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The LUCAS device delivers high-quality compressions at a continuous rate, while up to a third of manual compressions can be incorrect. [9] In 2013, a 68-year-old male made a complete recovery, including no intellectual or neurological deficits, after an out-of-hospital cardiac arrest after 59 minutes of mechanical compressions on a LUCAS device.
Cardiopulmonary resuscitation (CPR) is an emergency procedure consisting of chest compressions often combined with artificial ventilation, or mouth to mouth in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.
The optimal method of airway management during CPR is not well established at this time given that the majority of studies on the topic are observational in nature. These studies, however, guide recommendations until prospective, randomized controlled trials are conducted. [citation needed]
The CPR mask is the preferred method of ventilating a patient when only one rescuer is available. Many feature 18 mm (0.71 in) inlets to support supplemental oxygen , which increases the oxygen being delivered from the approximate 17% available in the expired air of the rescuer to around 40-50%.
The guidelines recommend lay rescuers start CPR on a person with presumed cardiac arrest because the overall risk of harm to patients from CPR is low, even if their heart hasn't stopped beating. [4] Properly performed CPR can keep the heart in a shockable rhythm for 10–12 minutes longer.
In another study, an adapted AutoPulse was shown to be highly effective in support of cardiac arrest in animals, whereas manual CPR was tenuous in its effectiveness. Pigs were used in the study, and were left in cardiac arrest for eight minutes to simulate average ambulance response time. 73% of the pigs that were put into the AutoPulse were ...
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Pulmonary ventilation is done by manual insufflation of the lungs either by the rescuer blowing into the patient's lungs (mouth-to-mouth resuscitation), or by using a mechanical device. Mouth-to-mouth resuscitation is also part of cardiopulmonary resuscitation (CPR) making it an essential skill for first aid .
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