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1 CE HOURClinical Medical Assisting

Interference Factors on ECG

Key Terms: 
  • Artifact
  • Interference
  • Baseline Wander
  • Somatic Tremor Artifact
  • 60-Cycle AC Interference
  • Limb Lead Reversal
  • Precordial Lead Misplacement
  • Differential Amplification
  • Root Cause Analysis (RCA
  • Quality-Control Workflow

Outline:
  • Introduction
    • Learning Objectives
    •  Key Terminology
    •  Relevance of ECG Quality
    •  Interference vs Artifact: Clarifying Terminology
  •  Categories of ECG Interference
    • Categories of ECG Interference
    •  Four Major Domains of ECG Interference
      • Patient-Related Interference
        • Muscle Tremor Artifact
        • Movement & Respiratory Artifact
        • Somatic Tremor vs True Arrhythmia
        • Case Study: Tremoring Elderly Patient
        • Case Study Resolution: Tremoring Elderly Patient
      •  Skin & Electrode Factors 
        • Skin Preparation Errors
        •  Hair & Adhesion Problems
        •  Electrode Quality & Expiration
      •  Equipment-Related Interference 
    • Lead Wire Problems
      •  Amplifiers & Filters
      •  Grounding and Shielding
      •  Case Study: Single Lead Distortion
      •  Case Study Resolution: Single Lead Distortion
    •  Environmental Interference
      • 60-Cycle AC Interference (Power Line Artifact)
      •  Clinical Environment Sources
      •  Myth vs Reality: Cell Phones & ECG Interference
      •  Case Study: Suspected STEMI with Baseline Noise
      •  Case Study Resolution: Suspected STEMI with Baseline Noise
  • Lead Misplacement as an Interference Factor
    • Limb Lead Reversal
    •  Precordial Lead Misplacement
    •  Case Study: Anterior ST Elevation Concern
    •  Case Study Resolution: Anterior ST Elevation Concern
    •  Clinical Consequences of Misplacement
    •  Case Study: Suspected Axis Deviation
    •  Case Study Resolution: Suspected Axis Deviation 
  • Root Cause Analysis Approach
    • Stepwise Artifact Analysis Model
    •  Recognizing Pattern Clues
    •  Before You Print: Real-Time Quality Check
    •  Choose the Next Step
    •  Choose the Next Step – Resolution
    •  Follow-Up: Repeat ECG Still Shows ST Elevation
  •  Prevention Protocol
    • 6-Step ECG Quality Workflow
    •  Case Study: Final Quality Check Decision
    •  Case Study Resolution: Final Quality Check Decision
    •  Standardized Skin Prep Protocol
    •  Documentation of Interference
  •  Conclusion and key takeaways

Accreditation Numbers

  • 586-4224-26