The first-aid procedure that involves performing chest compressions and mouth-to-mouth resuscitation on an unconscious victim is called cardiopulmonary resuscitation (CPR).

Cardiopulmonary resuscitation (CPR) is a first-aid procedure that involves performing chest compressions and possibly mouth-to-mouth resuscitation on an unconscious patient. This technique aims to continue the flow of blood, particularly to the brain, when the heart has stopped. Proper training is essential to avoid causing harm while performing this life-saving procedure.

Explanation:

The first-aid procedure that involves performing chest compressions and mouth-to-mouth resuscitation on an unconscious victim is called cardiopulmonary resuscitation (CPR). The purpose of this technique is to manually compress the blood within the heart enough to push some of the blood into the pulmonary and systemic circuits, especially to the brain where irreversible damage can occur within minutes of loss of blood flow.

To perform CPR, pressure is applied with the flat portion of one hand on the sternum between the line at T4 and T9. The current standards call for a compression of the chest at least 5 cm deep and at a rate of 100 compressions per minute, a rhythm similar to the song 'Staying Alive' by the Bee Gees. At this point, the emphasis is on high-quality chest compressions, rather than providing artificial respiration.

It's important to note that CPR training is crucial as incorrect application could result in broken ribs or a broken sternum and potentially fatal additional damage to the patient. These courses, which typically include practical components, are offered at a variety of locations such as colleges and hospitals, and through the American Red Cross and some commercial companies.

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