(A) Transverse (short-axis) view of vein with penetrating needle.
(B) Longitudinal (long-axis) view of vein with penetrating needle. Turning the transducer 90 degrees clockwise or counterclockwise will move from one view to the other.
Reproduced with permission from: Kost SI. Ultrasound-assisted venous access. In: Textbook of Pediatric Emergency Procedures, 2nd ed, King C, Henretig FM (Eds), Lippincott Williams & Wilkins, Philadelphia 2008. Copyright © 2008 Lippincott Williams & Wilkins.
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