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Related Experiment Videos

Treadmill exercise testing in ischaemic heart disease.

D Tan1

  • 1Gleneagles Medical Centre, Singapore.

Annals of the Academy of Medicine, Singapore
|April 1, 1987
PubMed
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Treadmill exercise tests revealed significant rates of ischemic and hypertensive responses, alongside cardiac arrhythmias. Many patients with ischemic responses experienced anginal symptoms, highlighting the importance of exercise testing in cardiovascular assessment.

Area of Science:

  • Cardiology
  • Exercise Physiology

Background:

  • Treadmill exercise testing is a common diagnostic tool.
  • Ischemic and hypertensive responses during exercise can indicate underlying cardiovascular issues.

Purpose of the Study:

  • To analyze treadmill exercise test results in a large cohort.
  • To specifically examine ischemic responses and associated clinical factors.

Main Methods:

  • Analysis of 1,600 consecutive treadmill exercise tests.
  • Defined ischemic response as ST segment depression ≥ 1 mm.
  • Defined hypertensive response as systolic BP > 200 mm Hg or diastolic BP > 100 mm Hg.

Main Results:

  • 150 (9%) subjects had ischemic responses.

Related Experiment Videos

  • 279 (17%) subjects had hypertensive responses.
  • 173 (11%) subjects had cardiac arrhythmias.
  • Among ischemic responses, 46% had anginal symptoms, 43% had no pain.
  • 18% of ischemic responses had prior myocardial infarction.
  • Common risk factors included hypertension (36%), diabetes (22%), hypercholesterolemia (37%), and smoking (29%).

    • Conclusions:

    • Treadmill exercise testing identifies significant ischemic and hypertensive responses.
    • Ischemic responses can occur with or without anginal symptoms.
    • Prevalence of risk factors like hypertension and diabetes is notable in this cohort.