Overview
A Holter monitor is a portable ECG device that records heart rhythms continuously for 24-48 hours or longer. This protocol outlines the proper procedures for device placement, patient instruction, and data collection.
Equipment Required
- Holter monitor device
- Fresh batteries
- ECG electrodes
- Skin preparation materials
- Patient diary forms
- Adhesive tape
Pre-Procedure Protocol
Patient Preparation
- Verify patient identity and order details
- Review patient's current medications
- Explain procedure and monitoring duration
- Obtain informed consent if required
Skin Preparation
- Identify correct electrode placement sites
- Clean sites with alcohol wipes
- Gently abrade skin if necessary
- Ensure sites are completely dry
Device Application
Electrode Placement
- Apply electrodes in prescribed locations:
- V1 position: 4th intercostal space, right sternal border
- Modified V5 position: 5th intercostal space, anterior axillary line
- Modified V3 position: Midway between V1 and V5
Connection Verification
- Check electrode adhesion
- Verify signal quality
- Secure leads with adhesive tape
- Test device function
Patient Instructions
Essential Guidelines
- Maintain normal daily activities
- Keep device dry
- Complete activity diary
- Note any symptoms
- Avoid electromagnetic interference
Documentation Requirements
- Time and type of activities
- Symptoms experienced
- Medication timing
- Sleep periods
Device Removal and Analysis
Completion Protocol
- Remove device at scheduled time
- Document wear duration
- Download data
- Process recording
- Generate preliminary report
Quality Assurance
- Verify minimum 20 hours of readable data
- Check for artifacts
- Validate diary correlations
- Ensure proper documentation
Documentation Requirements
- Patient demographics
- Study duration
- Technical quality
- Clinical findings
- Preliminary interpretation