Effectiveness of Chest Compressions With Standard vs Feedback-Assisted CPR

TrueCPR (Physio-Control, Inc., Redmond, WA, USA) is a real-time CPR feedback device that provides both visual and auditory cues to support the delivery of high-quality chest compressions. The system consists of two pads (chest and back) that measure compression depth using electromagnetic signal transmission. The device offers auditory rate guidance via a metronome and visual feedback through a color display indicating the adequacy of compression depth and recoil. Performance data-including compression depth, rate, ratio, and the percentage of compressions that are too shallow or too deep-are recorded and analyzed using dedicated software. TrueCPR delivers multisensory feedback (auditory and visual) for both professional rescuers and trainees.

The Ambu SmartMan ALS Pro+ (AW301) is an advanced simulation manikin designed to support training in both Basic and Advanced Life Support (BLS and ACLS). It features multiple operational modes, including feedback, skills, code, and application modules, with or without manikin dependency. The manikin provides real-time auditory feedback through an integrated metronome and allows online monitoring by instructors. It records performance metrics such as compression depth and rate, compression-to-decompression ratio, hand position accuracy, and number of compressions with leaning.

The Ambu SmartMan ALS Pro+ (AW301), which is an advanced simulation manikin, offers real-time auditory feedback via an integrated metronome function. Devices that provide only a fixed auditory tempo-such as a metronome-are generally classified as coaching devices, because they do not measure or analyze the user's actions during CPR.