Why the study?
Do ECG changes during dobutamine stress echocardiography correlate with left ventricular wall motion disturbances in patients with coronary artery disease?
Population
44 subjects, including 27 patients with documented coronary artery disease and 17 controls of similar age.
Comparison
Dobutamine stress echocardiography with… vs Controls of similar age undergoing the same…
Design
Cohort
Authors
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May support adjunctive ECG monitoring during DSE in CAD; leaves open incremental diagnostic value beyond imaging.
Do ECG changes during dobutamine stress echocardiography correlate with left ventricular wall motion disturbances in patients with coronary artery disease?
During dobutamine stress echocardiography in CAD patients, QRS broadening and QTc prolongation correlate with systolic and diastolic left ventricular wall motion disturbances, respectively.
O’Sullivan et al. (1998) studied this question.
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