Viaflex bags are used to remove glass shards from a solution

Which of the following parameters would be LEAST reliable when assessing the perfusion status of a 2-year old child with possible shock?

A. Distal capillary refill B. Systolic blood pressure C. Skin color and temperature D. Presence of peripheral pulses

The most common cause of an unexplained pause is a ________

Fill in the blank(s) with correct word