Specialty
The bread-and-butter floor: telemetry, common diagnoses, and safe prioritization.
Six subscales, a total from 6 to 23, and a lower number meaning higher risk. How each subscale is scored, what the risk bands mean, and the part that matters most — turning a number into the specific interventions it points at.
MEWS and its successors turn five ordinary vital signs into a number that flags a patient sliding downhill hours before the arrest. How the score is built, why the respiratory rate carries so much of it, and what to do when the number climbs.
Gravity infusions need drops per minute; pumps need millilitres per hour. Two formulas, one thing you have to look up on the tubing packet, and a way of laying the maths out that survives being interrupted.