Central line — 5 maximal barriers
CLABSI prevention bundle
Mnemonic device
5 Maximal Barriers
Mapping
1
Hand hygiene (alcohol or chlorhexidine scrub)
2
Maximal barrier precautions — full gown, gloves, mask, cap, large drape covering whole patient
3
Chlorhexidine skin antisepsis (alcohol/chlorhexidine 2% with applicator; allow 30 sec dry)
4
Optimal site selection — subclavian preferred (lowest infection); avoid femoral when possible
5
Daily review of need + prompt removal
Clinical note: Bundle implementation reduces CLABSI 60-70%. Ultrasound-guided placement is now standard of care for IJ + femoral; reduces complication rate. Chlorhexidine-impregnated dressings help maintenance.