We aimed to explore the predictive value of abnormal electrocardiogram (ECG) changes in non-small-cell lung carcinoma non-small cell lung cancer (NSCLC) patients for near-term mortality. Seventy-eight NSCLC patients hospitalized in Chaohu Hospital Affiliated to Anhui Medical University from October 2017 to August 2021 were selected as the observation group. Baseline medical history and type of ECG abnormalities were the same. Seventy-eight patients were included in the control group. To compare the difference in mortality within 3 months between the observation group and the control group after the occurrence of the same type of electrocardiogram abnormalities, and to explore the value of electrocardiogram abnormalities in the early warning of NSCLC patients recent death. When the average ventricular rate of patients in the observation group was ≥100 beats/minute, ST-segment depression ≥0.05 mm, QRS voltage decrease ≥0.5 mm, new atrial fibrillation and other electrocardiogram changes, all patients died within 3 months. The control group with the same abnormal ECG had no death within 3 months (P < .05). In the resting 12-lead synchronous ECG in NSCLC patients, when the average ventricular rate ≥100 beats/minute, QRS wave voltage significantly decreased ≥0.5 mm, ST segment depression ≥0.05 mm, new atrial fibrillation appeared, it suggested that the patients' cardiac function decreased and the potential for near-term adverse outcomes is high.
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