Heart block may be transient, intermittent or permanent mild sinoatrial or atrioventricular block, mainly for the treatment of primary disease, including structural heart disease such as coronary heart disease, acute myocardial infarction, cardiomyopathy, there are factors outside the heart digitalis toxicity, increased vagal tone, rheumatic fever, acute infection, electrolyte imbalance, radiofrequency ablation and cardiac angiography, etc., taken to reduce blood pressure, improve myocardial ischemia, anti-inflammatory or anti-rheumatic, nutrition, cardiac treatment, removal of incentives, regular follow-up observation. transient and intermittent heart block, or primary disease subsided after removal, often gradually restore itself to normal conduction.
Moderate or severe sinoatrial or atrioventricular block, in addition to active treatment of the primary disease, but also the need for intravenous injection of atropine, isoproterenol or dexamethasone to increase heart rate, speed sinoatrial or atrioventricular conduction, drug treatment often can improve the cardiac conduction tissue conduction, improve the frequency and severity of attacks, if necessary, temporary or permanent pacemaker placement.
Bundle branch block itself without treatment, and no specific drug treatment, had no significant impact on the outcome, prognostic factors are the severity of the primary disease, but unilateral bundle branch block if the development of bilateral or tri when bundle branch block, sinus ECG excitement can not be propagated to the ventricle, this time by the very low frequency of ventricular pacemaker control heart rate is often very slow, often require placement of a permanent pacemaker.
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