Aorta and IVC Ultrasound

Normal Aorta and Aneurysms

Normal Aorta

  • Measures less than 3cm
  • Measure outside wall to outside wall
ultrasound image


The normal abdominal aorta is typically about 2 cm and we consider it aneurysmal when it’s over about 3 cm, we measure it from out outside wall to the outside wall to avoid under-estimating any aneurysm and make sure we measure the entire aorta and not just the lumen as we’ll look at later in this lecture.

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