carotid pulse Effectiveness of circulation is also evaluated by observing skin and mucous membrane color, and checking capillary refill ( Fig 9.9 ) Continuous electrocardiogram (ECG) monitoring and frequent blood pressure measurements are required Most modern defibrillators have “quick-look” paddles to allow for rapid evaluation of cardiac rhythm Defibrillator adhesive pads provide both continuous ECG monitoring and defibrillation and can remain in place while external cardiac compression (ECC) is being performed