title: [Analysis of the electrocardiographic findings in 288 patients with acute pulmonary thromboembolism].
abstract: OBJECTIVE
  To research variety orderliness of electrocardiogram in patients with acute pulmonary thromboembolism (PET).
  
  
  METHODS
  288 patients with first episode of acute PET were included in the study: There were 136 patients with massive and sub massive PTE (group A) and 152 with non-massive PET (group B). Thrombolytic agents were used for patients in group A and anticoagulant agents for those in group B. The electrocardiographic patterns of these patients were observed on 6 time points during the course. The rate of electrocardiographic abnormalities and differences between groups were analyzed.
  
  
  RESULTS
  A high rate of S(I)Q(III)T(III) change was observed, 32.4% (44/136) in group A and 21.7% (33/152) in group B. Q(III), T(III), and S(I)T(III) were also very common. Negative T-waves in precordial leads were present in 77.8% (105/136) of patients in group A, and 52.0% (79/152) in group B. The amplitude of R(aVR) and S(V5) was decreased gradually and regularly after treatment. The highest rate of left axis deviation was 47.06% in group A and 30.26% in group B, the difference being significant between the 2 groups. The occurrence of right axis deviation was lower, 16.2% (22/136) in group A and 15.1% (23/152) in group B, with no significant difference.
  
  
  CONCLUSIONS
  The electrocardiographic findings were useful in the early diagnosis of PTE.
authors.affiliation: Central Hospital of Beijing Prison Administration Bureau, 100054 China.
authors.forename: Ding
authors.initials: D
authors.lastname: Liu
authors.forename: Yuan-hua
authors.initials: YH
authors.lastname: Yang
authors.forename: Chuang-ye
authors.initials: CY
authors.lastname: Zhang
authors.forename: Chen
authors.initials: C
authors.lastname: Wang
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002681:China; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000503:physiopathology* / Q000628:therapy; D012189:Retrospective Studies