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Table 1 Clinical characteristics of the patients studied

From: Dobutamine stress echocardiography for assessing the role of dynamic intraventricular obstruction in left ventricular ballooning syndrome

Age (yrs) 68 ± 9(range 54-84)
Sex (M/W) 0/22
Hypertension 17 (77%)
Dyslipidemia 11 (50%)
Family history of CAD 8 (36%)
Diabetes mellitus 1 (4%)
Smoking 1 (4%)
Previous angina 0
Triggering event 11 (50%)
ECG in the acute phase:  
ST-segment elevation 13 (59%)
Negative T waves 7 (32%)
Minor ST-T abnormalities 2 (9%)
Coronary angiography  
Normal coronary arteries 14 (64%)
<50% stenosis 1 vessel 8 (32%)
Ejection fraction 48 ± 8%
  1. Abbreviations: M = men; W = women; CAD = Coronary artery disease.