Insufficient physiological or psychological energy to endure or complete required or desired daily activities Defining Characteristics: Verbal report of fatigue or weakness, abnormal heart rate or blood pressure response to activity, exertional discomfort or dyspnea, electrocardiographic changes reflecting dysrhythmias or ischemia Related Factors: Bed rest or immobility; generalized weakness; sedentary lifestyle; imbalance between oxygen supply and demand NOC Suggested NOC Labels Endurance Energy Conservation Activity Tolerance Self-Care: Activities of Daily Living (ADLs) Client Outcomes Participates in prescribed physical activity with appropriate increases in heart rate, blood pressure, and breathing rate; maintains monitor patterns (rhythm and ST segment) within normal limits States symptoms of adverse effects of exercise and reports onset of symptoms immediately Maintains normal skin color and skin is warm and dry with activity Verbalizes an understa