventricle
T5-T8 vertebrae
Receives pulmonary veins (4)
In front of esophagus
Base

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2
Q

Inferior aspect of heart

A

2/3 left ventricle, 1/3 right ventricle
Diaphragmatic

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3
Q

Left atrium

A

Receives pulmonary veins
If dilated, can compress esophagus - dysphagia

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4
Q

Right atrium

A

Receives SVC and IVC, coronary sinus, anterior cardiac veins
Smooth = sinus venarum with foams voalis
Rough = pectinate muslce
Crista terminals separaties along SVC and IVC
Opening of coronary sinus is inferior

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5
Q

Anterior aspect of heart

A

Suspectible to trauma
Mostly right ventricle and left ventricle, some of right atrium (auricle)
Sternocostal

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6
Q

Triangle of Koch

A

Inferior part of right atrium
Contains AV node, opening of coronary sinus, septal leaflet of right AV valve

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7
Q

SA node

A

Junction of SVC and crista terminals of right atrium
Pacemaker

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8
Q

Tricuspid valve

A

Cordae tendinae link it to papillary muscles
Anterior, posterior and septal
Between right atrium and ventricle

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9
Q

Right ventricle

A

Rough = trabeculae carneae
Smooth = conus arteriousus

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10
Q

Moderator band

A

Right ventricle
Contains right AV bundle (near septal papillary muscle)

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11
Q

Pulmonary trunk

A

Divides into right and left
Right divides into superior and inferior

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12
Q

Left atrium

A

Receives blood from pulmonary veins (4)
Pectinate muscles and sinus venarum

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13
Q

Left ventricle

A

Trabaculae carnae, conus arteriosum
Aortic vestibule leads to aortic valve
Thicker wall

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14
Q

Bicuspid valve

A

2 papillary muscles - anterior and posterior
AKA mitral

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15
Q

Lub

A

AV valves closing

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16
Q

Dub

A

Semilunar valves closing (aortic and pulmonary)

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17
Q

Aortic valve

A

Right coronary arteries come out of it to supply heart

18
Q

Fibrous skeleton of heart

A

Maintains size and shape, electrical insulator, 4 collagen rings

19
Q

Blood flow

A

Body - SVC/IVC - RA - tricuspid valve - RV - pulmonary valve - lungs - LA - mitral/bicuspid valve - LV - aortic valve - aorta - descending & ascending - body

20
Q

Heart auscultation

A

Aortic - right parasternal, ICS 2
Pulmonic - left parasternal, ICS 2
Tricuspid - left parasternal, ICS 5
Mitral - left midclavicular line, ICS 5

21
Q

Coronary arteries

A

Arise from right and left aortic sinuses, just above aortic valve

22
Q

RCA

A

Right atrium and ventricle, SA node (mostly) and AV node, posterior atrioventricular septum

Branches into post interventricular (determines dominance) and right marginal branch

23
Q

LCA

A

Left atrium and ventricle, AV bundle, some portion of SA node, anterior atrioventricular septum

Branches into ant interventricular (LAD), circumflex (goes to back) and left marginal

24
Q

Venous drainage

A

Great cardiac vein - LAD/ant interventricular (vulnerable during bypass)
Middle cardiac vein - post interventricular
Small cardiac vein - right marginal artery

25
Great cardiac vein
LAD/ant interventricular artery Vulnerable during bypass
26
Middle cardiac vein
Post interventricular artery
27
Small cardiac vein
Right marginal artery
28
LAD
AKA anterior interventricular Runs with great cardiac vein Most likely site of occlusion Supplies AV bundle
29
CAD
Caused by coronary atherosclerosis Accompanied by angina pectoris = chest pain Treat with coronary artery bypass graft (great saphenous), coronary angioplasty, intravascular stent
30
AV node
Right atrium, interaterial septum
31
Bundle of His
Interventricular septum
32
Right bundle branch
Moderator band, right ventricle wall
33
Left bundle branch
Left ventricle wall
34
Purkinje fibers
Interventricular septum, papillary muscles
35
Pacemaker
Replaces SA ndoe L. subclavian - l. brachiocephalic - SVC - right atrium - right ventricle
36
Innervation of heart
Parasympathetic = vagus Sympathetic = T1-T4
37
Cardiac referred pain
Transmitted by visceral afferent fibers which travel with sympathetic fibers
38
Veins path
Internal jugulars and subclavian go into brachiocephalic and into SVC
39
Arteries path
Right common carotid and subclavian go to brachiocephalic trunk No brachiocephalic trunk on left Go into aorta
40
Posterior cardiac vein
Left ventricle, drains into coronary sinus
41
Anterior cardiac vein
Right ventricle, drains into right atrium
42
Apex of heart
Left 5th ICS midclavicular line

AFCP 1 FINAL (14 decks)

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