Cornell Gir Calculator

Cornell GIR Equation:

\[ GIR = \frac{\text{Infusion Rate (mL/hr)} \times \text{Dextrose Concentration (g/dL)} \times 1000 \text{ (mg/g)}}{\text{Weight (kg)} \times 60 \text{ (min/hr)} \times 100 \text{ (mL/dL)}} \]

Glucose Infusion Rate (GIR):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Cornell GIR Equation?

The Cornell Glucose Infusion Rate (GIR) equation calculates the rate of glucose administration in milligrams per kilogram per minute (mg/kg/min). It's commonly used in neonatal and pediatric intensive care to monitor glucose delivery.

2. How Does the Calculator Work?

The calculator uses the Cornell GIR equation:

\[ GIR = \frac{\text{Infusion Rate} \times \text{Dextrose Concentration} \times 1000}{\text{Weight} \times 60 \times 100} \]

Where:

Infusion Rate — Intravenous fluid rate (mL/hr)
Dextrose Concentration — Percentage of dextrose in solution (g/dL)
Weight — Patient's weight in kilograms (kg)
1000 — Conversion factor from grams to milligrams
60 — Conversion factor from hours to minutes
100 — Conversion factor from dL to mL

Explanation: The equation converts all units to arrive at a standardized glucose infusion rate in mg/kg/min.

3. Importance of GIR Calculation

Details: Accurate GIR calculation is essential for maintaining appropriate glucose levels in patients receiving intravenous dextrose solutions, especially in neonates and critically ill patients.

4. Using the Calculator

Tips: Enter the infusion rate in mL/hr, dextrose concentration in g/dL (e.g., 10 for D10W), and weight in kg. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is a typical GIR range for neonates?
A: Term neonates typically start at 4-6 mg/kg/min, while preterm infants may require 6-8 mg/kg/min or higher.

Q2: How does GIR relate to blood glucose levels?
A: Higher GIR generally leads to higher blood glucose levels, but individual responses vary based on insulin sensitivity and metabolic state.

Q3: What's the difference between GIR and dextrose concentration?
A: Dextrose concentration is the percentage of glucose in the solution, while GIR accounts for both concentration and infusion rate relative to patient weight.

Q4: When should GIR be adjusted?
A: GIR should be adjusted based on blood glucose monitoring, clinical status, and nutritional requirements.

Q5: Can this calculator be used for adults?
A: While the calculation works for adults, GIR is more commonly used in pediatric and neonatal practice.