If the ECG abnormality is caused by physiological and pharmacological factors, general anesthesia is usually possible after removing the influencing factors. However, if it is caused by myocardial infarction and other heart diseases, general anesthesia is usually not possible. 1. usually in daily life under the influence of excessive mental stress, alcohol, tea, strenuous exercise and other physiological factors, there may be sinus tachycardia and other electrocardiogram abnormalities, appropriate rest or removal of factors affecting the electrocardiogram can return to normal, can be general anesthesia. 2. Secondly, after the application of calcium channel blockers, digitalis, epinephrine and other drugs, may also cause sinus tachycardia, bradycardia and other electrocardiogram abnormalities; usually after removing the various influencing factors and stopping the drug, the electrocardiogram can be returned to normal, so you can carry out general anesthesia. 3. However, if the ECG abnormality is caused by acute myocardial infarction, cardiomyopathy, coronary artery disease and other heart diseases, general anesthesia is usually not possible. This is because anesthesia drugs may cause the heartbeat to slow down, which can lead to cardiac arrest. When the ECG is abnormal, it is recommended to consult the doctor in time and decide whether general anesthesia can be performed after the doctor makes a comprehensive assessment in conjunction with the condition.