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Myocardial infarction pain: systematic description and analysis.

F Gaston-Johansson, C Hofgren, P Watson

    Intensive Care Nursing
    |March 1, 1991
    PubMed
    Summary
    This summary is machine-generated.

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    Patients with acute myocardial infarction (MI) experience more intense affective pain than sensory pain, unlike non-MI patients. Affective pain descriptors clearly distinguish MI patients, correlating with infarct size.

    Area of Science:

    • Cardiology
    • Pain Medicine
    • Psychology

    Background:

    • Chest pain is a primary symptom of suspected acute myocardial infarction (MI).
    • Understanding the nuances of pain perception in MI is crucial for accurate diagnosis and patient care.

    Purpose of the Study:

    • To delineate the distinct components of pain experienced by patients with suspected acute myocardial infarction (MI).
    • To compare the pain characteristics between patients diagnosed with MI and those without MI.

    Main Methods:

    • Ninety-four patients admitted to a Coronary Care Unit (CCU) with suspected MI were evaluated.
    • Pain intensity was assessed using the Pain-o-meter (POM) and Visual Analogue Scale (VAS).
    • A detailed comparison of chest pain descriptions was conducted between MI and non-MI groups.

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    Main Results:

    • Myocardial infarction (MI) patients reported significantly higher sensory and affective pain intensity compared to non-MI patients.
    • MI patients described more intense affective pain than sensory pain; non-MI patients reported the reverse.
    • The use of affective pain descriptors was a key differentiator between MI and non-MI patients.
    • Pain intensity showed a significant correlation with the estimated size of the myocardial infarction.

    Conclusions:

    • The qualitative description of pain, particularly the use of affective words, is a valuable tool in differentiating acute myocardial infarction (MI) from other causes of chest pain.
    • Affective pain characteristics may serve as important diagnostic indicators in suspected acute MI.
    • Pain intensity and its qualitative components are linked to the extent of myocardial damage.