early repolarization variant (ERV)

ST segment elevation secondary to early repolarization of myocardium. Differential diagnosis: - differentiate from ST segment elevation of pericarditis a) pericarditis: ST/T ratio > 0.25 b) ERV: ST/T ratio < 0.25

References

Harrison's Principles of Internal Medicine, 13th ed. Companion Handbook, Isselbacher et al (eds), McGraw-Hill Inc. NY, 1995, pg 384