Pharyngitis electrocardiogram

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Venkata Sivakrishna Kumar Pulivarthi M.B.B.S [2]


There are no specific EKG findings associated with pharyngitis, but the complications of pharyngitis may be associate with cardiac rhythm abnormalities.

Electrocardiogram Findings

Electrocardiogram Findings Associate with Rheumatic Heart Disease

ECG changes depend on the structures involved and the extent of cardiac damage. The following ECG changes may be noted in patients with rheumatic fever:[1]

P mitrale - Left atrial enlargement[2]

  • T-wave inversions which may be noted in leads I, II, and IV suggestive of pericardial involvement

Electrocardiogram Findings Associate With Diphtheria

ECG in patients with diphtheria can be normal. However, in patients with diphtheria myocarditis, a wide range of abnormalities related to conduction and rhythm may be seen. Some of the ECG findings in diphtheria myocarditis include:[3][4][5]


  1. SOKOLOW M (1947). "The electrocardiogram in the diagnosis and management of rheumatic fever". Calif Med. 66 (4): 221–6. PMID 20294585.
  2. Image courtesy of ECGPedia (2015). Accessed on October 19, 2015.
  3. BOYER NH, WEINSTEIN L (1948). "Diphtheritic myocarditis". N. Engl. J. Med. 239 (24): 913–9. doi:10.1056/NEJM194812092392403. PMID 18103551.
  4. Lumio JT, Groundstroem KW, Melnick OB, Huhtala H, Rakhmanova AG (2004). "Electrocardiographic abnormalities in patients with diphtheria: a prospective study". Am. J. Med. 116 (2): 78–83. PMID 14715320.
  5. MORGAN BC (1963). "CARDIAC COMPLICATIONS OF DIPHTHERIA". Pediatrics. 32: 549–57. PMID 14069096.