BLS Resuscitation

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• Two-rescuer infant CPR using both thumbs centrally with hands encircling the chest — preferred when two rescuers are present.

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• Single-rescuer infant CPR using two fingers in the center of the chest, just below the nipple line.

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• Compressions at 100–120 per minute, 2–2.4 inches deep in adults, with full chest recoil and minimal interruptions.

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• Allowing the chest to fully return to its original position between compressions to permit cardiac refilling.

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• Carotid (adult/child) or brachial (infant) pulse check lasting no more than 10 seconds during BLS.

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