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What is Atrial Fibrillation?
What is Atrial Fibrillation?
Atrial Fibrillation (AFib) is a common heart rhythm disorder where the upper chambers of the heart (atria) beat irregularly and often rapidly. This can disrupt normal blood flow and increase the risk of complications like stroke.
Atrial Fibrillation (AFib) is a common heart rhythm disorder where the upper chambers of the heart (atria) beat irregularly and often rapidly. This can disrupt normal blood flow and increase the risk of complications like stroke.
How the Heart Normally Works
How the Heart Normally Works
In a healthy heart, electrical signals control a steady rhythm. In AFib, these signals become chaotic, causing the heart to beat unevenly.
Symptoms of Atrial Fibrillation
Symptoms of Atrial Fibrillation
Some people may not notice symptoms, but common signs include:
Irregular or rapid heartbeat (palpitations)
Shortness of breath
Fatigue or weakness
Dizziness or lightheadedness
Chest discomfort
Causes & Risk Factors
Causes & Risk Factors
AFib can be caused or triggered by:
High blood pressure
Heart disease
Thyroid disorders
Excess alcohol or caffeine
Stress
Aging
Obesity
Sleep apnea
Why is AFib Serious?
Why is AFib Serious?
AFib can lead to complications such as:
Stroke (due to blood clots)
Heart failure
Reduced quality of life
Diagnosis
Diagnosis
Doctors may use the following to diagnose AFib:
Electrocardiogram (ECG)
Holter monitor (portable ECG)
Blood tests
Echocardiogram
Treatment Options
Treatment Options
Treatment focuses on controlling the heart rhythm and preventing complications:
Medications
Medications
Blood thinners (to reduce stroke risk)
Rate control medications
Rhythm control medications
Procedures
Procedures
Cardioversion (restoring normal rhythm)
Catheter ablation
Pacemaker implantation (in some cases)
Lifestyle Changes
Lifestyle Changes
Managing AFib often includes:
Eating a heart-healthy diet
Regular exercise
Limiting alcohol and caffeine
Managing stress
Controlling blood pressure and weight
When to Seek Medical Help
When to Seek Medical Help
Get medical attention if you experience:
Sudden chest pain
Severe shortness of breath
Fainting
Symptoms of stroke (e.g., weakness on one side, difficulty speaking)
Prevention Tips
Prevention Tips
While not all cases can be prevented, you can reduce risk by:
Maintaining a healthy lifestyle
Managing chronic conditions
Avoiding smoking and excessive alcohol
Living with Atrial Fibrillation
Living with Atrial Fibrillation
With proper treatment and lifestyle adjustments, many people live full and active lives with AFib. Regular follow-ups and adherence to treatment are key.
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