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Published on: Nov 08, 2021
3 minute read
By: Second Medic Expert

What Is The Main Cause & Cure Of Atrial Fibrillation?

What is the main cause & cure of atrial fibrillation?

The main cause of cardiac arrhythmias such as atrial fibrillation is a form of scar tissue (also called "electrical noise"), and the cure for it is to make sure you take care of your heart health.

The Parson-Keller Syndrome can also be a possible cause for this phenomenon, which often results from anesthesia abuse caused by intravenous anesthetics. It's important to note that because all people seem to react differently and there may be other factors not found yet that contribute to the development of AF, everyone should re-check their heartbeat regularly so as not to leave any room for misunderstanding.

Atrial fibrillation is most commonly caused by an underlying, undiagnosed heart disorder. For this reason, the American Heart Association recommends that all people with atrial fibrillation be extensively examined for any other heart problems.

The most common cause of atrial fibrillation in older people is high blood pressure (hypertension). Symptoms of hypertensive heart disease include shortness of breath when lying down, chest pain when exercising or during sexual intercourse, and pallor (a pale appearance due to poor circulation) while standing up. Furthermore, if someone has diabetes alongside hypertension their risk for heart attack also rises.(source) Specific treatments depend on the individual's symptoms and their age group.

Atrial fibrillation is a disturbance of heart rhythm caused by an irregular and often abnormally fast heart rate. For many reasons, it is quite difficult to foresee the onset of atrial fibrillation. However, it is typically treated with medication or a surgical procedure called ablation.

A study has revealed that in patients with abnormal erythrocytes (red blood cells), the incidence of cardiac arrhythmias was five times higher than when erythrocyte indices were normal.

The primary cause of atrial fibrillation is a heart condition called atrial flutter, if the heart contains too many abnormal electrical circuits that create an irregular pattern then AF can occur. The cure for this is to perform an ablation, which surgically destroys the abnormal cells, and nerves.

The main treatment for atrial fibrillation is rhythm control therapy with antiarrhythmic drugs or direct current shocks delivered to the chest wall (called cardioversion) to stimulate a normal heartbeat. Other treatments include blood thinners and catheter-based procedures such as radiofrequency circular ablation and open surgery -- these may be needed in cases where patients have a severe recurrence.

The main cause of atrial fibrillation is high potassium levels due to GI dysfunction. The cure for it is fixing the underlying malfunction that has caused hyperkalemia. It can be solved by lowering salt intake, stopping use of ACE inhibitors or beta-blockers, inducing vomiting if necessary, restoring oral hydration which will also help with dysuria, constipation or change in bowel movements, and correcting low magnesium/calcium ratios. Less known causes are heartworm in dogs and infarct in the left ventricle due to thrombus rupture.

The main cause of atrial fibrillation is not known for sure. It is believed to be the result of repetitive episodes of increased heart rate, which can happen because blood clots are blocking the flow of blood into one or both ventricles.

The only cure for atrial fibrillation that has been shown to work consistently in randomized trials is warfarin (coumadin) and this drug doesn't actually "fix" the problem it just makes you bleed more than normal so your clot risk goes down.

There are many potential causes for atrial fibrillation, but the largest category is rheumatic heart disease. The main treatment for this condition is beta-blockers to control the heart rate and decrease symptoms, while surgery may be necessary in some cases.

The causes of atrial fibrillation are not known. Though there have been a number of suspected causes proposed, none have been proved by studies. Recent research has provided new information on the role of genetic factors, which may predispose people to abnormal electrical activity in the heart's atria and a propensity for abnormal electrical activation in early life.

Researchers speculate that this abnormality, called embryonic or fetal arrhythmia, may be triggered later in life by trauma or hypertension during pregnancy - but this remains unproven. What is clear is that it does worsen over time and needs medical attention if left untreated.#

Atrial Fibrillation can also result from several other causes, including hypertension, heart surgery, kidney disease, cardiomyopathy (a condition where the heart muscle does not contract in a coordinated manner), congestive heart failure or valvular heart disease.

The main cause and cure for atrial fibrillation is to maintain a healthy weight and reduce risk factors such as smoking and avoiding over-exercising. Some medications such as beta-blockers can help with symptoms in some cases. Lastly, it's important to keep in mind that there are several drug interactions that may worsen symptoms of this condition even though you're taking medication

The main cause is a sudden erratic change in the heart's electrical system. What starts off as tiny "sparks" caused by natural emotions or physical exertion can eventually lead to atrial fibrillation. The symptoms are typically beating of the heart that seems fast and irregular, while symptoms include dizziness, very low blood pressure, lightheadedness/passing out, etc. Undiagnosed atrial fibrillation has been also found to be one of the major triggers for stroke because it increases clot formation over time causing them to block off small arteries in our brain that feed oxygen into various parts of our body including the brain.

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Fever for 3 Days ? Should You Visit a Doctor or Wait

A fever lasting three days raises valid concern for patients and caregivers alike. While many febrile episodes resolve independently, a persistent fever lasting 72 hours warrants careful evaluation. Understanding when to seek medical attention and when watchful waiting is appropriate can prevent unnecessary complications and guide timely clinical intervention.

Should You Visit a Doctor If Fever Lasts for 3 Days?

A fever persisting for three consecutive days in adults generally requires medical evaluation, particularly when body temperature exceeds 103°F (39.4°C) or when additional symptoms such as breathlessness, severe headache, or rash are present. In children under five years, medical consultation is recommended after 48 to 72 hours of unresolved fever regardless of severity. Physicians advise against self-managing a three-day fever without professional assessment in high-risk populations.

Clinically, a three-day fever threshold is significant because most viral infections producing fever resolve within 48 to 72 hours. Fever persisting beyond this window may indicate a bacterial infection, an underlying inflammatory condition, or a secondary complication requiring targeted diagnostic workup. In the Indian clinical context, endemic infections such as dengue, typhoid, and malaria must be considered as potential etiologies when fever extends beyond 72 hours.

Common Causes of Persistent Fever in Adults and Children

Persistent fever lasting three or more days may originate from a range of infectious and non-infectious etiologies. Identifying the underlying cause is essential for selecting appropriate treatment.

Infectious Causes:

Viral infections: Influenza, dengue fever, chikungunya, COVID-19
Bacterial infections: Typhoid fever (enteric fever), urinary tract infections, pneumonia, tuberculosis
Parasitic infections: Malaria (particularly relevant in tropical regions of India)

Non-Infectious Causes:

Autoimmune or inflammatory conditions
Drug-induced fever (fever as an adverse drug reaction)
Post-vaccination fever (typically resolves within 48 hours)

Condition	Typical Fever Duration	Key Associated Symptoms
Viral fever	3 to 5 days	Body ache, fatigue, runny nose
Dengue fever	5 to 7 days	Severe joint pain, rash, low platelet count
Typhoid fever	7 to 14 days	Abdominal pain, diarrhea or constipation, rose spots
Malaria	Cyclical pattern	Chills, sweating, rigors
Urinary tract infection	Variable	Burning urination, flank pain

What to Do When Fever Does Not Go Down After 3 Days

When fever does not subside after 72 hours, the immediate recommended course of action is to consult a general physician or internist for clinical assessment. Antipyretic medications such as paracetamol (acetaminophen) can manage symptom discomfort but do not treat the underlying cause. Blood investigations including a complete blood count (CBC), malarial antigen test, and dengue NS1 antigen test are standard first-line diagnostics in India.

Beyond seeking medical consultation, patients should maintain adequate hydration, rest, and nutritional intake. Oral rehydration is particularly important in a tropical climate where fever accelerates fluid loss. Specialists caution against self-prescribing antibiotics without laboratory confirmation, as indiscriminate antibiotic use contributes to antimicrobial resistance, a significant public health concern in India. Clinical data supports early laboratory testing as the most effective step when fever persists beyond three days.

Warning Signs That Require Immediate Medical Attention

Certain symptoms accompanying a three-day fever indicate medical emergencies requiring immediate hospital evaluation rather than home management.

Patients or caregivers should seek emergency care if any of the following are present:

Fever above 104°F (40°C) that does not respond to antipyretics
Severe headache with neck stiffness (possible meningitis)
Difficulty breathing or chest pain
Skin rash appearing alongside fever (possible dengue or viral exanthem)
Altered consciousness, confusion, or seizures
Persistent vomiting preventing oral hydration
Fever in infants below three months of age
Fever in immunocompromised patients (those on chemotherapy, steroids, or with HIV)
Signs of dehydration: sunken eyes, dry mouth, reduced urine output

In children, febrile seizures can occur at temperatures above 102°F (38.9°C). While often self-limiting, any seizure associated with fever requires urgent pediatric evaluation.

Can a 3-Day Fever Resolve Without Medical Treatment?

In otherwise healthy adults, a mild to moderate fever (below 102°F) lasting three days caused by a self-limiting viral infection can resolve without specific medical treatment. The immune system typically clears common viral pathogens within three to five days. Supportive care including rest, hydration, and antipyretics is sufficient in low-risk cases.

However, resolution without medical treatment is not advisable for children under five, adults above 65, pregnant women, or individuals with chronic conditions such as diabetes or heart disease. Clinical evidence consistently indicates that delayed diagnosis in these populations increases the risk of serious complications. In regions with high prevalence of vector-borne diseases such as dengue and malaria, assuming a self-limiting viral cause without testing carries significant risk. Medical consultation remains the safest and most clinically sound approach when fever persists beyond three days.

Medical Disclaimer

This content is intended for educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Readers experiencing persistent fever or related symptoms should consult a qualified healthcare professional for evaluation and management.

If you are facing similar health concerns, consult expert doctors online through the SecondMedic app or visit your nearest SecondMedic Health Hub for in-person care

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