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ANATOMY TWO > Heart > Flashcards

Heart Flashcards

1
Q

location of heart

A

30, SVC
32, left sup end of coronary sulcus
59, apex of heart
61, right lower end of coronary sulcus

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2
Q

the axis position of heart?

A

60 degrees saggital
30 degrees transverse
15 in axis og heart

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3
Q

axis of heart?

A

midcapula–>apex of heart

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4
Q

surfaces of heart?

A

sternocostal
diaphragmatic
pulmonary right and left

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5
Q

layers of pericardium

A

parietal and visceral

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6
Q

what is parietal and viceral layer of pericardium made up of?

A

Parietal: outer fibrous and an inner serous
viceral: serous layer

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7
Q

what is sabbey T

A

reflections of the pericardium around R. and L. pulmonary veins and IVC.

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8
Q

which are the pericardiac sinuses?

A
  • transvese sinus ( b/w aorta and pulmonary trunk)

- oblique sinus: located at the venous reflections.

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9
Q

arterial supply to pericardium?

A

pericardiophrenic a. ( Internal thoracic a.)

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10
Q

venous drainage of pericardium?

A

pericardiophrenic v. —>brachiocephalic v.

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11
Q

Innervation of pericardium?

A

phrenic n. (c3-c5)

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12
Q

Layers of heart?

A
  • outer fibrous parietal
  • Inner serous parietal
  • epicardium ( viceral pericardium)
  • myocardium
  • endocardium
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13
Q

layer of the muscles of heart?

A

ventricle: (outer: oblique–>circular–> long)
atrium: outer: circular inner: longitudinal

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14
Q

what is pericardial cavity?

A

space b/W parietal and viscerallayer. Contains serous fluid allowinf free movement and lubricates heart.

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15
Q

what is crux cordis?

A

where the interventricular sulci join the coronry sulcus at a right angle posteriorly.

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16
Q

what is waterstons groove?

A

used as surgical incisions into the left atrium. B/w right pulmonary v. and right atrium

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17
Q

branches of aortic arch?

A
  1. brachiocephalic trunk(–>right comon carotid and right subclavian)
  2. left common carotid
  3. left subclavian
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18
Q

what is terminal sulcus?

A

groove seperating right auricle and atrium proper.

19
Q

structures in right atrium?

A
  • IVC orfice at 5th costal cartilage
  • SVC orfice at 3rd costal cartilage
  • coronary sinus orfice
20
Q

what seperates right and left atrium?

A

Inter atrial septum

21
Q

what is oval fossa and limbus?

A

oval fossa is remnant of oval foramen.

22
Q

what is kock triangle and its borders?

A

identificate AV-node

b/w tricuspid valve and thebasian valve of coronary sinus

23
Q

what seperatesinflow and outflow in right ventricle?

A

Its a V-shaped structure where the inflow and outflow is seperated by SUPRAVENTRICULAR CREST

24
Q

what is conus arteriosus?

A

The outflowing part of the heart where pulmonary trunk starts( infundibulum from inside)

25
Q

structures in left ventricle?

A

septomarginal trabeculae ( ant papillart m. attached)

26
Q

cusps of the tricuspid valve? what are they attached to?

A

Right, Left, septal, –> chorda teniae–> papillary m.

27
Q

The papillart m. of right ventricle?

A

Ant: ant and post cusp. from septomarginal trabeculae

post: septal and post
septal: arises from interventricular wall, motionless

28
Q

What seperates right and left ventricle?

A

interventricular septum

  • membranous (attached to septal cusp of tricuspid valv)
  • muscular
29
Q

openings in left atrium?

A

Right and left pulmonary veins

valve of foramen ovale

30
Q

structure in left ventricle?

A
  • more numerous trabeculae carnea
  • antero-lateral papilary m.
  • postero-medial papillary m.
31
Q

what seperates the inflow and outflow of the left ventricle?

A

the anterior cusp of bicuspid valve

32
Q

what is fibrous skeleton of heart?

A

4 fibrous rings surrounding the orfices of the valves forminf right and left trigone.

33
Q

right fibrous trigone ( central fibrous body) formed by?

A

formed by:
septal cusp of tricuspid
ant cusp of bicuspid
post cusp of aortic valve

34
Q

left fibrous trigone?

A

-left aortic cusp

ant of bicuspid valve

35
Q

what are the cusped valves made of?

A

mesothelium (dublication of endocardium)

36
Q

typer of chorda teniae?

A

commisural
marginal
basal

37
Q

what are chordae tenia composed of?

A

pars densa
pars flaccida
- 2 lunules
- 1 nodule

38
Q

auscultation of heart?

A
  • 2,2 IC to right (midsternal line : AORTIC VALVE
  • 2,2 IC to left, midsternal line: PULMONARY VALVE
  • 5,2 IC to left, midsternal line: tricuspid
  • 5,9 IC to left, midclavicular line: APEX
39
Q

Erbs point?

A

3 IC 3cm point for all sounds

40
Q

branches right coronary artery?

A

Arises from right ant aortic sinus

  • ascending SA-nodal ranch
  • conus branch
  • right marginal
  • right atrial
  • Posterior interventricular
  • right posterolateral
  • AV-nodal branch
41
Q

branches of left coronary artery?

A
  • Anterior interventricular branch
    lateral diagonal
    ascending SA branch
    ant septal branch
  • Circumflex branch
    left marginal
    left posteriolateral
    left atrial
42
Q

venous drainage of heart?

A
  • Great
  • Middle
  • Small
  • Smallest
  • oblique
43
Q

what is coronary sinus?

A

Post aspect of heart which collects blood from the veins.

44
Q

innervation of heart?

A

Cercical, stellate, thoracic ganglion

ANATOMY TWO (22 decks)

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