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Cvs > Cvs Anatomy > Flashcards

Cvs Anatomy Flashcards

1
Q

Most posterior part of the heart

A

Left atrium

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2
Q

Wat is ortner syndrome

A

Enlargement of left atrium (eg. mitral stenosis) will result in compression of esophagus— dysphasia
And compression of left recurrent laryngeal nerve - branch of vagus— Hoarsness
This is known as ortner syndrome

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3
Q

Most anterior part of heart

A

Right ventricle

Most commonly injured in trauma

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4
Q

Pericardium has …layers

A 
3 
Outer to inner
Fibrous 
Parietal 
Visceral
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5
Q

Pericardium innervated by … nerve

A

Phrenic nerve

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6
Q

….artery is most commonly occluded

A

Left anterior descending artery

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7
Q

Left anterior descending artery supplies

A

Anterior 2/3rd of interventricular septum,
Anterolateral papillary muscle,
Anterior surface of left ventricle

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8
Q

….artery is dependent of dominance

A

Posterior descending artery

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9
Q

….artery is independent of dominance

A

Right coronary artery

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10
Q

Posterior descending artery supplies

A

Posterior 1/3 of interventricular septum,
Posterior 2/3 walls of ventricles,
Posteromedial papillary muscles

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11
Q

Right coronary artery supplies

A

SA Node
Its infarct may cause nodal dysfunction
Bradycardia/heart block

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12
Q

… supplies right ventricle

A

Right(acute) marginal artery

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13
Q

Coronary blood flow peaks in ….

A

Early diastole

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14
Q

…..forms endothelial/cardiac tubes

A

Angiogenic clusters in splanchnic mesoderm

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15
Q

The 2 endothelial heart tubes fuse on …day

A

Day 19

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16
Q

…. series of dilatation takes place

A
  1. Truncus arteriosus
  2. Bulbous cordis
  3. primitive ventricle
  4. primitive atria
  5. sinus venosus
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17
Q

…..day heart begins to contract

A

Day 22

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18
Q

Looping occurs on … day

A

Day 23

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19
Q

Spiral septum separates…

A

Aorta and pulmonary trunk

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20
Q

Spiral septum is a …. derivative

A

Neural tube derivative

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21
Q

Spiral septum if anteriorly displaced…

A

Tetralogy of fallot(TOF)

22
Q

Spiral septum absent

A

Persistent truncus arteriosus

23
Q

Failure of fusion of spiral septum

A

Transposition of great vessels

24
Q

Dorsal aorta connected to aortic sac by…. arteries

A

6 arch arteries

25
Q

1st arch artery gives rise to…

A

Maxillary artery

26
Q

2nd arch artery..

A

Stapedial artery

27
Q

5th arch artery

A

Regresses

28
Q

Aortic horn is formed by….

A

Left horn of aortic sac
Left 4th arch artery
Left dorsal aorta

29
Q

Right subclavian artery formed by…..

A

Right 4th arch artery
Right dorsal aorta
Right 7th cervical intersegmental artery

30
Q

Brachiocephalic trunk formed by

A

Right horn of aortic sac

31
Q

Left subclavian artery….

A

Left 7th cervical intersegmental artery

32
Q

Common carotid artery formed by…

A

Proximal part of 3rd arch

33
Q

Internal carotid artery is formed by…

A

Distal part of 3rd arch artery+ cranial part of dorsal aorta

34
Q

Proximal left 6th arch artery….

Distal lefr 6th arch artery

A

Proximal– left pulmornay artery

Distal– ductus arteriosus

35
Q

Right pulmonary artery formed by….

A

Right 6th arch artery

36
Q

Right and left horn lf sinus venosus receive blood from …. veins

A

Right common cardinal vein (part of svc)
Right umbilical vein: regresses
Right vitelline vein(part of ivc)

37
Q

….veins arise from vitelline vein

A

Hepatic vein
Superior mesentric vein
Inferior portion of ivc

38
Q

….. separates right atrium into smooth walled posterior and muscular anterior portion

A

Crista terminalis

39
Q

….. separates tricuspid valve and pulmonary valve

A

Crista supraventricularis

40
Q

Lambl’s excrescences are present in …

A

Aortic valve

41
Q

Right atrium is divided into…

A

Smooth - Sinus venarum
Rough- musculi pectinati
Separated by crista terminalis

42
Q

False tendons are present in…

A

Left ventricles

43
Q

Coarsely trabeculated apical zone is presnt in….

A

Right ventricle

44
Q

If trabeculations seen in left ventricle then this condition is called….

A

LV non compaction

45
Q

Tricuspid valves have ….parts

A

5parts

  1. Annulus
  2. Leaflets/ cusps: 3
  3. Commisures
  4. Chordae tendinae
  5. Papillary muscles
46
Q

Mitral valves have …. parts

And ….cusps/leaflets

A

5parts
In which their r 2cusps
Anterior cusp
Posterior cusp

47
Q

….. artery rupture can lead to acute mitral regurgitation, reason

A

Right coronary artery occlusion

Posteromedial papillary muscle has only 1 blood supply i.e by RCA

48
Q

Wat is annulus? Its function

A

Fibrous ring , works as a sphincter

Ensures complete closure of leaflet during systole

49
Q

Annular dilatation causes

A

Mitral and tricuspid regurgitation

50
Q

Ductus arteriosus closes

  1. functionally….. after birth
  2. anatomically ….. after birth
A

Functionally 12- 24hrs after birth

Anatomically 2-3 weeks after birth

Cvs (6 decks)

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