Which ECG findings in the evaluation of acute pericarditis are characteristic of underlying inflammatory disorders?

Updated: Apr 02, 2019
  • Author: Sean Spangler, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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In patients with RA pericarditis, ECGs almost never demonstrate typical findings. In contrast, lupus pericarditis findings on ECG usually demonstrate typical changes of pericarditis.

In uremic patients with pericarditis, ECG commonly does not show the typical ST-T segment changes due to lack of inflammation; in hypothyroidism, low ECG voltage is often observed due to the presence of a large effusion.

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