3.4 Medication Administration & Subcutaneous/Pump Technologies

3.4 Medication Administration & Subcutaneous/Pump Technologies

Introduction to School Medication Administration

Medication administration in the school environment is a complex nursing responsibility governed by state Nurse Practice Acts, federal disability mandates (Section 504 of the Rehabilitation Act, Americans with Disabilities Act, IDEA), and professional guidelines from the National Association of School Nurses (NASN). The school nurse oversees medication delivery systems to ensure therapeutic compliance, minimize adverse drug events, accommodate complex chronic health conditions, and manage modern subcutaneous health technologies.

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The Six Rights of School Medication Administration

To prevent medication errors, school nurses and trained Unlicensed Assistive Personnel (UAPs) must strictly apply the Six Rights of Medication Administration during every administration event:

1. RIGHT STUDENT: Verify identity using two unique identifiers (e.g., student photo in MAR and verbal confirmation of Name/DOB).
2. RIGHT MEDICATION: Compare container label with prescriber order 3 times (retrieval, preparation, and return to storage).
3. RIGHT DOSE: Calculate and confirm exact dose against order and medication concentration.
4. RIGHT ROUTE: Ensure prescribed route (oral, inhaled, topical, SC, enteral) matches pharmacy label and orders.
5. RIGHT TIME: Administer within designated school schedule window (typically +/- 30 minutes of scheduled time).
6. RIGHT DOCUMENTATION: Record immediately on Medication Administration Record (MAR) with date, time, dosage, signature, and response.

Legal Authorizations and Policy Requirements

• Dual Authorization Requirement: Administration of any medication (prescription or OTC) at school requires a written order from an authorized prescribing healthcare provider (MD, DO, NP, PA) AND written permission from the parent/guardian.
• Over-the-Counter (OTC) Medications: OTC products (e.g., acetaminophen, ibuprofen, diphenhydramine) must arrive in their original manufacturer packaging, labeled with the student's name, and require identical dual authorization as prescription drugs.
• Standing Orders: School districts may implement physician standing orders for emergency rescue stock medications, such as stock Epinephrine, stock Naloxone (Narcan), and stock Albuterol.

Controlled Substance Security and Accounting

Schedule II medications (e.g., methylphenidate/Ritalin, amphetamine salts/Adderall) and Schedule III-V drugs present high potential for misuse, diversion, or theft:

• Double-Lock Storage: Controlled substances must be stored in a permanently affixed, double-locked cabinet (e.g., a locked metal medication box secured inside a locked medication closet or cabinet).
• Daily Perpetual Count: A physical count of all controlled substances must be conducted daily and upon receiving/returning supplies, performed by two authorized individuals (e.g., school nurse and another licensed nurse or trained staff member) with dual signatures in a bound, paginated logbook.
• Disposal Standards: Unused or expired controlled substances must be returned directly to the parent/guardian or disposed of according to state board of nursing and DEA guidelines with two witnessing signatures.

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Subcutaneous Insulin Therapy and Advanced Diabetes Technologies

Management of Type 1 Diabetes Mellitus (T1D) in schools relies heavily on subcutaneous insulin administration and sophisticated digital diabetes devices. The school nurse executes orders specified in the student's Diabetes Medical Management Plan (DMMP).

Subcutaneous Insulin Regimens

• Rapid-Acting Insulin (Lispro/Humalog, Aspart/Novolog, Glulisine/Apidra): Onset 10-15 minutes, peak 1-2 hours, duration 3-5 hours. Administered immediately before or after meals based on carbohydrate coverage and correction formulas.
• Long-Acting Insulin (Glargine/Lantus, Detemir/Levemir, Degludec/Tresiba): Provides basal coverage, administered once daily.
• Dose Calculations:
  • Carbohydrate Coverage: Total grams of carbohydrates consumed divided by the Insulin-to-Carbohydrate Ratio (ICR) (e.g., 45g carbs ÷ 15g/unit = 3 units).
  • Correction Dose: (Current Blood Glucose - Target Blood Glucose) divided by the Insulin Sensitivity Factor (ISF / Correction Factor).

Continuous Glucose Monitoring (CGM) Systems

CGMs (e.g., Dexcom G6/G7, Abbott FreeStyle Libre) utilize a subcutaneous sensor wire to measure glucose concentration in interstitial fluid, transmitting real-time values and trend arrows to a receiver or smartphone app.

• Clinical Trend Arrows: Indicate rate and direction of glucose change (e.g., double arrow down indicates rapidly falling glucose >2 mg/dL/min).
• Fingerstick Verification Rule: School nurses must perform a capillary fingerstick blood glucose measurement before taking clinical action if:
  1. Sensor reading indicates severe hypoglycemia (<70 mg/dL) or hyperglycemia (>250 mg/dL).
  2. The student exhibits clinical symptoms of hypoglycemia/hyperglycemia that do not match the sensor reading.
  3. Trend arrows indicate rapid fluctuation.
  4. Prior to administering a manual insulin correction dose (per DMMP policy).

Continuous Subcutaneous Insulin Infusion (CSII / Insulin Pumps)

Insulin pumps deliver continuous rapid-acting basal insulin and bolus doses for meals/corrections via a subcutaneous cannula.

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Emergency Glucagon Therapeutics for Severe Hypoglycemia

Severe hypoglycemia (neuroglycopenia) is a life-threatening emergency characterized by confusion, unresponsiveness, seizure activity, or coma, rendering oral treatment impossible.

Emergency Glucagon Formulations

• Nasal Glucagon (Baqsimi 3 mg): Single-dose nasal powder formulation approved for individuals aged 4 and older. Technique: Gently insert tip into one nostril and press plunger all the way in until the green line disappears. Does NOT require active inhalation or sniffing by the student.
• Subcutaneous / Intramuscular Injectable Glucagon (Gvoke autoinjector, Zegalogue, or Reconstituted Glucagon Emergency Kit): Administered IM or SC into the outer thigh or upper arm (0.5 mg for children <25 kg; 1.0 mg for ≥25 kg).

Post-Glucagon Emergency Management

1. Positioning: Immediately turn the student onto their side (lateral recovery position). Glucagon commonly triggers severe nausea and vomiting upon sensorium recovery; side-lying prevents aspiration of emesis.
2. EMS Activation: Call 911 immediately following glucagon administration.
3. Monitoring: Recheck blood glucose levels every 5 to 10 minutes.
4. Oral Feeding: Once the student regains full consciousness and can swallow safely, provide oral fast-acting carbohydrates followed by a complex protein/carb snack.