Sula Marie

💡Would Integrating Simulation Scenarios with the 3-in-1 Dialysis Simulator strengthen realism?

🩺 Simulation Scenario
Air Embolism Due to Improper Venous Line Placement

🎯 Scenario Focus
Air embolism caused by:
Visible air in venous chamber
Venous tubing NOT fully seated in air detector
This introduces a preventable error + equipment misuse, which is exactly what high-level dialysis training should target.

👤 Patient Profile
Name: R.J.
Age: 64
Access: Left forearm AV Graft
Dialysis Session: 2 hours into treatment
Condition: Stable at start of scenario

⚙️ Simulation Setup (Critical Modifications)
3-in-1 Dialysis Simulator
Dialysis Machine (Dedicated for Simulation Training ONLY)
Simulated vital signs and patient response (software or roleplay)
Venous chamber contains visible air (microbubbles progressing to larger air pocket)
Venous tubing is partially dislodged from air detector sensor
Machine does NOT alarm appropriately
Blood pump remains running

📊 Baseline Vitals
BP: 136/82
HR: 84 bpm
RR: 16
SpO₂: 98%
Patient alert, talking

⏱️ Scenario Progression with Vital Trends
🟢 Phase 1: Subtle Onset (0–3 min)
Visual Cue:
Small air bubbles visible in venous chamber/tubing
Tubing visibly misaligned from detector
Patient Complaints:
“I feel a little lightheaded…”
“Something doesn’t feel right…”
Vitals:
BP: 130/80
HR: 92
RR: 18
SpO₂: 95%

🟡 Phase 2: Early Air Embolism (3–6 min)
Symptoms escalate:
Shortness of breath
Anxiety/restlessness
Mild chest discomfort
Patient says:
“I can’t catch my breath…”
“My chest feels tight…”
Vitals:
BP: 118/72
HR: 105
RR: 22
SpO₂: 91%

🔴 Phase 3: Acute Deterioration (6–10 min)
If no intervention:
Symptoms:
Severe dyspnea
Confusion
Cyanosis (if simulated)
Possible loss of consciousness
Vitals:
BP: 88/58
HR: 120–130
RR: 28 (labored)
SpO₂: 84% → dropping

🚨 Critical Action Pathway (Expected Learner Response)
Recognize abnormality
Air in venous chamber
Tubing not in detector
STOP dialysis immediately
Stop blood pump
Clamp arterial & venous lines
Prevent further air entry
Correct tubing placement
Secure connections
Position patient
Left lateral Trendelenburg (Durant maneuver)
Administer high-flow oxygen
Activate emergency response
Monitor & prepare for CPR

❓ Critical Thinking Questions (Ask During or After Scenario)
1. What is the patient experiencing?
2. What assessment findings led you to that conclusion?
3. What immediate interventions are required?
4. What caused this event?
5. How could this have been prevented?

🧠 Debrief Emphasis
This scenario is about:
Human error + system failure
The gap between technology and clinical judgment

Level up your Dialysis Training Program by adding the 3-in-1 Dialysis Simulator to your toolkit!

Coming Soon!
I've been working tirelessly on my new software project developing a curriculum for dialysis simulation high risk low frequency scenarios and core competency skills to complement not only my 3-in-1 Dialysis Simulator but other disciplines as well.
Stay Tuned...