What is an important electrocardiogram (ECG) finding in acute pericarditis?

Updated: Apr 02, 2019
  • Author: Sean Spangler, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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An important ECG finding is PR-segment depression, which has been reported in as many as 80% of viral pericarditis cases.

Hooper et al described the clinical characteristics, assessment, and treatment of patients diagnosed with acute pericarditis in an emergency department (ED) by conducting a medical record review of patients with an ED diagnosis of pericarditis over a 5-year period. ST segment elevation was present in 69.3% of patients, and PR segment depression was present in 49.2% of patients. [41]

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