About-Cardio
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We provide our users the most up-to-date and accurate information on the treatment and prevention of cardio pathologies in accordance with current American and European clinical guidelines.
The information provided on this website is for educational purposes only and should not be considered medical advice. Always consult a licensed physician for diagnosis and treatment.
2nd Degree Heart Block Treatment
Introduction
Second-degree heart block is a condition where the electrical signals that control your heartbeat are partially blocked or delayed. It is classified into two types: Mobitz Type I (Wenckebach) and Mobitz Type II.
Types and Treatment
Mobitz Type I (Wenckebach)
- This type usually does not require treatment unless it causes significant symptoms such as dizziness, fainting, or severe bradycardia (slow heart rate).
- If symptomatic, treatment may include:
- Correcting underlying issues (e.g., stopping certain medications like beta-blockers, calcium channel blockers)
- Pacemaker placement in severe cases with persistent symptoms
- In emergency settings, atropine or temporary pacing may be used.
Mobitz Type II
- This is more serious as it can suddenly progress to complete heart block.
- Treatment options:
- Permanent pacemaker implantation is usually required, as this type does not improve with medications.
- Temporary pacing may be needed in emergency cases before a permanent pacemaker is implanted.
- Addressing underlying conditions, such as electrolyte imbalances or ischemic heart disease.
When to Seek Medical Help?
- If you experience fainting (syncope), dizziness, chest pain, or significant fatigue.
- If you have a history of heart disease and develop a slow or irregular heartbeat.
Conclusion
Second-degree heart block needs to be evaluated carefully. While Mobitz I can sometimes be managed conservatively, Mobitz II almost always requires a pacemaker to prevent progression to life-threatening heart block.
Source recommendations
1. American Heart Association (AHA) Guidelines on Bradycardia and Conduction Delay
- https://www.ahajournals.org/doi/10.1161/CIR.0000000000000628
- https://pubmed.ncbi.nlm.nih.gov/30412710/
- https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia/conduction-disorders
- https://pubmed.ncbi.nlm.nih.gov/30586772/
- https://www.jacc.org/guidelines/bradycardia
2. European Society of Cardiology (ESC) Guidelines on Cardiac Pacing and Resynchronization Therapy
- https://www.escardio.org/Guidelines/Clinical-Practice-Guidelines/Cardiac-Pacing-and-Cardiac-Resynchronization-Therapy
- https://academic.oup.com/eurheartj/article/42/35/3427/6358547
- https://pubmed.ncbi.nlm.nih.gov/34455430/
- https://academic.oup.com/eurheartj/article/34/29/2281/401445
- https://pubmed.ncbi.nlm.nih.gov/23801827/
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If you or your loved ones experience any of these symptoms, you should consult a doctor in time. Remember that self-medication can be dangerous, and timely diagnosis will preserve the quality and life expectancy.
The heart is an organ that does not know how to "keep silent" if something goes wrong. Chest pain, shortness of breath, swelling, dizziness, and rhythm disturbances are the symptoms that require our attention. The best prevention of heart disease is careful attention to your health, regular checkups with a doctor, and a healthy lifestyle. Take care of your heart, and it will serve you for many years!
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Best practices from USA, EU and Japan
Our answers to your questions are based on the clinical recommendations of countries with the most developed healthcare systems in the field of cardiology in the USA, the EU and Japan.
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We monitor all innovations and changes in the field of cardiac disease treatment on a daily basis.
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Every 3-5 years, half of the scientific approaches to treatment in the field of cardiology are reviewed as a result of specialized scientific discoveries. With us, you don't have to wait these years to learn about the best ways to treat you and your loved ones.