What medicine should you take for third degree conduction block?
Third-degree block (also called complete atrioventricular block) is a serious arrhythmia that requires prompt medical treatment. This article combines the hot medical topics on the Internet in the past 10 days to sort out relevant drugs and treatment plans for reference.
1. Overview of third degree conduction block
Third-degree block refers to the complete failure of atrial impulses to conduct to the ventricles, which are controlled by secondary pacemakers, which may lead to syncope, heart failure, or even sudden death. The main treatment is to install a pacemaker, and drugs are only used as temporary measures or auxiliary treatment.
| Type | Features | risk level |
|---|---|---|
| congenital | More common in children, heart rate 40-60 beats/min | medium to high risk |
| Acquisition | Mostly caused by myocarditis, drugs, etc. | high risk |
2. List of commonly used drugs
The following are commonly used clinical temporary treatment drugs (use strictly in accordance with doctor's instructions):
| Drug name | Mechanism of action | Usage and dosage | Things to note |
|---|---|---|---|
| Atropine | block vagus nerve action | 0.5-1mg intravenous injection | Not suitable for patients with glaucoma |
| isoproterenol | beta agonist | 1-4μg/min intravenous infusion | Monitor heart rate and blood pressure |
| Glucocorticoids | Anti-inflammatory improves conduction | Prednisone 30-60mg/day | Limited to those caused by myocarditis |
3. The latest treatment progress in 2023
According to recent medical journal reports:
| treatment plan | Applicable scenarios | efficient |
|---|---|---|
| temporary pacemaker | emergency transition | 100% |
| permanent pacemaker | long term treatment | 98.7% |
4. Daily precautions for patients
1. Strictly follow the doctor’s instructions and do not adjust the dosage by yourself
2. Avoid using drugs that may aggravate blockade (such as beta-blockers)
3. Regularly review electrocardiogram (recommended every 3-6 months)
4. Carry a medical alert card with you
5. Recommendations from authoritative organizations
According to the latest guidelines from the American Heart Association (AHA):
- Symptomatic third-degree block requires a pacemaker
- Asymptomatic but ventricular rate <40 beats/min requires preventive installation
- The drug is only used as a bridge treatment while waiting for a pacemaker
Summary:Drug therapy for third-degree conduction block has limitations, and patients should promptly see a cardiovascular specialist to evaluate the indications for pacemaker implantation. The drugs listed in this article must be used under the supervision of a doctor and cannot be used as a basis for self-treatment.
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