What is the treatment for symptomatic bradycardia?

The treatment for symptomatic bradycardia often involves the administration of atropine, which is an anticholinergic medication. Atropine works by blocking the effects of the vagus nerve on the heart, leading to an increase in heart rate. In cases of symptomatic bradycardia, where symptoms may include dizziness, fatigue, or syncope due to inadequate blood flow, it is crucial to restore a normal heart rate swiftly. Atropine is typically the first-line treatment in emergency situations for this purpose, especially when the bradycardia is caused by increased vagal tone or certain types of heart block.

Other treatments may be appropriate depending on the specific clinical scenario, but they are not considered first-line for symptomatic bradycardia. For example, amiodarone is mainly used for various tachyarrhythmias, while beta-blockers can actually worsen bradycardia. Defibrillation is reserved for life-threatening arrhythmias such as ventricular fibrillation or pulseless ventricular tachycardia, making it inappropriate for bradycardia treatment.