Adult cardiac arrest
NCLEX-RN glossary · Physiological Adaptation
Definition
The loss of cardiac mechanical activity; the primary quantitative goal is a chest-compression fraction (CCF) >0.60.
Adult cardiac arrest in plain English
Priority is high-quality, uninterrupted compressions and early defibrillation for shockable rhythms (VF/pVT). A common mistake is interrupting compressions for >10 seconds to deliver breaths or perform a rhythm check, which drops coronary perfusion pressure to zero.
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