Question

tod so 48 An IV infusion order is received for lidocaine (Xvlocaine) 2g in 250mL of D5W, to be infused at 3mg/min. What will the flow rate be in mL/hr? a) 11.5mL/hr b) 22.5mL/hr c) 33.5mL/hr d) 44.5mL/hr CO pllo od blusig atolyo to prixi 49. An IV infusion order is received for KCI 20mEq in 1000mL of D5W, to be infused at 125mL/hr. What amount of KCL will the patient receive per hour? a) 1.5mEq b) 2.5mEq c) 3.5mEq d) 4.5mEq nl blocker unb s to Inove orl ni uleau d bluow ebonen piwollc abuaat b Sl
48 and 49

Answer 1

48. Lidocaine 2 gms in 250 ml = 2000 mg in 250 ml

The amount of solution required is = Required dose $\times$ available volume $\div$ available dose

                                                       = 3 mg $\times$ 250 ml $\div$ 2000 mg            

                                                       = 0.375 ml per minute

The flow rate per hour = 0.375 $\times$ 60 = 22.5 ml/ hour

Option b is the correct answer.

49. KCL 20 mEq in 1000 ml of D5W.

In 1 ml of solution, the dose is = 20 $\div$ 1000 = 0.02 mEq per ml

In 1 hour the KCL received = 125 $\times$ 0.02 = 2.5 mEq per hour

Option b is the correct answer.