Dosage Calculations Made Easy Step by step example

This is what needs to be given (order) How it is supplied Order: Rocephin 405 mg IM now How Supplied: Rocephin 500 mg bottle. Instructions are as follows: Reconstitute with 1.0 mL Sterile Water for Injection. Each 1mL of solution contains approximately 350 mg equivalent of ceftriaxone. Give: _________ mL After reconstitution. This is what we are using to make the calculation

Order: Rocephin 405 mg IM now How Supplied: Rocephin 500 mg bottle. Instructions are as follows: Reconstitute with 1.0 mL Sterile Water for Injection. Each 1mL of solution contains approximately 350 mg equivalent of ceftriaxone. Give: _________ mL This is how our formula will look like If we have 350 mg in 1 ml 350 mg 405 mg ___________ = ___________ 1 ml x ml How many ml do we need to complete 405 mg The units on top and bottom should match. Please make the necessary conversions

Order: Rocephin 405 mg IM now How Supplied: Rocephin 500 mg bottle. Instructions are as follows: Reconstitute with 1.0 mL Sterile Water for Injection. Each 1mL of solution contains approximately 350 mg equivalent of ceftriaxone. Give: _________ mL To find x value: Cross multiply Then divide 350 mg 405 mg ___________ = ___________ 1 ml x ml This is how we lay out and resolve the formula 405 x 1 X= _________ 350 405 X= _________ 350 X= 1.1 ml