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Heart Flashcards

1
Q

Fibrous pericardium

A

anchors heart in thoracic cavity, fused to central tendon of diaphragm
Phrenic n. and pericardiacophrenic a. and v. travel inside

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2
Q

Serous pericardium

A

fused to fibrous pericardium
on wall = parietal
on heart & great vessels = visceral or epicardium

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3
Q

Oblique sinus

A

lower line of reflection between pericardium - under pul. veins and heart

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4
Q

Transverse sinus

A

upper space under aorta and pulmonary ar.

Separates inflow from outflow

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5
Q

Apex

A

Left ventricle

located at left 5th intercostal space on midclavicular line

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6
Q

Right border

A

Right 3rd costal cartilage to right 6th costal cartilage

Right atrium, SVC & IVC along this border

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7
Q

Inferior border

A

Right 6th costal cartilage to left 5th intercostal space

Right ventricle and apex of left ventricle

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8
Q

Left border

A

Left 5th intercostal space to left 2nd costal cartilage

Left ventricle and left auricle

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9
Q

Superior border

A

Left 2nd costal cartilage to right 3rd costal cartilage

Right and left auricles, conus arteriosus

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10
Q

Coronary Sulcus (Atrioventricular groove)

A

in front of heart (crown), right side to around tobe and back
Coronary a. sits here

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11
Q

Anterior interventricular groove

A

between 2 ventricles on front of heart

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12
Q

Posterior interventricular groove

A

on back, diaphragmatic surface between ventricles

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13
Q

Sinus venarum

A

smooth muscle surface of RA, come from blood vessel - posterior wall

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14
Q

Pectinate muscles

A

rough anterior wall of RA

comes from baby heart - wall of RA and in R & L auricles

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15
Q

Interatrial septum

A

thick up high, thin lower because of Fossa Ovalis (only on right side)

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16
Q

Opening to Cornonary Sinus

A

In RA

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17
Q

RA blood in and out

A

In: SVC, INC and coronary sinus
Out: to RV through AV tricuspid valve

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18
Q

Crista terminalis

A

ridge that separates rough and smooth muscles

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19
Q

Tricuspid valve contains

A

anterior, posterior, and septal cusps

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20
Q

Chordae Tendinae

A

ligaments attached to AV valve cuspse

anchored by Papillary muscle

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21
Q

Papillary muscle

A

anchors chordae tendinae of AV valve

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22
Q

Trabeculae carneae

A

rough walls of ventricles

Papillary muscles come off of

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23
Q

Muscular IV septum

A

thick lower in ventricle

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24
Q

Membranous IV septum

A

thinner upper

25
Conus Arteriosus
Outflow of heart in RV, like funnel to pulmonary a. | from Bulbous cordis
26
Right ventricle blood in and out
In: from RA Out: pulmonary arteries
27
Semilunar valves
in Pulmonary arteries and aorta
28
Moderator band
off of IV septum in RV, goes to papillary muscle | conducts impusle
29
Pulmonary artery semilunar valves
Anterior, right and left
30
Aorta semilunar valves
Posterior, right, and left
31
Left atrium blood in and out
In: 4 pulmonary veins Out: AV valve - Mitral / bicuspid
32
Left ventricle blood in and out
In: AV valve from LA Out: Aorta
33
Aortic vestibule
outflow part of LV | from Bulbous cordis
34
Diastole
ventricles are relaxing and filling | AV valves open, semilunar closed
35
Systole
Semilunar open, AV closed | high blood pressure, push blood out of heart
36
Fibrocartilagenous tissue
surrounds valves, divides atria from ventricles, provides barrier between atrial and ventricles for conductive system, provides attachment for heart valves and myocardium
37
Tendon of conus arteriosus
aortic ring attached to pulmonic ring
38
Left fibrous trigone
attaches mitral valve to aortic semilunar valves
39
Right fibrous trigone
attaches atrioventricular valves to aortic semilunar vlaves
40
Valves to coronary arteries sit
in aortic semilunar valves, just above L & R cusps
41
Right Coronary a.
longer of 2 arteries | branches into Nodal a., Marginal a., and Posterior interventricular a.
42
Nodal artery
branch of right coronary a. | supplies SA node
43
Right marginal a.
to apex, branch of R. coronary artery
44
Posterior interventricular a.
sits in posterior interventricular groove | branch of right coronary a.
45
Left coronary a.
branches right away into Circumflex and anterior interventricular (LAD) branches
46
Circumflex a.
wraps around coronary sulcus toward r. coronary a.
47
Left anterior descending a. (anterior interventricular)
in anterior interventricular groove, toward apex
48
Coronary sinus
main vein, drains into right atrium
49
Great cardiac vein
in front, in anterior interventricular groove with LAD
50
Middle cardiac vein
in back, posterior interventricular groove
51
Small cardiac vein
off side, runs with marginal a. on front
52
Anterior cardiac veins
cross right coronary a., only veins that drain directly into RA, not coronary sinus
53
Sinuatrial node
initiates impulse for contraction | junction of SVC and right atrium
54
Atrioventricular node
in posteroinferior region of interatrial septum near coronary sinus collects impulses from atria and distributes to ventricles through the AV bundle of His
55
Cardiac plexus
sympathetics and parasympathetics (vagus) | Sympathetic chain T1-T5
56
Aortic semilunar valve
right 2nd intercostal space
57
Pulmonary semilunar valve
left 2nd intercostal space
58
tricuspid valve
lower left body of sternum
59
Mitral valve
left 5th intercostal space

Anatomy (20 decks)

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