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Can myocardial ischemia be recognized by the exercise electrocardiogram in coronary disease patients with abnormal resting Q waves?

The American heart journal, 1986-05, Vol.111 (5), p.909-916 [Peer Reviewed Journal]

1986 The C. V. Mosby Company ;1986 INIST-CNRS ;ISSN: 0002-8703 ;EISSN: 1097-6744 ;DOI: 10.1016/0002-8703(86)90641-1 ;PMID: 3706111 ;CODEN: AHJOA2

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Title:
Can myocardial ischemia be recognized by the exercise electrocardiogram in coronary disease patients with abnormal resting Q waves?
Author: Ahnve, Staffan ; Savvides, Marios ; Abouantoun, Sleiman ; Atwood, J. Edwin ; Froelicher, Victor
Subjects: Adult ; Biological and medical sciences ; Cardiology. Vascular system ; Coronary Disease - diagnosis ; Coronary Disease - diagnostic imaging ; Coronary Disease - etiology ; Coronary heart disease ; Electrocardiography ; Exercise Test ; Heart ; Heart - diagnostic imaging ; Humans ; Male ; Medical sciences ; Middle Aged ; Physical Exertion ; Radioisotopes ; Radionuclide Imaging ; Thallium
Is Part Of: The American heart journal, 1986-05, Vol.111 (5), p.909-916
Description: This study was performed in order to determine whether exercise-induced myocardial ischemia demonstrated by thallium-201 imaging could be detected by ST segment shifts in patients with abnormal Q waves at rest. Fifty-four patients with coronary artery disease and exercise-induced thallium-201 defects were compared to 22 patients with similar Q wave patterns but without thallium-201 exercise defects and to 14 normal subjects. Exercise data were analyzed visually in the 12-lead ECG and for spatial ST vector shifts. Both ST segment depression observed on the 12-lead ECG and spatial criteria were reasonably sensitive and specific for ischemia when the resting ECG showed no Q waves or inferior Q waves (range 69% to 93%). However, when anterior Q waves were present, ST segment shifts could not distinguish patients with ischemia from those with normal perfusion as determined by thallium imaging.
Publisher: New York, NY: Mosby, Inc
Language: English
Identifier: ISSN: 0002-8703
EISSN: 1097-6744
DOI: 10.1016/0002-8703(86)90641-1
PMID: 3706111
CODEN: AHJOA2
Source: MEDLINE
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Can myocardial ischemia be recognized by the exercise electrocardiogram in coronary disease patients with abnormal resting Q waves?

1986 The C. V. Mosby Company ;1986 INIST-CNRS ;ISSN: 0002-8703 ;EISSN: 1097-6744 ;DOI: 10.1016/0002-8703(86)90641-1 ;PMID: 3706111 ;CODEN: AHJOA2

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