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NUR 141: SKILL 28-2: REGULATING INTRAVENOUS FLOW RATE

NUR 141: SKILL 28-2: REGULATING INTRAVENOUS FLOW RATE. REGULATING INTRAVENOUS FLOW RATE – INTRODUCTION After initiating an infusion and ensuring that the line is patent, regulate the rate of infusion according to the health care provider’s order.

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NUR 141: SKILL 28-2: REGULATING INTRAVENOUS FLOW RATE

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  1. NUR 141: SKILL 28-2: REGULATING INTRAVENOUS FLOW RATE

  2. REGULATING INTRAVENOUS FLOW RATE – INTRODUCTION • After initiating an infusion and ensuring that the line is patent, regulate the rate of infusion according to the health care provider’s order. • Accurate infusion rates are essential in the delivery of solutions and medications. • Appropriate regulation of fluid rates reduces complications (e.g., phlebitis, infiltration, fluid overload or clotting of the VAD) {Ventricular Assist Device} associated with IV therapy. • Changes in patient position, flexion of the IV site extremity, and occlusion of the IV device influence infusion rates. • Vasospasm of the vein, venous trauma, or manipulation of the device also affects infusion rates. • A patient achieves therapeutic outcomes and fewer complications when an IV system and flow rate are assessed systematically.

  3. Regulating Intravenous Flow Rate – Introduction – CONTINUED • There are a variety of methods for calculating infusion rates. • Electronic infusion devices (EIDs) maintain correct flow rates and catheter patency and prevent an unexpected bolus of IV infusion. • Many EIDs provide a record of the volume of fluid infused over a period of time. • An EID delivers a measured amount of fluid over a period of time (e.g., 100 mL/hr) using positive pressure. • Infusion pumps are necessary for patients requiring low hourly rates, at risk for volume overload, with impaired renal clearance, or receiving solutions or medications that require a specific hourly volume. • The capabilities of EID have increased over the years, allowing for enhanced patient safety. • Multifunctional EIDs are designed to be a final step in preventing errors that relate directly to administration of IV medications.

  4. Regulating Intravenous Flow Rate – Introduction – CONTINUED • These “smart pumps” have built-in software programmed from health care pharmacy databases with unit-specific profiles. • The pump has an audible and visual alert when its setting does not match the medication administration guidelines, helping to prevent infusion errors. • Each pump has the potential to use add-on syringe pumps, permit multiple infusions, and administer patient-controlled analgesia. • The potential reduction in serious medication errors and the improved patient outcomes have prompted many organizations to implement this technology.

  5. ASSESSMENT: • 1. Review accuracy and completeness of health care provider order in patient’s medical record for patient name and correct solution; type, volume, additives, rate and duration of IV therapy. Follow six rights of drug administration. • 2. Assess patient’s knowledge of how positioning of IV site affects the flow rate. • 3. Perform hand hygiene. Inspect IV site for signs and symptoms of IV related complications such as pain, swelling or redness. • 4. Observe for patency of IV tubing and VAD. • 5. Identify patient risk for fluid and electrolyte imbalance, given type of IV fluid (e.g., neonate, history of cardiac or renal disease).

  6. PLANNING: • 1. Expected outcomes following completion of the procedure: • Serum electrolyte levels remain within normal limits • Patient receives prescribed volume of solution over desired time interval. • No signs or symptoms of Iv-related complications (e.g., infiltration, infection.)

  7. IMPLEMENTATION • 1. Identify patient using two identifiers (i.e., name and birthday or name and account number) according to agency policy. Compare identifiers in MAR/medical record with information on patient’s identification bracelet and/or ask patient to state name. • 2. Have paper and pencil or calculator to calculate flow rate • 3. Know calibration (drop factor) in drops per milliliter (gtt/mL) of infusion set used by agency. • A. Microdrip: 60 gtt/mL: Used to deliver rates less than 100 mL/hr. • B. Macrodrip: 10 to 15 gtt/mL (depending on manufacturer): Used to deliver rates greater than 100 mL/hr.

  8. 4. Determine how long each liter of fluid should run. Calculate milliliters per hour (hourly rate) by dividing volume by hours: • mL/hr =Total Infusion (mL) Hours of infusion 1000mL/8hur = 125 mL/hr or if 3 L is ordered for 24 hours 3000 mL/24 hr = 125 mL/hr

  9. 5. Select one of the following formulas to calculate minute flow rate (drops per minute) based on drop factor or infusion set: • A. mL/hr/60 min = mL/min • Drop factor X mL/min=Drops/min • OR • B. mL/hr Xdrop factor/60 min = Drops/min • Calculate minute flow rate for a bag 1:1000 mL with 20 mEq KC1 @ 125 mL/hr • MICRODRIP: • 125 mL/hr X 60 gtt/mL = 7500 gtt/hr • 7500 gtt divided by 60 minutes = 125 gtt/min • When using microdrip, milliliters per hour (mL/hr) always equals drops per minute (gtt/min).

  10. MACRODRIP: • 125 mL/hr X 15 gtt/mL = 1875 gtt/hr • 1875 gtt divided by 60 minutes = 31-32 gtt/min • CALCULATIONS CAN BE DIFFICULT – YOU WILL USE THEM THROUGHOUT YOUR CAREER. • I HAVE FOUND A WEBSITE THAT MAY BE BENEFICIAL TO YOU AND IT IS CALLED: DOSAGE HELP and the link is provided below! • http://www.dosagehelp.com/ Here is an outline of the DOSAGE HELP WEBSITE! Table of Contents for Dosage Calculations Tutorial Dosage Question Steps Unit Conversion Mass for Mass Mass/Liquid For Liquid IV Terms and Abbreviations Amount in IV Fluid Volume/Time - IV mL Rate Volume/Time - IV Drop Rate Fluid Maintenance Requirement Dosage By Weight Mass/Time - IV mL Rate Practice Questions

  11. 6. For gravity infusions: Confirm hourly rate and minute rate based on drop factor of infusion set. Using formula (see Step 5), calculate the flow rate. • A. Ensure that IV container is 36 inches above the IV site for adults. • B. Regulate flow rate by counting drops in drip chamber for 1 minute by watch; adjust roller clamp to increase or decrease the rate of the infusion.

  12. 7. For use of EID for infusion: Follow manufacturer guidelines for setup of EID. • A. Insert IV tubing into chamber of control mechanism (see manufacturer directions). • B. Turn on power button, select required drops per minute or volume per hour, close door to control chamber, and press start button. • C. Open drip regulator completely while EID is in use. • D. Monitor infusion rate and IV site for complications according to agency policy. Use watch to verify rate of infusion, even when using EID. • E. Assess patency of system when alarm signals.

  13. 8. For volume-control device: • A. Place volume-control device between IV container and insertion of spike of infusion set using aseptic technique. • B. Place no more than a 2-hour allotment of fluid into device by opening clamp between IV bag and device. • C. Assess system at least hourly; add fluid to volume-control device. Regulate flow rate. • 9. Attach label to IV fluid container with date and time container changed (check agency policy). • 10. Instruct patient in purpose of alarms, to avoid raising hand or arm that affects flow rate, and to avoid touching control clamp.

  14. EVALUATION: • 1. Monitor IV infusion at least every hour, noting volume of IV fluid infused and rate – This ensures that correct volume infuses over prescribed time period. • 2. Observe patient for signs of fluid volume excess or deficit and signs of fluid and electrolyte imbalance – This determines response to therapy. Signs & Symptoms of dehydration, over-hydration, or electrolyte imbalance warrant changing rate of fluid infused. • 3. Evaluate for signs of IV-related complications (e.g., infiltration, phlebitis, occluded venous access device {VAD}, kink or knot in infusion tubing) – This prevents complications that decrease or stop flow rate.

  15. UNEXPECTED OUTCOMES: • 1. Sudden infusion of large volume of solution occurs with patient having symptoms of dyspnea; crackles in lung; and increased urine output, indicating fluid overload. • Slow infusion rate; KVO rates must have specific rate ordered by licensed independent practitioner • Notify health care provider immediately • Place the patient in a high-Fowler’s position • Anticipate new IV orders • Administer diuretics if ordered. • 2. IV fluid container empties with subsequent loss of IV line patency. • Discontinue present IV and restart new short peripheral catheter in new site. • 3. IV infusion is slower than ordered. • Check for positional change that affects rate, height of IV container, kinking of tubing or obstruction. • Check VAD site for complications • Consult health care provider for new order to provide necessary fluid volume

  16. RECORDING & REPORTING: • Record rate of infusion in drops per minute or milliliters per hour in nurses’ notes and HER or on parenteral administration form according to agency policy. • Document use of any EID or control device and identification number on that device. • At change of shift or when leaving on break, report rate of and volume left in infusion to nurse in charge or next nurse assigned to care for the patient.

  17. This is the end of the skill. • Your book has provided a video for this skill & the link is as follows: • REGULATING INTRAVENOUS FLOW RATE: • http://booksite.Elsevier.com/Perry-Potter/ClinicalSkills/video35.php • Elsevier: Perry-Potter: Clinical Nursing Skills and Techniques, 8 e-28.2 Regulating Intravenous Flow

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