Electrocardiographic abnormality was associated with the degree of clinical condition and prognosis.
心电图异常与病情轻重及预后密切相关。
There were 14 patients who were with left ventricular hypertrophy and electrocardiographic abnormality (50%);
左心室肥大合并心电图异常改变14例（5 0 % ） ；
To study the subjective fatigue and its influence on electrocardiographic abnormality among highway maintainers.
了解养路工的主观疲劳状况，并探讨其与心电图异常的关系。
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