Identify the Site

The Safe Triangle

• • How to Perform

    Using the pen, mark the area bound by the:
  • Superiorly - base of the axilla
  • Anteriorly - lateral edge of pectoralis major
  • Inferiorly - 5th intercostal space
  • Posteriorly - lateral edge of latissimus dorsi
• The chest drain is generally inserted into the 5th intercostal space in the midaxillary line.