Final answer:
Defibrillation is not included in the five basic system conditions of CPR; the core components are Airway, Breathing, and Circulation, while 'Disability' is part of a broader assessment.
Step-by-step explanation:
The aspect that is not included within the five basic system conditions of a CPR as commonly taught is Defibrillation. The basic steps of CPR, often referred to as the ABCs, include Airway, Breathing, and Circulation. 'Disability' is sometimes assessed in a broader scope of patient evaluation but is not considered one of the core components of immediate CPR intervention. Defibrillation is a separate process that involves the use of an automated external defibrillator (AED) and is usually an additional step in the chain of survival if CPR alone is not successful in resuscitating the patient.