What Is AV Synchrony?
AV synchrony refers to the normal coordination between the contraction of the atria and the ventricles during each heartbeat. In a healthy heart, the atria contract first, allowing the ventricles to fill with blood before they contract. This coordinated timing helps the heart pump blood efficiently throughout the body.
Maintaining AV synchrony is especially important for individuals with pacemakers or certain heart rhythm disorders.
Why AV Synchrony Matters
Loss of AV synchrony can reduce the heart’s pumping efficiency and may lead to symptoms such as fatigue, dizziness, shortness of breath, or decreased exercise tolerance.
Conditions Associated with Loss of AV Synchrony
- Atrioventricular (AV) block
- Certain pacemaker-related issues
- Atrial fibrillation
- Heart failure
- Other cardiac conduction disorders
Common Symptoms
- Fatigue
- Dizziness
- Shortness of breath
- Exercise intolerance
- Heart palpitations
- Low blood pressure
How Is AV Synchrony Evaluated?
Healthcare providers evaluate AV synchrony using an electrocardiogram (ECG), echocardiogram, pacemaker interrogation, Holter monitoring, and other cardiac assessments.
How Is Loss of AV Synchrony Treated?
Treatment depends on the underlying cause and may include pacemaker programming adjustments, medications, treatment of arrhythmias, or management of heart disease.
How Home Care Can Help
Home care professionals monitor symptoms, encourage medication adherence, support individuals with pacemaker care, reinforce healthy lifestyle habits, and report changes in condition to the healthcare team.
Home Care Tip
If you have a pacemaker, attend regular follow-up appointments so your healthcare provider can confirm that your device is maintaining proper AV synchrony.
Frequently Asked Questions About AV Synchrony
What does AV synchrony mean?
AV synchrony means the atria and ventricles contract in the proper sequence, allowing the heart to pump blood efficiently.
Can AV synchrony be restored?
Yes. Depending on the cause, medications, pacemaker adjustments, or other treatments may restore or improve AV synchrony.
Can home care help someone with AV synchrony problems?
Yes. Home care professionals support medication management, monitor symptoms, assist with recovery, and reinforce ongoing cardiac care.
When to Seek Medical Care
Contact your healthcare provider if you develop worsening fatigue, dizziness, palpitations, shortness of breath, or other new symptoms related to your heart rhythm.