Body position effects on the ECG: implication for ischemia monitoring. Adams, M. & Drew, B. j-JE, 30(4):285–291, October, 1997. bibtex @Article{RSM:Ada97,
author = "M.G. Adams and B.J. Drew",
title = "Body position effects on the {ECG}: implication for
ischemia monitoring.",
journal = j-JE,
year = "1997",
month = oct,
volume = "30",
number = "4",
pages = "285--291",
robnote = "Rotation of the heart in relation to surface
electrocardiographic (ECG) electrodes when a patient
turns to one side has been reported to cause ST-segment
shifts, triggering false alarms with continuous
ST-segment monitoring. We prospectively analyzed
ST-segment and QRS complex changes in both standard and
derived ECGs in 40 subjects (18 with heart disease and
22 healthy) in supine, right- and left-lying positions.
Of the 40 subjects, 6 (4 cardiac, 2 healthy) developed
positional ST deviations of 1 mm or more on the
standard ECG. In the derived method, five of the same
six subjects showed ST-segment deviation of which most
occurred in the left-lying position. Positional ST
changes were most frequent for males and for cardiac
patients (33\%). Changes in QRS complex morphology were
common on the standard (28 of 40, 70\%) and less
frequent on the derived ECGs (17 of 40, 43\%),
occurring in both healthy and cardiac subjects. QRS
axis changes occurred only on the standard ECG. It was
concluded that (1) right and left side-lying positions
frequently induce clinically significant ECG changes;
(2) positional ST-segment deviation is less frequent
than previously reported and is most likely to occur in
males with cardiac disease; and (3) the derived method
is less prone to positional QRS changes than the
standard ECG.",
bibdate = "Sat Mar 8 12:59:53 2008",
}
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{"_id":"Zq5swDMiKz2fAPCss","bibbaseid":"adams-drew-bodypositioneffectsontheecgimplicationforischemiamonitoring-1997","downloads":0,"creationDate":"2016-07-01T21:38:28.884Z","title":"Body position effects on the ECG: implication for ischemia monitoring.","author_short":["Adams, M.","Drew, B."],"year":1997,"bibtype":"article","biburl":"http://www.sci.utah.edu/~macleod/Bibtex/biglit.bib","bibdata":{"bibtype":"article","type":"article","author":[{"firstnames":["M.G."],"propositions":[],"lastnames":["Adams"],"suffixes":[]},{"firstnames":["B.J."],"propositions":[],"lastnames":["Drew"],"suffixes":[]}],"title":"Body position effects on the ECG: implication for ischemia monitoring.","journal":"j-JE","year":"1997","month":"October","volume":"30","number":"4","pages":"285–291","robnote":"Rotation of the heart in relation to surface electrocardiographic (ECG) electrodes when a patient turns to one side has been reported to cause ST-segment shifts, triggering false alarms with continuous ST-segment monitoring. We prospectively analyzed ST-segment and QRS complex changes in both standard and derived ECGs in 40 subjects (18 with heart disease and 22 healthy) in supine, right- and left-lying positions. Of the 40 subjects, 6 (4 cardiac, 2 healthy) developed positional ST deviations of 1 mm or more on the standard ECG. In the derived method, five of the same six subjects showed ST-segment deviation of which most occurred in the left-lying position. Positional ST changes were most frequent for males and for cardiac patients (33%). Changes in QRS complex morphology were common on the standard (28 of 40, 70%) and less frequent on the derived ECGs (17 of 40, 43%), occurring in both healthy and cardiac subjects. QRS axis changes occurred only on the standard ECG. It was concluded that (1) right and left side-lying positions frequently induce clinically significant ECG changes; (2) positional ST-segment deviation is less frequent than previously reported and is most likely to occur in males with cardiac disease; and (3) the derived method is less prone to positional QRS changes than the standard ECG.","bibdate":"Sat Mar 8 12:59:53 2008","bibtex":"@Article{RSM:Ada97,\n author = \"M.G. Adams and B.J. Drew\",\n title = \"Body position effects on the {ECG}: implication for\n ischemia monitoring.\",\n journal = j-JE,\n year = \"1997\",\n month = oct,\n volume = \"30\",\n number = \"4\",\n pages = \"285--291\",\n robnote = \"Rotation of the heart in relation to surface\n electrocardiographic (ECG) electrodes when a patient\n turns to one side has been reported to cause ST-segment\n shifts, triggering false alarms with continuous\n ST-segment monitoring. We prospectively analyzed\n ST-segment and QRS complex changes in both standard and\n derived ECGs in 40 subjects (18 with heart disease and\n 22 healthy) in supine, right- and left-lying positions.\n Of the 40 subjects, 6 (4 cardiac, 2 healthy) developed\n positional ST deviations of 1 mm or more on the\n standard ECG. In the derived method, five of the same\n six subjects showed ST-segment deviation of which most\n occurred in the left-lying position. Positional ST\n changes were most frequent for males and for cardiac\n patients (33\\%). Changes in QRS complex morphology were\n common on the standard (28 of 40, 70\\%) and less\n frequent on the derived ECGs (17 of 40, 43\\%),\n occurring in both healthy and cardiac subjects. QRS\n axis changes occurred only on the standard ECG. It was\n concluded that (1) right and left side-lying positions\n frequently induce clinically significant ECG changes;\n (2) positional ST-segment deviation is less frequent\n than previously reported and is most likely to occur in\n males with cardiac disease; and (3) the derived method\n is less prone to positional QRS changes than the\n standard ECG.\",\n bibdate = \"Sat Mar 8 12:59:53 2008\",\n}\n\n","author_short":["Adams, M.","Drew, B."],"key":"RSM:Ada97","id":"RSM:Ada97","bibbaseid":"adams-drew-bodypositioneffectsontheecgimplicationforischemiamonitoring-1997","role":"author","urls":{},"metadata":{"authorlinks":{}},"downloads":0,"html":""},"search_terms":["body","position","effects","ecg","implication","ischemia","monitoring","adams","drew"],"keywords":[],"authorIDs":[],"dataSources":["5HG3Kp8zRwDd7FotB"]}