Parasternal long axis

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	A parasternal long axis
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The left parasternal imaging planes are found by placing the transducer in the third or fourth intercostal space on the left of the sternum.

The left parasternal long axis is usuaslly t he first view of the echocardiographic examination.

Image showing the left parasternal long axis transection (PSLAX) of the heart by the ultrasound waves