Diphtheria electrocardiogram
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dima Nimri, M.D. [2]
Overview
An 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 observed.
Electrocardiogram
An 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 observed. Common ECG findings in cases of diphtheria myocarditis include:[1][2][3]
- Prolonged PR or QT intervals
- Alterations in the ST segment, either elevation or depression
- Alterations in the T wave
- Atrioventricular block (AV block)
- Bundle branch block (BBB)
- Hemiblock
- Sinus bradycardia
- Arrythmias, such as supraventricular tachycardia (SVT) and ventricular tachycardia (VT)
References
- ↑ BOYER NH, WEINSTEIN L (1948). "Diphtheritic myocarditis". N. Engl. J. Med. 239 (24): 913–9. doi:10.1056/NEJM194812092392403. PMID 18103551.
- ↑ 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.
- ↑ MORGAN BC (1963). "CARDIAC COMPLICATIONS OF DIPHTHERIA". Pediatrics. 32: 549–57. PMID 14069096.