Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Heart > Flashcards

Heart Flashcards

1
Q

Fibroserous sac that encloses the heart and the roots of the great vessels and occupies the middle mediastinum

A

PERICARDIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

3 layers of the pericardium

A

Visceral layer of SEROUS pericardium
Parietal layer of SEROUS pericardium
Fibrous pericardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Known as EPICARDIUM

Consists of layer of SIMPLE SQUAMOUS EPITHELIUM (mesothelium)

A

Visceral layer of SEROUS pericardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Thick collagen layer with limited ability to distend acutely

A

Fibrous pericardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Descend through the mediastinum lateral to the fibrous pericardium and are in jeopardy during surgery to the heart

A

Phrenic nerve

Pericardiophrenic artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Innervation of the pericardium

A

Phrenic nerve (C3-C5)

referred to the skin (C3-C5 dermatomes) of the IPSILATERAL SUPRACLAVICULAR REGION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Removal of fluid from pericardial cavity

A

PERICARDIOCENTENSIS

Sternal approach
Subxiphoid approach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Surfaces of the Heart

A

Sternocostal (Anterior)
Diaphragmatic (Inferior)
Base (Posterior)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Borders of the Heart

A

RIGHT - RA, SVC, IVC

LEFT - LV, aortic, pulmonary trunk

SUPERIOR - R/L auricles

INFERIOR - RV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Supply oxygenated arterial blood to the heart

A

RCA and LCA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Arises form the right aortic sinus (of Valsalva) of the ascending aorta and courses in the coronary sulcus

A

Right Coronary Artery (RCA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Branches of RCA

A

SA nodal
Right marginal
Posterior interventricular/Posterior descending
AV nodal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The blood supply of the heart is considered ___________ if the posterior interventricular artery arises from the RCA

A

Right side dominant (MOST COMMON)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Posterior interventricular artery is a branch of circumflex branch of the LCA

A

Left Dominance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Both the R coronary and circumflex arteries contribute to the formation of the posterior interventricular artery

A

Codominance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Supplies the right atrium

A

Right Coronary Artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Supplies the right and left ventricles

A

Anterior Descending/Left Anterior Descending (LAD) artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Supplies the left margin of the left ventricle

A

Circumflex - left marginal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The LARGEST vein draining the heart and drains directly into the right atrium

A

Coronary Sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A crescent shaped valve remnant at the opening of the coronary sinus

A

Thebesian valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Tributaries of Coronary Sinus

A

Great cardiac vein
Small cardiac vein
Middle cardiac vein
Oblique

22
Q

Accompanying artery of the GREAT CARDIAC VEIN

A

Anterior Interventricular Artery

23
Q

Accompanying artery of the MIDDLE CARDIAC VEIN

A

Posterior Interventricular Artery

24
Q

Accompanying artery of the SMALL CARDIAC VEIN

A

Right Marginal Artery

25
Q

MAIN PACEMAKER

Right atrium near the SVC

A

Sinoatrial (SA) Node

26
Q

Interatrial septum superior to the opening of coronary sinus

A

AV node

27
Q

Membranous portion of IV septum

A

AV Bundle (of His)

28
Q

Muscular portion of IV septum

A

R and L bundle branches

29
Q

Subendocardial network of conducting fibers

Large, pale with SPARSE MYOFIBRILS and GLYCOGEN

A

Purkinje fibers

30
Q

Proximal LAD – large anterior wall

A

I, aVL, V1-V6

31
Q

More Distal LAD – anteroapical

Wraparound LAD – inferior wall

A

anteroapical - V2-V4

inferior wall - II, III, aVF

32
Q

Distal LAD – anteroseptal

A

V1-V3

33
Q

Circumflex – Posterolateral

A

V4-V6

34
Q

Space b/w the reflections of the serous pericardium which is posterior to the ascending aorta and pulmonary trunk and anterior to the SVC

A

TRANSVERSE SINUS

clamping these vessels can stop ventricular outflow

35
Q

Receives blood from SVC, IVC, coronary sinus, anterior cardiac, vena cords minimae

A

RIGHT ATRIUM

sinus venarum - posterior
musculi pectinati - anterior
interatrial septum
fossa ovalis

36
Q

Remnant of foramen ovale

A

FOSSA OVALIS

persist – ASD

37
Q

Conical muscular pouch in the RA

A

Right auricle

38
Q

Form the TRABECULATED PART of the RA (2-4 mm thick)

Develop from primitive atrium

A

Pectinate muscles

39
Q

Smooth part of the RA

Develops embryologically from the sinus venosus

A

SINUS VENOSUS

40
Q

Internal muscular ridge 3-6 mm thick

Marks the junction b/w trabeculated part and smooth part of the RA

A

Crista terminalis

41
Q

External shallow groove

Marks the junction b/w the trabeculated part and smooth part of the R atrium

A

Sulcus terminalis

42
Q

Oval depression on the interatrial portion consisting of the valve of the fossa ovalis (remnant of the septum primum)

A

Fossa ovalis

43
Q

Horseshoe-shaped muscular rim

Remnant of the septum secundum

A

Limbus of the fossa ovalis

44
Q

Makes up the major portion of the anterior (sternocostal) surface of the heart

A

RIGHT VENTRICLE

45
Q

Anastomosing muscular ridges of myocardium in the ventricles

Form the TRABECULATED part of the RV

from the PRIMITIVE VENTRICLE

A

Trabeculae carneae

46
Q

Smooth part of the RV

from the BULBUS CORDIS

A

Conus arteriosus (infundibulum)

47
Q

Cone shaped muscles enveloped by endocardium

Contract to tighten chordae tendinae – prevents cusps of tricuspid valve from being everted into atrium

A

Papillary muscles

48
Q

Extend from one papillary muscle to more than cusp of the tricuspid valve

A

Chordae tendinae

49
Q

Isolated band of trabeculae carneae that forms a bridge b/w IV septum

A

Septomarginal Trabecula (Moderator Band)

50
Q

Place of origin of the septal papillary muscle

Mostly muscular but has a small MEMBRANOUS upper part – common site of VSD

A

Interventricular septum

51
Q

Smaller but THICKER wall than RA

MOST POSTERIOR of the 4 chambers

A

LEFT ATRIUM

52
Q

Lies at the back of the heart

Apex directed downward, forward and toward the left

A

Left Ventricle

Anatomy (76 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions