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mL/hr calculation determines the rate of fluid administration or infusion in milliliters per hour. It is commonly used in medical settings for intravenous fluid therapy, medication administration, and nutritional support.
The calculator uses the formula:
Where:
Explanation: This simple division formula calculates the infusion rate required to administer a specific volume over a given time period.
Details: Accurate mL/hr calculation is essential for proper medication dosing, fluid replacement therapy, and ensuring patient safety during intravenous treatments. It helps prevent under or over-infusion of fluids and medications.
Tips: Enter the total volume in milliliters and the time duration in hours. Both values must be positive numbers greater than zero for accurate calculation.
Q1: What is mL/hr used for in medical settings?
A: mL/hr is used to calculate infusion rates for IV fluids, medications, blood products, and nutritional solutions to ensure proper administration over specified time periods.
Q2: How do I convert mL/hr to drops per minute?
A: To convert mL/hr to drops per minute, use the formula: drops/min = (mL/hr × drop factor) ÷ 60. The drop factor varies by administration set (typically 10, 15, or 20 drops/mL).
Q3: What are typical mL/hr ranges for IV fluids?
A: Typical maintenance IV rates for adults range from 80-125 mL/hr, but this varies based on patient condition, fluid type, and specific medical requirements.
Q4: Can this calculation be used for medication infusions?
A: Yes, this calculation is fundamental for determining infusion rates for continuous medication drips and intermittent IV medications.
Q5: What factors might affect mL/hr calculations?
A: Factors include patient weight, clinical condition, specific medication requirements, fluid restrictions, and the type of infusion pump being used.