Hypercalcemia

Question 1

Hyperca definition

Answer 1

> 10.5 or ionized Ca > 1.32

Question 2

Hyperca s/sx

Answer 2

Mental status changes, polyuria, shortened QT Interval, bradycardia, AV block

Question 3

Hyperca treatment

Answer 3

IV fluids w/ 0.9% NaCl at 200-300 mL/hr x 48 hrs W OR W/O furosemide 40-80 mg IV q12 hrs

Calcitonin 4 units/kg IV q12 hrs
Bisphosphonates : pamidronate 90 mg IV FOR 3 days ; Zoledronic acid also an option