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KMID : 0378019630060080077
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New Medical Journal
1963 Volume.6 No. 8 p.77 ~ p.82
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Electrocardiograms in Rheumatic Fever
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Abstract
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The clinical significanc3 of prolonged P-R interval, Q-Tc and the correlation between Q-Tc and E.S.R. in Rheumatic children wore discussed. ;Total 61 electrocardiograms of 34 Rheumatic children were analysed for this study (Table 1).
1. The change of P-R interval:
The change of P-R interval had soma tendecy to app3ar in the early stage of Rheumatic fever and it only p,-rsist3i for a faw ws~ks. The prolonge3 P-R interval was found in 20 cases (35%), and in the mist of th.-m the range of prolonged interval was 0.010.02 sec. over the normal upper limit except Case I and 2.
When the prolonged P-R interval was exceed-.d ovar 0.02 sac. compare to normal upper limit and the other electrocardiographic changes were associated with it, ;the prolonged P-R interval would be a very suggestive evidenca of myocarditis in Rheumatic child. On the other hand, if no other electrocardiographic change was accompanied with the 0.013.02 sec.of P-R interval prolongation, it should be evaluated carefully whether this P-R interval change will indicate the presence of myocarditis or not.
2. The change of Q-Tc:
The prolonged Q-Tc was found in 26% of cases, these were appeared relatively earliar than the P-R interval change and p3rsisted longer than it, This study suggested, this is also not the absolute indicator of presence of myocarditis in Rheumatic child, but it would be only a suggestive pattern of possible myocardial changes.
3. The correlation between Q-Tc and E.S.R.:
The correlation between the Q-Tc and E.S.R. (Wintrobe) which is one of indicators of Rheumatic acitivity, was observed in 26 cases of Acute Rheumatic children. But we could not find any correlation between them.
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