Formulas - Revision history

Rossdonaldson1: /* References */

2023-03-22T20:13:39Z

References

← Older revision		Revision as of 20:13, 22 March 2023
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	==References==		==References==
	<references/>		<references/>
	~~[https://www.mdcalc.com/ MDCalc]~~

	~~--[[User:Jmenyart81\|Joshua Enyart]] ([[User talk:Jmenyart81\|talk]]) 20:59, 2 January 2018 (UTC)~~
	[[Category:Misc/General]]		[[Category:Misc/General]]

ClaireLewis at 20:45, 1 October 2019

2019-10-01T20:45:52Z

← Older revision		Revision as of 20:45, 1 October 2019
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	==[acid-base disorders\|Acid/Base]]==		==[[acid-base disorders\|Acid/Base]]==
	*Winter's equation:<br />		*Winter's equation:<br />
	*Expected pCO2 = 1.5 [HCO3-] + 8 (+/-2)<br />		*Expected pCO2 = 1.5 [HCO3-] + 8 (+/-2)<br />

ClaireLewis at 20:45, 1 October 2019

2019-10-01T20:45:37Z

← Older revision		Revision as of 20:45, 1 October 2019
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	==Acid/Base==		==[acid-base disorders\|Acid/Base]]==
	*Winter's equation:<br />		*Winter's equation:<br />
	*Expected pCO2 = 1.5 [HCO3-] + 8 (+/-2)<br />		*Expected pCO2 = 1.5 [HCO3-] + 8 (+/-2)<br />

ClaireLewis at 15:30, 27 September 2019

2019-09-27T15:30:51Z

← Older revision		Revision as of 15:30, 27 September 2019
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	***If the measured PaCO2 is more than the expected → concurrent respiratory acidosis<br />		***If the measured PaCO2 is more than the expected → concurrent respiratory acidosis<br />

	==Burn==		==[[Burns\|Burn]]==
	* Parkland formula: Fluid Requirements = [[TBSA]] burned(%) x Wt (kg) x 4mL		* Parkland formula: Fluid Requirements = [[TBSA]] burned(%) x Wt (kg) x 4mL
	**Give 1/2 of total requirements in 1st 8 hours, then give 2nd half over next 16 hours.		**Give 1/2 of total requirements in 1st 8 hours, then give 2nd half over next 16 hours.
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	==Endocrinology==		==Endocrinology==
	* ~~Estmiated~~ average glucose from Hgb A1C = (28.7 X A1C<sub>US units</sub>) - 46.7		* Estimated average glucose from Hgb A1C = (28.7 X A1C<sub>US units</sub>) - 46.7

	==FEN==		==FEN==
	*Anion gap = Na – (Cl + HCO3-)<br />		*[[Anion gap]] = Na – (Cl + HCO3-)<br />
	**Corrected anion gap, mEq/L = Anion gap, mEq/L + [ 2.5 × (4 – albumin, g/dL) ]<br />		**Corrected anion gap, mEq/L = Anion gap, mEq/L + [ 2.5 × (4 – albumin, g/dL) ]<br />
	**Delta gap = Anion gap – 12 (normal anion gap)<br />		**Delta gap = Anion gap – 12 (normal anion gap)<br />
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	**Normal = 280 - 300 mmol/l		**Normal = 280 - 300 mmol/l
	*Fractional Excretion of Sodium (FENa)% = 100 × (SCr × UNa ) / (SNa × UCr)		*Fractional Excretion of Sodium (FENa)% = 100 × (SCr × UNa ) / (SNa × UCr)
	*Maintenance fluids, calculated using the “4-2-1” Rule:<br />		*Maintenance [[IVF\|fluids]], calculated using the “4-2-1” Rule:<br />
	**For 0-10 kg: + 4 mL/kg/hr<br />		**For 0-10 kg: + 4 mL/kg/hr<br />
	**For 10-20 kg: + 2 mL/kg/hr<br />		**For 10-20 kg: + 2 mL/kg/hr<br />
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	Corrected Sodium (Hillier, 1999) = Measured sodium + 0.024 (Serum glucose - 100)		Corrected Sodium (Hillier, 1999) = Measured sodium + 0.024 (Serum glucose - 100)
	Corrected Calcium = (0.8 (Normal Albumin - Pt's Albumin)) + Serum Ca		Corrected Calcium = (0.8 (Normal Albumin - Pt's Albumin)) + Serum Ca
	*Free Water Deficit in Hypernatremia		*Free Water Deficit in [[Hypernatremia]]
	**FW Deficit (Adult Male) = 0.6 x weight (kg) x (current NA / 140-1)		**FW Deficit (Adult Male) = 0.6 x weight (kg) x (current NA / 140-1)
	**FW Deficit (Adult Female) = 0.5 x weight (kg) x (current NA / 140-1)		**FW Deficit (Adult Female) = 0.5 x weight (kg) x (current NA / 140-1)
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	==General==		==General==
	*Ideal Body Weight:		*[[Ideal body weight estimation\|Ideal/Predicted Body Weight]]:
	*IBW (men) = 50kg + 2.3kg( Height(in) - 60 )		*IBW (men) = 50kg + 2.3kg( Height(in) - 60 )
	*IBW (women) = 45.5kg + 2.3kg ( Height(in) - 60 )		*IBW (women) = 45.5kg + 2.3kg ( Height(in) - 60 )

Rossdonaldson1: Text replacement - "TBSA" to "TBSA"

2019-02-12T08:07:29Z

Text replacement - "TBSA" to "TBSA"

← Older revision		Revision as of 08:07, 12 February 2019
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	==Burn==		==Burn==
	* Parkland formula: Fluid Requirements = TBSA burned(%) x Wt (kg) x 4mL		* Parkland formula: Fluid Requirements = [[TBSA]] burned(%) x Wt (kg) x 4mL
	**Give 1/2 of total requirements in 1st 8 hours, then give 2nd half over next 16 hours.		**Give 1/2 of total requirements in 1st 8 hours, then give 2nd half over next 16 hours.
	==Cardiovascular==		==Cardiovascular==

Jmenyart81 at 20:59, 2 January 2018

2018-01-02T20:59:29Z

@@ Line 1: / Line 1: @@
 ==Cardiovascular==
 *O2 content = (Hb x 1.34 x SaO2) + (PaO2 x 0.003)
 ==Pulmonary==
@@ Line 9: / Line 52: @@
 **Normal for young adult non-smoker < 15 mmHg at sea level at RA
 **Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>
 ==References==
 <references/>
 [[Category:Misc/General]]

Rossdonaldson1 at 05:42, 25 September 2016

2016-09-25T05:42:08Z

← Older revision		Revision as of 05:42, 25 September 2016
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	==References==		==References==
	<references/>		<references/>

			[[Category:Misc/General]]

Neil.m.young: Text replacement - "==Sources==" to "==References=="

2016-06-26T12:24:02Z

Text replacement - "==Sources==" to "==References=="

← Older revision		Revision as of 12:24, 26 June 2016
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	**Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>		**Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>

	==~~Sources~~==		==References==
	<references/>		<references/>

Kxl328 at 18:11, 16 February 2016

2016-02-16T18:11:32Z

← Older revision		Revision as of 18:11, 16 February 2016
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			==Cardiovascular==
			*O2 content = (Hb x 1.34 x SaO2) + (PaO2 x 0.003)

	==Pulmonary==		==Pulmonary==
	*Alveolar-arterial O2 gradient, pATM at sea level 760 mmHg		*Alveolar-arterial O2 gradient, pATM at sea level 760 mmHg
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	**Normal for young adult non-smoker < 15 mmHg at sea level at RA		**Normal for young adult non-smoker < 15 mmHg at sea level at RA
	**Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>		**Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>


	==Sources==		==Sources==
	<references/>		<references/>

Kxl328 at 18:02, 16 February 2016

2016-02-16T18:02:10Z

← Older revision		Revision as of 18:02, 16 February 2016
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	**Normal for young adult non-smoker < 15 mmHg at sea level at RA		**Normal for young adult non-smoker < 15 mmHg at sea level at RA
	**Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>		**Normal estimate by age < (age/4) + 4<ref>Nickson C. Lifeinthefastlane. A-a gradient. http://lifeinthefastlane.com/ccc/a-a-gradient/.</ref>


			==Sources==
			<references/>