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Atlas of Human Body Ultrasound Scanning_ Methods and Diagnostic Applications ( PDFDrive ).pdf
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6  Echocardiography

93

 

 

 

 

2.18\ Apical Five-Chamber View

 

 

 

a1

 

 

a2

 

 

 

LV

 

RV

 

Ao

 

 

 

LA

 

RA

b1

 

 

b2

 

 

 

LV

 

RV

 

 

 

Ao

 

LA

 

 

 

 

 

 

RA

Fig. 6.22  Apical five-chamber view. (a) Diastole. (b) Systole

2.18.1\ Scanning Method

The patient lies supine or on the left anterior position (in a semilateral position). The probe is placed at the left midclavicular line (fifth intercostal space) or the palpable apex of the heart with the beam titling up slightly on the base of apical four-chamber view.

2.18.2\ Section Structure

The structures visualized are the right ventricle, interventricular septum, left ventricle, right atrium, interatrial septum, left atrium, mitral valve, tricuspid valve, aortic valve, atrial vault, and pulmonary vein inlet.

2.18.3\ Measuring Method and Normal Value

The internal diameter of aortic valve annulus is 18 ± 7 mm.

2.18.4\ The Clinical Application

This view is usually used to make blood flow Doppler measurements of aortic orifice and to show the left ventricular outflow tract and the continuity between aortic anterior wall and interventricular septum.