Question

In: Nursing

Medication order reads: 1000 mL LR to infuse in 8 hrs. Drop factor is 15 gtts/mL....

Medication order reads: 1000 mL LR to infuse in 8 hrs. Drop factor is 15 gtts/mL. Flow rate = _______ gtt(s)/min

Expert Solution

Flow rate = 31.25 gtts/min or 31 gtts/min (rounded off value)

Solution:

Medication order = 1000mL Lactated Ringer (LR)/ 8 hrs.

Drop factor = 15 gtts/mL

Method 1: By using Dimensional analysis method: In this method, the terms of the problem are set up in a manner that only required dimensions (i.e gtts/min) are obtained while remaining units are cancelled off using appropriate conversion factors (i.e hrs to min in this case)

Flow rate (gtts/min) = [since, 1 hr = 60 min]

= (15,000/480) gtts/min

= 31.25 gtts/min or

= 31 gtts/min

Hence, the flow rate = 31.25 gtts/min or 31 gtts/min.

Method 2: By using formula method

Time for infusion = 8 hr x = 480 min

Flow rate (gtts/min) =

=

= (15,000/480) gtts/min

= 31.25 gtts/min or

= 31 gtts/min

Hence, the flow rate = 31.25 gtts/min or 31 gtts/min

Nightingale answered 1 year ago

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