What is Atrial Fibrillation and Why is it Dangerous?

Published on :May 22, 2026

Affects millions of people globally, Atrial fibrillation (AFib) has become increasingly prevalent in India as more people suffer from cardiovascular problems due to lifestyle choices. Having an irregular heartbeat can be frightening. However, by learning about the disorder, you can better manage your condition and minimise your risk of serious complications.

AFib Heart Condition Explained

To break down the atrial heart condition in simple terms, the atria (upper chambers of the heart) typically contract in an orderly fashion to produce one pulse. When a person has atrial fibrillation, the contractions of the atria are disorganised and ineffective, which negatively impacts the ability of oxygen to be delivered throughout the body.

Atrial Fibrillation Symptoms Causes

This lack of oxygen will impact the function of other organs and ultimately may lead to death. Atrial fibrillation can affect individuals in different ways. Some have no symptoms, while others may have very quick and possibly dramatic developments of symptoms.

Classic symptoms of atrial fibrillation include

• Palpitations (a feeling of fluttering in the chest),
• Shortness of breath,
• Fatigue,
• Dizziness,
• And weakness.

The difference between heart palpitations vs AFib is also of major importance since most of the time, heart palpitations are periodic and caused by an accumulation of stress or caffeine. However, episodes of AFIB are continuous and more persistent; they may also be associated with additional symptoms.

There are two types of AFIB and you must understand the difference between paroxysmal vs persistent AFib for better clarity. Paroxysmal AFIB is an episode that comes and goes without the assistance of medical professionals and usually lasts for a short time (minutes to hours). Persistent atrial fibrillation is a condition that continues for longer than a week and requires assistance from experts.

AFib can occur due to many underlying factors, such as

• Hypertension,
• Valvular heart disease,
• Hyperthyroidism,
• Excessive alcohol consumption,
• Obesity,
• And obstructive sleep apnea.

Age is also a factor; people older than 60 years of age will develop AFib very quickly compared to those under 60.

Why AFib is Dangerous: The Hidden Risks

The primary danger of this arrhythmia is its effect on blood flow through the heart. The quivering motions of the heart’s atria can cause blood to pool within the atria. Blood that pools can lead to clotting. If that clot(s) dislodge from the atrium and travel to the brain, it can cause a stroke. There is a direct correlation between AFib and stroke. People with AFib are at five times greater risk of having a stroke than people without AFib.

Anticoagulants for the treatment of AFib provide life-saving treatment options to decrease the incidence of blood clots and the risk of developing a stroke. Anticoagulant agents also reduce the risk of stroke for AFib patients by providing significant reductions in the formation of clot(s).

Treatment and Management

Irregular heartbeat treatment options range from lifestyle changes and medicines to procedures. Doctors may prescribe drugs to control the heart rate or restore the normal rhythm. Cardioversion procedure for AFib is one effective method where a controlled electric shock is given under sedation to reset the heart rhythm.

It is safe and often done as a day-care procedure. Anticoagulants for atrial fibrillation are usually recommended based on the individual stroke risk score. Early attention to atrial fibrillation symptoms causes and following irregular heartbeat treatment options can protect your heart and future. Listen to your body and consult a doctor at Dhee Hospital for personalised guidance.

FAQs

Q: What are the main causes of atrial fibrillation symptoms?

Common symptoms include heart palpitations, fatigue, and feeling dizzy. There are numerous causes for them, which can include high blood pressure, thyroid dysfunction, and various lifestyle factors.

Q: What is the difference between heart palpitations & atrial fibrillation?

Heart palpitations are typically short-lived, benign sensations, whereas atrial fibrillation includes prolonged episodes of irregular heartbeat and may be accompanied by additional symptoms.

Q: How is the risk of stroke connected to atrial fibrillation?

Atrial fibrillation can increase your risk of stroke up to five times due to the formation of blood clots within the heart.

Q: When would you elect to perform a cardioversion for atrial fibrillation?

A cardioversion can be performed to reset the heart rhythm when a patient has persistent atrial fibrillation and medications alone are ineffective.

Q: Are anticoagulants needed for patients with atrial fibrillation?

Use of anticoagulants for patients diagnosed with AFIB should be based on evaluation of their stroke risk; always consult a physician.

Q: How do paroxysmal AF and persistent AF differ from each other?

Paroxysmal atrial fibrillation is characterised by intermittent, self-resolving episodes, while persistent atrial fibrillation lasts longer and often requires medical intervention.

Q: What treatment options exist for patients suffering from irregular heartbeat?

Treatments include lifestyle modification, medications, cardioversion, and ablation procedures.

Q: Can people with atrial fibrillation live normally?

Yes, with proper treatment and monitoring, most people can live normal, active lives while managing atrial fibrillation risks.