Complete left bundle branch block is a manifestation of electrocardiogram, itself no special symptoms, the degree of harm depends on whether there is a primary organic disease and its severity.
1. (1) In the case of simple complete left bundle branch block, if the patient himself has no obvious symptoms and other relevant laboratory tests are not obviously abnormal, it usually does not cause serious harm to the body, and only requires regular follow-up review;
(2) However, if complete left bundle branch block is combined with organic diseases such as heart failure, cardiomyopathy, coronary artery disease, rheumatic heart disease, etc., severe symptoms such as chest tightness, chest pain, shortness of breath, dyspnea, etc., will gradually appear due to the development of their primary diseases, and even become life-threatening in serious cases.
2. (1) Patients with complete left bundle branch block should pay attention to their daily lifestyle, quit smoking and drinking, pay attention to rest, keep a happy mood, avoid emotional excitement, and avoid overeating;
(2) Once chest tightness and chest pain, shortness of breath, dyspnea and other symptoms occur, it is necessary to go to the hospital in time to improve the electrocardiogram, myocardial enzyme spectrum, troponin, cardiac ultrasound and other series of tests to determine the cause of the disease and the severity of the disease, and standardize the treatment, so as to prevent the occurrence of serious consequences.