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Related Experiment Videos

Routine pre-operative electrocardiography.

G J McCleane1, E McCoy

  • 1Department of Anaesthetics, Altnagelvin Hospital, Londonderry, Northern Ireland.

The British Journal of Clinical Practice
|March 1, 1990
PubMed
Summary
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An electrocardiogram (ECG) revealed abnormalities in 45% of 877 patients undergoing anesthesia. Abnormal ECG findings were more common in patients over 40 and those with higher American Society of Anesthesiologists (ASA) grades.

Area of Science:

  • Cardiology
  • Anesthesiology
  • Medical Diagnostics

Background:

  • Electrocardiograms (ECGs) are crucial for assessing cardiac health before anesthesia.
  • Pre-anesthetic ECGs can identify underlying cardiac conditions that may pose risks during surgery.
  • Understanding the prevalence of abnormal ECGs in specific patient demographics is essential for risk stratification.

Purpose of the Study:

  • To determine the incidence of abnormal electrocardiograms (ECGs) in patients presenting for anesthesia.
  • To identify demographic and clinical factors associated with abnormal ECG findings in this patient population.
  • To provide recommendations for pre-anesthetic ECG investigations based on study findings.

Main Methods:

  • A retrospective analysis of 877 patients undergoing anesthesia.

Related Experiment Videos

  • Review of electrocardiogram (ECG) results for all participating patients.
  • Statistical analysis to determine the prevalence of abnormal ECGs and associated factors, including age and American Society of Anesthesiologists (ASA) physical status classification.

    • Main Results:

    • 45% of the 877 patients studied presented with abnormal ECGs.
    • The incidence of abnormal ECGs was significantly higher in patients over the age of 40.
    • Patients classified under American Society of Anesthesiologists (ASA) Grades II, III, IV, and V showed a higher prevalence of abnormal ECGs.

    Conclusions:

    • Abnormal ECGs are common in patients undergoing anesthesia, particularly in older individuals and those with higher ASA grades.
    • Pre-anesthetic ECG screening is highly recommended for patients over 40 and those with ASA Grades II-V.
    • These findings support targeted ECG investigations to improve patient safety during anesthesia.