The predictive value of the electrocardiographic pattern of acute Q-wave myocardial infarction for recurrent ischemia.

Abstract:

:A total of 140 consecutive patients with acute Q-wave myocardial infarction was evaluated to assess the relationship between different electrocardiographic patterns of evolution and the incidence of recurrent ischemia within 10 days of infarction. Patients were allocated to three groups according to the electrocardiogram at 12 h after admission: Group A: ST elevation of < 2 mm and negative T waves (75 patients); Group B: ST elevation of > 2 mm and negative T waves (35 patients); Group C: ST elevation of > 2 mm and positive T waves (30 patients). Patients in Group C had more anterior wall infarctions (82%) than Group A (40%) or Group B (58%) (p = 0.0001). Peak creatine kinase levels were lower in Group A (782 +/- 115 IU) than in Groups B (1415 +/- 257 IU) and C (1501 +/- 287 IU) (p < 0.0001). The occurrence of post-infarction recurrent ischemia was more frequent in Group A (79.2%) than in Groups B (33.3%) and C (14.8%) (p < 0.0001). Patients in Group A had relatively smaller infarctions and a higher incidence of recurrent ischemia, whereas patients in Group C had larger infarctions and a lower incidence of recurrent ischemia. The electrocardiographic pattern 12 h after admission for acute myocardial infarction is helpful in identifying a subgroup at high risk of recurrent ischemia.

journal_name

Clin Cardiol

journal_title

Clinical cardiology

authors

Benjaminov FS,Sclarovsky S,Birnbaum Y

doi

10.1002/clc.4960181205

subject

Has Abstract

pub_date

1995-12-01 00:00:00

pages

710-5

issue

12

eissn

0160-9289

issn

1932-8737

journal_volume

18

pub_type

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