Acronym

AXR - Abdominal X-Ray

Plain radiograph of the abdomen

Expansion

Abdominal X-Ray

Purpose

Initial imaging for abdominal pain, obstruction, perforation

Clinical Context

AXR useful for obstruction (dilated loops, air-fluid levels), perforation (free air), volvulus. Limited sensitivity; CT is now preferred for acute abdomen.

  • CT abdomen:
  • KUB:

Key Points

  • Upright AXR may show free air; supine AXR shows loops and air-fluid levels