Final answer:
When performing CPR on an infant by yourself, the compression-to-breath ratio is 30:2, while with another rescuer, it changes to 15:2 to optimize resuscitation. Use two fingers for compressions and press down about 1.5 inches at a rate of 100-120 per minute.
Step-by-step explanation:
Infant CPR and Compressions
When performing CPR on an infant by yourself versus with someone else, the procedure for compressions changes. If you are alone, the compression-to-breath ratio is 30:2, which means you should give 30 chest compressions followed by 2 rescue breaths. When two rescuers are present, the ratio changes to 15:2, with one person focusing on delivering breaths while the other performs the compressions. This change in technique is designed to optimize the resuscitation efforts and improve outcomes. It's also crucial to call for emergency help before starting CPR if you are alone. However, if another person is with you, one can start CPR immediately while the other calls for help.
Regardless of the number of rescuers, when delivering chest compressions to an infant, use two fingers for the compressions and press down about one-third the depth of the chest, approximately 1.5 inches (4 cm). The infant's chest should be allowed to return to its normal position after each compression, and the rate should be at least 100-120 compressions per minute.