Final answer:
A proper CPR cycle involves 30 chest compressions followed by two breaths, applied on the sternum between T4 and T9, at a rate of 100 compressions per minute with a compression depth of at least 5 cm. It is critical for anyone performing CPR to be properly trained to avoid serious injuries to the patient.
Step-by-step explanation:
A proper CPR cycle consists of 30 compressions followed by two breaths. This technique, known formally as cardiopulmonary resuscitation (CPR), is an emergency procedure used when the heart stops beating. It involves applying pressure to the sternum between the T4 and T9 vertebrae to manually compress the heart and circulate blood. Current standards advocate for a compression depth of at least 5 cm and a rate of 100 compressions per minute. High-quality chest compressions are emphasized over artificial ventilation in the initial stages.
However, performing CPR without proper training can result in severe injuries to the patient. Therefore, training and recertification for medical professionals and the public are crucial, with courses available through various institutions.