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Related Experiment Videos

Exercise-induced S-T segment elevation in variant angina.

S Gottlieb, D Tzivoni, A Keren

    Cardiology
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    This study highlights three patients with co-existing effort angina and Prinzmetal's variant angina. Prompt diagnosis and appropriate high-dose nitrate and nifedipine therapy resolved atypical chest pain and S-T elevation during exercise.

    Area of Science:

    • Cardiology
    • Internal Medicine

    Background:

    • Effort angina and Prinzmetal's variant angina are distinct coronary artery conditions.
    • Atypical presentations can complicate diagnosis and treatment.

    Observation:

    • Three patients presented with co-existing effort angina and Prinzmetal's variant angina.
    • These patients exhibited atypical variant angina symptoms, including chest pain and S-T segment elevation during treadmill exercise testing.
    • Initial diagnosis was delayed due to these unusual manifestations, leading to suboptimal therapy with propranolol and low-dose nitrates.

    Findings:

    • Correct diagnosis of variant angina with atypical manifestations was established.
    • High-dose nitrates and nifedipine therapy led to complete symptom relief.
    • Repeat treadmill testing confirmed the absence of angina attacks under the new therapeutic regimen.

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    Implications:

    • Recognizing atypical presentations of Prinzmetal's variant angina is crucial for timely diagnosis.
    • Aggressive pharmacological management with high-dose nitrates and calcium channel blockers (like nifedipine) is effective for complex cases.
    • This approach can significantly improve patient outcomes and prevent recurrent ischemic events.