This content is PDF only. Please click on the PDF icon to access.
Ambulatory electrocardiographic (ECG) (Holter) monitoring was introduced more than 20 years ago, providing a method for recording a patient's cardiac rhythm for 24 or more hours. Within the past 10 years, technologic advances in equipment have provided the capability for monitoring changes in the ST segment throughout a patient's daily activities [1.0].
Most systems use reel-to-reel tapes or cassettes to record AM or FM analog signals and have calibration and event marker controls and an internal clock. Newer devices convert the signal to a digital format for storage. Intermittent recorders are patient- or time-activated recorders that store
Ambulatory Electrocardiographic (Holter) Monitoring. Ann Intern Med. 1990;113:77–79. doi: 10.7326/0003-4819-113-1-77
Download citation file:
Published: Ann Intern Med. 1990;113(1):77-79.
Cardiology, Healthcare Delivery and Policy.
Copyright © 2017 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
Conditions of Use