Holter Monitoring and Ambulatory EKG Flashcards
7 cards from real CET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Holter Monitoring and Ambulatory EKG flashcards as text
Which lead configuration is most commonly used in two-channel Holter monitoring?
Answer: Modified bipolar leads resembling V1 and V5 positions (e.g., CM5 and CC5)
Modified bipolar leads resembling V1 and V5 positions are most commonly used because they provide effective arrhythmia detection and ST segment monitoring.
A cardiac event monitor differs from a standard Holter monitor in that it:
Answer: Can be worn for weeks to months and records during symptomatic episodes
Unlike a Holter that records continuously for 24-48 hours, a cardiac event monitor is worn for weeks to months and records when triggered by patient symptoms or automatic arrhythmia detection.
After Holter monitoring is complete and the patient returns the device, what should the technician do FIRST?
Answer: Inspect electrode sites for skin irritation and document findings
Patient safety comes first; the technician should inspect and document any skin reactions or breakdown at electrode sites before downloading data.
For which condition would Holter monitoring be MOST clinically useful?
Answer: Paroxysmal supraventricular tachycardia (PSVT)
PSVT is ideal for Holter evaluation because it occurs unpredictably and briefly, requiring extended monitoring to capture the arrhythmia during a symptomatic episode.
Heart rate variability (HRV) analysis from a Holter recording provides information primarily about:
Answer: Autonomic nervous system function and cardiovascular risk
HRV analysis measures the variation in time between consecutive heartbeats, which reflects autonomic nervous system tone and is a predictor of cardiovascular risk.
During Holter electrode placement, which location should be AVOIDED?
Answer: Bony prominences and areas with excessive motion
Bony prominences and high-motion areas should be avoided because they increase artifact and impair electrode adhesion during activity.
A patient wearing a Holter monitor should be instructed to:
Answer: Continue normal daily activities while maintaining an accurate diary
Patients should continue normal activities so the recording reflects everyday cardiac behavior, while documenting symptoms and activities in the diary for physician correlation.