Fig. 1
From: The reproducibility of measuring maximum abdominal aortic aneurysm diameter from ultrasound images

Illustration of a transverse view of an abdominal aortic aneurysm with the participant in the supine position. Figure shows ideal placement of callipers for ITI (
/
), LETLE (
), OTO (
/
) in both anterior–posterior and transverse direction. OTO: outer-to-outer; LETE: leading edge-to-leading edge; ITI: inner-to-inner