Ultrasound

Question 1

What are the pros and cons of ultrasound guided FB removal in the ED?

Answer 1

Pros
- No radiation
- Can visualise non-radiopaque FB’s
- Active guidance of FB removal
- Assess immediate post procedural complications
- Assess adjacent structures (ie arteries)
- Assess for infection/abscess

Cons
- Operator dependent
- Air tracks may obscure visualisation
- FB may not be echogenic
- Calcification may mimic FB
- Large laceration may prevent adequate skin contact
- Removal equipment (ie forceps, needle etc) may obscure views

Question 2

How does and SOB appear on bowel ultrasound?

Answer 2

• Dilated loops >3cm
• Ineffective peristalsis
• Prominent valvulae conniventes
• Mural gas/intraluminal free fluid (signs of severity)