The Frequency of Rhythm and Conduction Abnormalities and Benefits of 24-Hour Holter Electrocardiogram on Detecting These Abnormalities In Patients With Acute Rheumatic Fever

During the acute phase of acute rheumatic fever (ARF), cardiac arrhythmias and conduction disorders may occur. Standard electrocardiogram (ECG) may be insufficient in the cases of possible paroxysmal rhythm or conduction abnormalities. The aim of this study is to evaluate arrhythmias and conduction disorders and benefits of 24-hour Holter ECG on detecting these disorders in children with ARF. Two hundred and ten patients who were diagnosed with ARF during a four-year period, were retrospectively analyzed. Demographic characteristics, clinical, laboratory, and echocardiographic findings of the patients were evaluated. Standard ECG and 24-hour Holter analysis were examined. First (47.8%), second (6.9%) and third degree (4.3%) atrioventricular (AV) blocks, bundle branch blocks (9.8%), intermittent pre-excitation (1.1%), accelerated nodal rhythm (15.2%), supraventricular (10.9%) and ventricular premature contractions (8.7%), as well as supraventricular (3.3%) and ventricular tachycardia (1.1%) were detected with 24 -hour Holter ECG. Frequency of both rhythm and conduction abnormalities were detected higher with Holter ECG than 12-lead ECG, and this was statistically significant (p

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