Dr. Karthik Raghuram

Consultant - Interventional Cardiologist
(Gold Medalist & Top-Ranked NEET PG Cardiologist)

Irregular Heart Beat (Arrhythmia) – Expert Diagnosis & Treatment by Dr. Karthik Raghuram

Overview of Irregular Heart Beat

An irregular heart beat, medically known as arrhythmia, occurs when the heart beats too fast, too slow, or in an uneven rhythm. While some arrhythmias are harmless, others can be serious and may increase the risk of stroke, heart failure, or sudden cardiac arrest. Under the expert care of Dr. Karthik Raghuram, patients receive precise evaluation, advanced diagnostic testing, and personalised treatment to restore a healthy heart rhythm and prevent long-term complications.

Why Irregular Heart Beats Occur

Heartbeats are controlled by electrical signals. When these signals are disrupted due to various causes, the heartbeat becomes irregular. Factors contributing to arrhythmia include:

  • Coronary artery disease

  • High blood pressure

  • Heart valve disorders

  • Diabetes

  • Thyroid problems

  • Electrolyte imbalances

  • Stress or anxiety

  • Excess caffeine, alcohol, or smoking

  • Previous heart attack or heart damage

Identifying the underlying cause is crucial for effective treatment.

Types of Arrhythmias

1. Tachycardia (Heart beats too fast)
2. Bradycardia (Heart beats too slow)
3. Atrial Fibrillation (AFib)

Irregular, rapid heartbeat; increases stroke risk.

4. Atrial Flutter

Similar to AFib but more organized rhythm.

5. Ventricular Tachycardia

Serious arrhythmia that may lead to cardiac arrest.

6. Premature Heartbeats

Extra beats that may feel like skipped or fluttering beats.

Understanding the type helps guide appropriate treatment.

Common Symptoms of Irregular Heart Beat

Symptoms vary depending on the severity and type of arrhythmia. You may experience:

  • Palpitations (fluttering or racing heart)

  • Slow heart rate

  • Chest discomfort

  • Dizziness or light-headedness

  • Shortness of breath

  • Fatigue

  • Fainting spells

Some arrhythmias cause no symptoms and are detected only during evaluation.

How Arrhythmias Are Diagnosed

Dr. Karthik Raghuram uses advanced diagnostic tools to identify abnormal heart rhythms:

1. Clinical Examination

Assessment of symptoms, pulse, and medical history.

2. Diagnostic Tests

  • ECG (Electrocardiogram): First-line test to detect rhythm abnormalities

  • Holter Monitoring (24–48 hours): Records heart rhythm continuously

  • Event Monitors: For arrhythmias that occur occasionally

  • 2D Echocardiogram: Evaluates structural heart issues

  • Blood Tests: Check thyroid, electrolytes, and cardiac markers

  • Treadmill Test (TMT): For exercise-induced arrhythmias

  • Electrophysiology Study (EPS): Detailed mapping of electrical pathways (if needed)

These tests help determine the exact type and severity of arrhythmia.

Treatment Approach for Irregular Heart Beat

Treatment aims to control the heart rhythm, prevent complications, and improve quality of life.

1. Medication Therapy

  • Anti-arrhythmic medications

  • Beta-blockers or calcium channel blockers

  • Blood thinners (especially for AFib) to reduce stroke risk

2. Lifestyle Modifications

  • Reducing caffeine, alcohol, and smoking

  • Managing stress

  • Regular exercise

  • Balanced diet and sleep hygiene

3. Advanced Interventional Treatments

Depending on the arrhythmia:

  • Radiofrequency Ablation: Eliminates abnormal electrical pathways

  • Pacemaker implantation: For slow heart rhythms

  • ICD (Implantable Cardioverter Defibrillator): For life-threatening arrhythmias

  • CRT Devices: For arrhythmias with heart failure

  • Cardioversion: Electrical or medication-based rhythm correction

Dr. Karthik chooses the safest and most effective option tailored to the patient’s condition.

Complications of Untreated Arrhythmia

If not treated properly, arrhythmias may lead to:

  • Stroke

  • Heart failure

  • Dangerous low or high heart rates

  • Sudden cardiac arrest

Early diagnosis and timely treatment can prevent these risks.

When to Seek Immediate Medical Attention

Seek urgent care if you experience:

  • Rapid, pounding, or irregular heartbeat

  • Severe chest pain

  • Sudden dizziness or fainting

  • Shortness of breath

  • Confusion or extreme fatigue

These symptoms may indicate a medical emergency.

Book Your Arrhythmia Evaluation

Irregular heart beats require expert attention. Schedule your consultation with Dr. Karthik Raghuram to receive accurate diagnosis, personalised treatment, and long-term rhythm management for a healthier heart.