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CPR chest compression depth cm adults children infants 2025 guidelines
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Here is a concise summary of CPR chest compression depths by age group, per current guidelines:
CPR Compression Depth (by Age)
| Patient | Depth | Notes |
|---|---|---|
| Adults | 5–6 cm (≈2–2.4 in) | Not >6 cm; rate 100–120/min |
| Children (1 yr → puberty) | ≥5 cm (~1/3 AP chest depth) | ~2 in |
| Infants (<1 year) | ≥4 cm (~1/3 AP chest depth) | ~1.5 in |
Key Points
- Adults: Target 5–6 cm. Going deeper than 6 cm increases injury risk without survival benefit. — Tintinalli's Emergency Medicine
- Children: At least 5 cm, or at least one-third the anterior-posterior (AP) chest depth — whichever is deeper. — Miller's Anesthesia
- Infants: At least 4 cm, or at least one-third the AP chest depth. — Miller's Anesthesia
- Rate: 100–120 compressions/min for all ages
- Allow full chest recoil between compressions; minimize interruptions
2025 Pediatric Update (AHA/AAP)
The 2025 AHA/AAP Pediatric BLS guidelines maintained these depth targets but eliminated the 2-finger technique for infant compressions — now recommending the 1-hand or 2 thumb-encircling hands technique, which is more effective at achieving proper depth.
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