Voorde et al, " High-Resolution magnetic Mapping of PR-interval Phenomena of Normal Subjects ", Medical and Biological Engineering and Computing, vol. 26, No. 2, Stevenage GB, pp. 130-135 (Mar. 1988).B. J. ten Voorde, M.J. Peters, G. Stroink, and R.L. van der Wieken, 1988,...
Daytime mean HR gave a mean value of 93 ± 10 (range 71148), while during night hours it was 74 ± 11 (range 5498). The minimum QT interval averaged 261 ± 10 ms for HR> 120 and the maximum 389 ± 9 ms for HR ¤ 60; the corresponding mean value of QTc (i.e., QT corrected...
Short PR intervals of the Lown-Ganong-Levine type are not uncommon in old age. Lengthening of the PR interval in the normal range appears to be related to acquired and disease factors and is not due to a gradual ageing process. 展开 ...
Conclusions: This study shows that PR-interval length, even in the conventionally normal range, is independently associated with endothelial dysfunction and increased arterial stiffness in healthy subjects free of atherosclerotic disease. This suggests the presence of a systemic, intermediate pathologic stage...
Answer to: Fill in the blanks. The normal duration of the PR interval is ___ to ___ second, or ___ to ___...
In normal sinus rhythm, what does the P-wave, the PR interval, QRS complex, and QT interval reflect?ECG:An ECG, or electrocardiogram, is an electrical readout of the heart which measures the electrical output of all heart chambers during cardiac cycles. Th...
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Women with normal thyroid function can compensate for the increased TBG by making more thyroid hormone, thus maintaining free T4 and T3 serum concentrations in the normal range. Women dependent on thyroid hormone replacement therapy who are also receiving estrogens may require increased doses of ...
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although this patient had neither angiokeratoma or proteinuria. The possibility of Fabry's disease should be considered in patients with cardiomegaly of unknown cause and the following electrocardiographic abnormalities: a PR interval less than or equal to 0.12 s, high voltage QRS complexes in the ...