Potassium

KCl PO 10 mEq

Increase K by 0.1 mmol/L

KCl IV 10 mEq

Increase K by 0.1 mmol/L

Rates: 10mEq/hr peripheral IV, 20 mEq/hr central line

Renal Insufficiency: Multiply dose by 1/Cr

Magnesium

MgSO4 IV 1 gm

Increase Mg by 0.2-0.3 mg/dL

Calcium

(0.8 * (Normal Albumin - Pt's Albumin)) + Serum Ca

Ca Gluconate

1 gm IV (mild), 2 gm IV (moderate)

CaCl (Central line)

1 gm IV (mild), 2 gm IV (moderate)

Phosphorus

NaPO4 IV
IV = 4-6 hr infusion, 250cc

10-15 mmol (PO4>1)
20 mmol (PO4<1)

KPO4 IV
(10 mmol = 15 mEq KCL)

10-15 mmol (PO4>1)
20 mmol (PO4<1)

KPO4/NaPO4 PO
(Phos-NAK)

1 packet ≈ 7 mmol PO4, 7 mEq K, 7mEq Na