What are the anatomical landmarks for placement of a chest drain? Usually placed in the‘Triangle of Safety’ 1: Anterior border of latissimus dorsi 1 The lateral border of the pectoralis major 1 A line superior to the horizontal level of the nipple (5th intercostal space) 1 Apex below the axilla 1 It is a safe place because of its location above the diaphragm and a very thin chest wall musculature, allowing rapid and minimally painful insertion
