Question

Difficulty: Very hardPharmacological Therapies

A client with dysphagia receives continuous enteral feedings via a nasogastric (NG) tube. The healthcare provider has ordered two distinct liquid medications to be given via the tube. After pausing the feeding pump, in what sequence should the practical nurse (PN) execute the following actions to safely deliver these medications?

  1. 1Elevate the head of the client's bed to at least 30 degrees.
  2. 2Aspirate gastric contents to verify correct tube placement by checking the pH and assess residual volume.
  3. 3Attach a large-barrel syringe without the plunger to the tube and flush with 30 mL of sterile water.
  4. 4Pour the first liquid medication into the syringe barrel, allowing it to flow in by gravity.
  5. 5Flush the nasogastric tube with 15 to 30 mL of sterile water.
  6. 6Administer the second liquid medication and conclude with a final flush of 30 to 60 mL of sterile water.

Answer

The correct sequence begins with positioning the client, verifying tube placement, performing an initial water flush, administering the first medication via gravity, performing an intermediate flush, and finally administering the second medication followed by a terminal flush.
Safe administration of medications via an enteral tube requires strict adherence to sequential safety checks. Elevating the head of the bed minimizes aspiration risk. Verifying placement ensures the tube has not migrated to the lungs. Flushing before, between, and after medications verifies patency, prevents drug-nutrient/drug-drug incompatibilities, and ensures the full dose reaches the stomach. Gravity administration prevents excessive pressure that could rupture the tube.

Step-by-Step Solution

1
Elevate the head of the bed.
The client is safely positioned at 30 degrees or higher.
Reduces the risk of pulmonary aspiration during the medication administration process.
2
Verify tube placement and check residual.
Gastric placement is confirmed, ensuring safety.
Guarantees medications will enter the gastrointestinal tract and not the respiratory system.
3
Perform the initial water flush.
The tube is cleared of formula and patency is established.
Prevents drug-nutrient interactions and ensures the tube is unblocked.
4
Administer the first medication via gravity.
The first dose enters the stomach safely.
Gravity flow prevents excess pressure, while administering one medication at a time avoids drug interactions.
5
Flush with 15 to 30 mL of water.
The tube is cleared of the first medication.
Prevents drug-drug interactions or precipitation inside the tube when multiple medications are ordered.
6
Administer the second medication and the final flush.
All medications are delivered and the tube is thoroughly cleared.
Ensures complete dosing and maintains long-term tube patency.

Key Concept

Safe administration of enteral medications
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