Normal Fetal Heart

 

 

Recommended views for fetal echocardiography

Normal Cardiac Situs

Normal Cardiac Rate and Rhythm

The Outflow Tracts
    - Aorta
    - Pulmonary Artery

Four and Five Chamber Views

The Ductus Arteriosus

Three Vessel View

The Pulmonary Veins

Short Axis View of Great Vessels

The Myocardium / Pericardium

Longitudinal / Sagittal views of the outflow tracts.

The Inferior Vena Cava +
Superior Vena Cava

The Valves of the Heart

Coronary Sinus / Arteries

M-mode Echocardiography

Foramen Ovale

Color Doppler Imaging

Azygous Vein

 

 

Normal Variants and Pitfalls

 

Video images of the normal and abnormal heart

 

Cardiac Embryology

Week of Gestation

Length of Embryo

Cardiac event

1-2

1.5 mm

No heart or great vessel

4

2 mm

Single median cardiac tube

5

4 mm

Bilobed atrium

5

4 mm

Beginning of circulation

5

7.5 mm

AV orifices; 3 chamber heart

6

8.5 – 13 mm

Septum secundum: complete inferior septum; divided truncus arteriosus

7

20

Four chamber heart

Normal Fetal Circulation :