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Published byStella Ashmore Modified over 2 years ago

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Dosage Calculations Made Easy Step by step example

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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 what needs to be given (order) How it is supplied After reconstitution. This is what we are using to make the calculation

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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 350 mg 405 mg ___________ = ___________ 1 ml x ml If we have 350 mg in 1 ml How many ml do we need to complete 405 mg This is how our formula will look like The units on top and bottom should match. Please make the necessary conversions

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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 350 mg 405 mg ___________ = ___________ 1 ml x ml To find x value: Cross multiply Then divide 405 x 1 X= _________ X= _________ 350 X= 1.1 ml This is how we lay out and resolve the formula

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