Echo Anatomy Terms

Front 1

What Valves are Semilunar Valves?

Back 1

Aortic and Pulmonary

Front 2

What are the 3 Aortic Valve Cusps?

Back 2

Right coronary cusp - (origin of right coronary artery)
Left Coronary Cusp - (origin of left coronary artery)
Non - Coronary Cusp

Front 3

Aortic Cusp Shape?

Back 3

Crescent, pocket - shaped, and equal in size

Front 4

Def of Ascending aorta

Back 4

- contains origin of the coronary arteries ( it's only branches )
1. Anterior aortic root runs continuous with IVS
2. Posterior aortic root runs continuous with anterior mitral valve leaflet

Front 5

What Vessels arise from the Aortic Arch?

Back 5

1. Innominate - which gives rise to right common carotid and right subclavian
2. Left common carotid
3. Left Subclavian

Front 6

What is the Aortic Isthmus?

Back 6

- Located between the left subclavian artery and the ductal insertion
* typical location for coarctation of the aorta

Front 7

What are the 2 AV valves?

Back 7

Mitral and Tricuspid

Front 8

Mitral Valve Leaflets?

Back 8

Anterior and Posterior

Front 9

Mitral Valve Papillary Muscles?

Back 9

Anteromedial and Posterolateral

Front 10

What are the Tricuspid Valve Leaflets?

Back 10

Anterior, Posterior, and Septal

Front 11

Def Left Atrium

Back 11

- Same size or slightly larger than RA, but with thicker walls
- Most posterior chamber of the heart
- Smaller in volume than RA

Front 12

What Lies in the Triangle of Koch?

Back 12

The area of the RA where the SA Node and the Atrial Internodal Branches are located

Front 13

What is the Tendon of Todaro?

Back 13

A spot in the RA wall near where the coronary sinus drains

Front 14

What is the terminal groove?

Back 14

The external name for the point where the SA Node is located ( at the level of the SVC, IVC, and Foramen Ovale )

Front 15

What is the terminal crest?

Back 15

The internal name for the point where the SA Node is located ( at the level of the SVC, IVC, and Foramen Ovale )

Front 16

What is the flap of tissue that guards the opening of the IVC?

Back 16

Eustachian Valve

Front 17

Where is the Supraventricular Crest located?

Back 17

Between Pulmonic and tricupsid valve

Front 18

Where is the Parietal Band Located?

Back 18

Along the Right Ventricular Free wall below the level of the outflow tract

Front 19

Defects of What area of the Interatrial Septum are associated with partial anomalous venous return?

Back 19

Sinus Venosus

Front 20

Where do the most common ASDs occur?

Back 20

Ostium Secundum

Front 21

What diseases are associated with Ostium Primum ASDs?

Back 21

Downs Syndrome and Endocardial Cushion Defect (Atrioventricular Canal Defect)

Front 22

The 2 segments of the IVS are:

Back 22

Membranous and Muscular

Front 23

The Muscular Septum is Divided into:

Back 23

Inlet (perimembranous) - located in the superior posterior 1/3 of the septum
Trabecular - extends from membranous to the apex
Outlet or Infundibular (supracristal) - located just inferior to the great vessels

Front 24

What is the Limbus Marginala?

Back 24

The border between the muscular and membranous septum

Front 25

Where does the Right Coronary Artery Originate?

Back 25

The Right Anterior Sinus of Valsalva

Front 26

What are the Right Coronary Artery's Bifurcations?

Back 26

Transverse and Posterior Descending

Front 27

What do the right coronary arteries supply?

Back 27

SA node, AV node, Posterior aspect of both ventricles, posterior aspect of the IVS, postermedial papillary muscle of the LV and Apex, Anterior Aspect of RV

Front 28

What are the Branches of the left coronary artery?

Back 28

LAD and Circumflex

Front 29

What do the left coronary arteries supply?

Back 29

Left atrium and appendage, LV wall, anterior IVS to Apex, Anterolateral Papillary Muscle of LV, Anterior and lateral aspects of both ventricles, (small branches to pulmonary artery and aorta)