Article ; Online: Diagnostic and prognostic role of electrocardiogram in acute myocarditis: A comprehensive review.
2019 Volume 25, Issue 3
Abstract: Background: Acute myocarditis represents a challenging diagnosis as there is no pathognomonic clinical presentation. In patients with myocarditis, electrocardiogram (ECG) can display a variety of non-specific abnormalities. Nevertheless, ECG is widely ... ...
Abstract | Background: Acute myocarditis represents a challenging diagnosis as there is no pathognomonic clinical presentation. In patients with myocarditis, electrocardiogram (ECG) can display a variety of non-specific abnormalities. Nevertheless, ECG is widely used as an initial screening tool for myocarditis. Methods: We researched all possible ECG alterations during acute myocarditis evaluating prevalence, physiopathology, correlation with clinical presentation patterns, role in differential diagnosis, and prognostic yield. Results: The most common ECG abnormality in myocarditis is sinus tachycardia associated with nonspecific ST/T-wave changes. The presence of PR segment depression both in precordial and limb leads, a PR segment depression in leads with ST segment elevation, a PR segment elevation in aVR lead or a ST elevation with pericarditis pattern favor generally diagnosis of perimyocarditis rather than myocardial infarction. In patients with acute myocarditis, features associated with a poorer prognosis are: pathological Q wave, wide QRS complex, QRS/T angle ≥ 100°, prolonged QT interval, high-degree atrioventricular block and malignant ventricular tachyarrhythmia. On the contrary, ST elevation with a typical early repolarization pattern is associated with a better prognosis. Conclusions: ECG alterations in acute myocarditis could be very useful in clinical practice for a patient-tailored approach in order to decide appropriate therapy, length of hospitalization, and frequency of followup. |
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MeSH term(s) | Acute Disease ; Electrocardiography/methods ; Humans ; Myocarditis/diagnosis ; Myocarditis/physiopathology ; Prognosis |
Language | English |
Publishing date | 2019-11-28 |
Publishing country | United States |
Document type | Journal Article ; Review |
ZDB-ID | 1325530-7 |
ISSN | 1542-474X ; 1082-720X |
ISSN (online) | 1542-474X |
ISSN | 1082-720X |
DOI | 10.1111/anec.12726 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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