The correct answer is True the cpr should be stopped and deliver 1 ventilation every 2 to 3 seconds until the patient is ventilating sufficiently.
According to the "thoracic pump" theory, blood flows from the thorax because intrathoracic pressure exceeds extrathoracic vascular pressure, and flow is restricted to the venous-to-arterial direction by venous valves that prevent retrograde flow at the thoracic inlet. Checking the scene and the person, calling 911 for assistance, opening the airway, checking for breathing, chest compressions, delivering rescue breaths, and repeating CPR steps are the seven steps of CPR (cardiopulmonary resuscitation). Cardiovert/defibrillate, CCR, Cooling, and Catheterization are the four Cs of optimal cardiac arrest management in the current decade. A CPR cycle consists of 30 compressions and 2 breaths. 5 cycles of CPR should take about 2 minutes if compressions are delivered at a rate of about 100 per minute.
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