Course Content
Module 1: Basic ECMO
Module I: Extracorporeal Membrane Oxygenation Basics (ECMO Basics) This module covers the foundational knowledge of ECMO, including circuit physiology, components, and basic ECMO management. Duration: 3 Weeks (Course weeks 1 to 3) Week 1: Introduction to ECMO Week 2: ECMO Physiology & Circuit Management Week 3: ECMO Complications and Troubleshooting Module I Pretest: 30 MCQs
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Module II: Veno-venous Extracorporeal Membrane Oxygenation (VV ECMO)
This module focuses on the use of VV ECMO in patients with respiratory failure. Topics include ARDS management, VV ECMO cannulation strategies, and VV ECMO troubleshooting. Duration: 3 Weeks (Course weeks 4 to 6) Module II Pretest: 30 MCQs Week 4: VV ECMO Fundamentals Start Date: July 20, 2025 a. Respiratory failure and ARDS management (Ahmed Magdey) b. Evidence for VV ECMO use and landmark trials (Hesham Faisal) c. VV ECMO cannulation techniques and pros and cons of different VV ECMO configuration choices (Moustafa Esam) d. ECMO Retrieval and Patient Transport on ECMO (Ahmed Labib)
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Module III: Veno-arterial Extracorporeal Membrane Oxygenation (VA ECMO)
This module focuses on VA ECMO for cardiogenic shock, including cannulation strategies, LV unloading, and advanced applications. Duration: 3 Weeks (Course weeks 7 to 9) Module II Pretest: 30 MCQs
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Extra Corporeal Membrane Oxygenation (ECMO) and Mechanical Circulatory Support (MCS) course (Copy 4)

Lecture Summary: Monitoring Patients on VV ECMO

Learning Objectives

  • Understand the goals of VV ECMO monitoring.

  • Systematically assess the patient and ECMO circuit.

  • Identify key parameters to monitor in both patient and machine.

  • Recognize early signs of complications and readiness for weaning.

Principles of VV ECMO Monitoring

  • Monitoring must be divided into three components:

    1. Patient – ICU assessment (organ function, hemodynamics, sedation, fluid balance).

    2. ECMO Circuit – ensuring correct function of pump, oxygenator, and cannulas.

    3. Interaction – harmony between patient’s cardiopulmonary system and ECMO.

  • Multidisciplinary team (nurses, intensivists, perfusionists, surgeons, respiratory physicians) plays a critical role through daily rounds and checklists.

Patient Monitoring

  1. Respiratory System

    • Clinical exam, chest imaging, ventilator settings.

    • Key variables: tidal volume, compliance, gas exchange.

  2. Hemodynamics

    • MAP, HR, fluid status (ultrasound, balance chart, exam).

    • Volume overload → may delay ECMO weaning.

    • Thermodilution is unreliable on ECMO.

  3. Neurological Status

    • Vigilant monitoring for intracranial bleeding, sedation depth, pupillary reactions.

  4. Renal Monitoring

    • Urine output, urine color, interaction with RRT.

  5. Drug Effects

    • Pharmacokinetics altered by ECMO → focus on effect, not just dose.

  6. Hematology & Anticoagulation

    • Daily targets for Hb, platelets, and anticoagulation adjusted to bleeding/thrombosis risk.

ECMO Circuit Monitoring

  • Cannulas: location (radiology + clinical), tip position, migration risks, infection/bleeding/DVT at site.

  • Blood Gases:

    • Pre-oxygenator: represents venous return/CvO₂ (consumption vs drainage adequacy).

    • Post-oxygenator: represents oxygenator function (baseline reference after initiation).

  • Pressures: Pre-pump and post-oxygenator pressures for circuit integrity.

  • Alarms: Set high/low flow alarms early for safety.

Patient–ECMO Interaction

  • Gas exchange depends on 3 components:

    1. Oxygenator performance.

    2. Native lung contribution (from full shunt → partial recovery).

    3. Proportion of undrained venous blood mixing with ECMO return.

  • ABG monitoring:

    • Arterial blood gas = final interaction of patient + ECMO.

    • Compare with pre- and post-oxygenator gases to troubleshoot.

Complications to Detect Early

  • Cannula displacement or malposition.

  • Bleeding (internal/external).

  • Oxygenator dysfunction (falling post-oxygenator PaO₂).

  • Infection or clot formation.

Key Takeaway Framework (ABC of Monitoring)

  • A – Assess the patient.

  • B – Assess the ECMO circuit.

  • C – Assess their interaction.

Conclusion

Monitoring VV ECMO patients requires:

  • Continuous vigilance,

  • Structured assessment (patient, circuit, interaction),

  • Multidisciplinary collaboration,

  • Early recognition of complications and recovery to guide management and weaning.

Saving Lives Academy
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