Why the study?
Do attacks of angina pectoris produce reversible electrocardiographic changes compared to other types of paroxysmal pain?
Population
20 patients, including 11 with transient anginal attacks and 9 with other paroxysmal pain.
Comparison
Electrocardiographic recording during acute… vs Electrocardiographic recording after subsidence…
Design
Case_series
Authors
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Reversible ST-T changes may aid differentiation of anginal from noncardiac pain; leaves open validation in contemporary cohorts.
Do attacks of angina pectoris produce reversible electrocardiographic changes compared to other types of paroxysmal pain?
This early study provides clinical evidence that transient anginal attacks are associated with reversible ST-T wave changes on electrocardiogram, indicative of myocardial ischemia, which do not occur in non-cardiac paroxysmal pain.
Siegel et al. (1931) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: