Final answer:
It is true that chest compressions should be started even if ventilation attempts have not caused chest movement. CPR focuses on chest compressions to maintain blood circulation, with current guidelines suggesting a depth of 5 cm and a rate of 100 per minute. Training is crucial to prevent injuries and to perform CPR correctly.
Step-by-step explanation:
The statement that you can begin chest compressions even if you have not achieved chest movement with your ventilation attempts is true. Cardiopulmonary resuscitation (CPR) is the emergency technique used when someone's heart stops. The current CPR guidelines emphasize the importance of high-quality chest compressions over artificial respiration, which can significantly increase the victim's chances of survival by maintaining blood circulation, particularly to the brain. This is because irreversible brain damage can occur within minutes if the brain is deprived of oxygen. To perform CPR effectively, one must compress the chest at least 5 centimeters deep, at a rate of 100 compressions per minute, a rhythm matching the song 'Staying Alive' by the Bee Gees. Properly administered CPR can maintain blood flow until the heart resumes beating or until medical professionals intervene.
Nevertheless, it is crucial to be properly trained to avoid causing injuries such as broken ribs or damaging the liver with an incorrect hand placement. For this reason, CPR certification is recommended for medical personnel and the general public, ensuring everyone is familiar with the correct technique.