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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.