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#1
07-16-2007, 04:40 PM
 Unregistered Guest Posts: n/a
help convert meq

I need to convert this. I need 15 meq= ? ml if 20 meq=15ml
#2
07-16-2007, 06:23 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,467 Rep Power: 13
Re: help convert meq

mEq is milliequivalent. Its a relative amount of substance.

I am not exactly sure how you would calculate the conversion, but I'm sure it depends on the substance. So you'll need to post additional information.

If you post not just the substance, but also exactly what you are trying to do, it will make it easier for us to help.
#3
07-30-2009, 06:48 PM
 Unregistered Guest Posts: n/a
Help!

I can't figure out this conversion for some home work and my text book is no help!
I need to administer Sodium Bicarb with a concentration of 0.45 ml/kg at a dose of 0.5 mEq/kg and I can't figure out how to convert between ml and mEq. Thanks.
#4
07-31-2009, 02:41 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,539 Rep Power: 19
Re: Help!

Quote:
 Originally Posted by Unregistered I can't figure out this conversion for some home work and my text book is no help! I need to administer Sodium Bicarb with a concentration of 0.45 ml/kg at a dose of 0.5 mEq/kg and I can't figure out how to convert between ml and mEq. Thanks.
The dose of 0.5 mEq/kg is mass-based dosing based on the patient's mass in kilograms. Sodium bicarbonate is NaHCO3, which ionized to Na+ and HCO3- in water. As each ion has a charge of 1 electron, 1 equivalent is the same as 1 mole. (NOT true when the ions have charge of 2 or 3). So the molar mass of 84.066 g/mol may be used in either direction to convert equivalents or moles to grams.

A "concentration" of 45 mL/kg does not make sense. I believe there is something wrong with this figure. Sodium bicarbonate is a solid powder. Concentration would be expressed as a mass, or number of moles in either a mass or volume of mixture. It is conceivable that at a specified strength, it is a mass-based dose.
#5
05-19-2011, 08:13 PM
 Unregistered Guest Posts: n/a
Re: help convert meq

meq/Kg to mval/g
#6
06-02-2011, 12:11 PM
 Unregistered Guest Posts: n/a

10 mg of potassium = [How many?] meq ?
#7
06-02-2011, 12:38 PM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,539 Rep Power: 19

Quote:
 Originally Posted by Unregistered 10 mg of potassium = [How many?] meq ?
For potassium, a mole and an equivalent are the same amount (because the valence of the potassium ion is +1). The molar mass is 39.0983 g.

Thus 10 mg x 1 mol/39.0983 g = 256 µmol ( or µEq)
So 0.256 mEq
#8
12-10-2011, 05:43 AM
 Unregistered Guest Posts: n/a
Re: help convert meq

1 meq in ml
#9
12-11-2011, 10:18 AM
 Unregistered Guest Posts: n/a
Re: help convert meq

Quote:
 Originally Posted by Unregistered 1 meq in ml
1meq sadabicarb is equal to how many mmoles
#10
12-11-2011, 10:46 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,539 Rep Power: 19
Re: help convert meq

Quote:
 Originally Posted by Unregistered 1meq sadabicarb is equal to how many mmoles
Do you mean sodium bicarbonate? If so 1 eqv = 1 mol.

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