Dka Free Water Deficit Calculator

Change to a potassium chloride containing solution once serum potassium. The incidence of this condition may be increasing and a 1 to 2 percent mortality rate.

Hypernatremia Page 2 Precious Bodily Fluids

Deficit fluids are based on degree of dehydration.

Dka free water deficit calculator. Background Diabetic Ketoacidosis DKA is an endocrine emergency occurring in new onset and established type 1 diabetic patients due to decreased circulating insulin insulin resistance and. 149 years 60ml per kg. Our tool will guide you on how to calculate the free water deficit for people with hypernatraemia disorder.

Paediatric DKA Calculator - Use this tool to generate an integrated care pathway for managing paediatric diabetic ketoacidosis based on the BSPED 2020 Guidelines. So male with Na of 160 has free water deficit of 05 x 70 x 20140 5 Litres. Diabetic ketoacidosis is characterized by a serum glucose level greater than 250 mgdL a pH less than 73 a serum bicarbonate level less than 18 mEqL an elevated serum ketone level and dehydration.

The hypernatremia is a high level of sodium ion in the blood. FW Deficit 06 x weight kg x. Continue insulin until ketonaemia resolved and anion gap normalised.

This tool provides an estimate of free water deficit based on a patients body weight. Diabetic Ketoacidosis DKA criteria. Body Weight Fluid Requirement.

Free Water Deficit Calculator. 3-5 years 140ml per kg. Much of the information about the specific fluid and electrolyte deficits in DKA was obtained in the 1930s from work on two young men with diabetes whose fluid and electrolyte balance was studied in great detail before while and after they were allowed experimentally to become ill with DKA.

06 145 mEqL and 04 150 mEqL respectively. Replace with oral free water or 5 dextrose over 24-48 hours. Free Water Deficit.

1 The reported fluid deficit appeared to be approximately half from the intracellular and half from. 6-9 years 120ml per kg. If current Na 160 then FWD 06 x 70 x 160140 1 6.

Correction of isotonic and hyponatremic dehydration. 13 As with potassium insulin therapy will unmask this deficit as it drives phosphate. In hypernatremic dehydration a fraction of the deficit fluids is a free water deficit 4 mLexcess Na in mEqkg.

The free water deficit is used to access the amount of water replacement needed to correct hypernatremia. Failure to respond to insulin. It will pre-fill calculations in the pathway based on the values for your patient.

Calculate fluid deficit - see A B C and D on calculation sheet. If you are accessing the DKA calculator via an ADHB computer or using Internet Explorer 11 and have difficulty opening the calculator choose Save not Open and then Open. Diabetic ketoacidosis is an emergency medical condition that can be life-threatening if not treated properly.

Overly rapid correction particularly in chronic hyponatremia can lead to osmotic demylination syndrome ODS previously known as central pontine myelinolysis. Calculates free water deficit by estimated total body water. To calculate fluid rate.

Calculate corrected sodium. If glucose level does not fall with insulin therapy can double rate to 02IUkghr. Determine maintenance fluid volume per kg from age.

NB Maintenance calculation is for 48 hours. Calculate Water deficit. Serum phosphate may be normal or elevated in patients with DKA or HHS due to extracellular shifts.

Deficit sodium and potassium are calculated on the remaining fluid deficit. 0-2 years 160ml per kg. NS 250-500 mlhr 4-14 mlkg and when plasma glucose reaches 200 mgdl change fluid therapy to 5 Dextrose with 12 NS 150-250 mlhr.

Total body water x serum Na-140 140 TBW is usually 50 in males and 40 in females. Aim to replace deficit plus maintenance and ongoing losses. Calculating free water deficit 06 x BW x Current Na140 -1 Eg.

Free Water Deficit in Hypernatremia. Calculations should be double checked before prescribing fluid and insulin. Use with the Sodium Deficit in Hyponatremia calculator which estimates the total amount of sodium that needs to be replaced.

This can be incorrect in patients with signfiicant weight gain or loss especially from fluid sources. The proper rate of correction of hyponatremia is important. However patients are typically phosphate depleted due to urinary loss and decreased intake.

The finding of hypernatremia in either DKA or HHS indicates that a significant free water deficit exists. A B This deficit is replaced over 48 hours Calculate daily maintenance fluid. Fluid Initial fluid should be Sodium chloride 09 only To calculate fluid rate.

10-14 years 100ml per kg. Fluid rate equals 2 x daily maintenance deficit 48. Add 16 to 24 average 2 mEqL sodium for 100 mgdl plasma glucose above 100 mgdl Hyponatremic patients.

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