Dynamic QT interval analysis : methodological aspects.
Advances in electronic computing have enabled continuous tracking of the QT Interval from 24 hour ambulatory ECG recordings. With proper attention to appropriate lead selection and good hook-up technique the variations in QT can be followed for hours with an uncertainty of only a few milliseconds rms.
Neilson
J M
JM
Department of Medical Physics, The Royal Infirmary, 1 Lauriston Place, EH3 9YW, Edinburgh, UK.