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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
1st arch artery gives rise to...
Maxillary artery
26
2nd arch artery..
Stapedial artery
27
5th arch artery
Regresses
28
Aortic horn is formed by....
Left horn of aortic sac Left 4th arch artery Left dorsal aorta
29
Right subclavian artery formed by.....
Right 4th arch artery Right dorsal aorta Right 7th cervical intersegmental artery
30
Brachiocephalic trunk formed by
Right horn of aortic sac
31
Left subclavian artery....
Left 7th cervical intersegmental artery
32
Common carotid artery formed by...
Proximal part of 3rd arch
33
Internal carotid artery is formed by...
Distal part of 3rd arch artery+ cranial part of dorsal aorta
34
Proximal left 6th arch artery.... | Distal lefr 6th arch artery
Proximal-- left pulmornay artery | Distal-- ductus arteriosus
35
Right pulmonary artery formed by....
Right 6th arch artery
36
Right and left horn lf sinus venosus receive blood from .... veins
Right common cardinal vein (part of svc) Right umbilical vein: regresses Right vitelline vein(part of ivc)
37
....veins arise from vitelline vein
Hepatic vein Superior mesentric vein Inferior portion of ivc
38
..... separates right atrium into smooth walled posterior and muscular anterior portion
Crista terminalis
39
..... separates tricuspid valve and pulmonary valve
Crista supraventricularis
40
Lambl's excrescences are present in ...
Aortic valve
41
Right atrium is divided into...
Smooth - Sinus venarum Rough- musculi pectinati Separated by crista terminalis
42
False tendons are present in...
Left ventricles
43
Coarsely trabeculated apical zone is presnt in....
Right ventricle
44
If trabeculations seen in left ventricle then this condition is called....
LV non compaction
45
Tricuspid valves have ....parts
5parts 1. Annulus 2. Leaflets/ cusps: 3 3. Commisures 4. Chordae tendinae 5. Papillary muscles
46
Mitral valves have .... parts | And ....cusps/leaflets
5parts In which their r 2cusps Anterior cusp Posterior cusp
47
..... artery rupture can lead to acute mitral regurgitation, reason
Right coronary artery occlusion | Posteromedial papillary muscle has only 1 blood supply i.e by RCA
48
Wat is annulus? Its function
Fibrous ring , works as a sphincter | Ensures complete closure of leaflet during systole
49
Annular dilatation causes
Mitral and tricuspid regurgitation
50
Ductus arteriosus closes 1. functionally..... after birth 2. anatomically ..... after birth
Functionally 12- 24hrs after birth | Anatomically 2-3 weeks after birth

Cvs (6 decks)

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