November 22, 2025

Caffeine and Heart Rate: Exploring the Intricate Link

For many of us, a morning coffee or tea is an essential part of our daily routine. Caffeine gives that much-needed boost to start the day — but it also has a noticeable impact on your heart. Frequently experiencing irregular heartbeats or persistent palpitations that seem to be connected to your caffeine intake? Looking for […]

October 14, 2025

by Dr. Karthigesan

Can Smartwatches Detect Heart Problems? Discover the Truth

Modern smartwatches have evolved into compact health companions, offering real-time insights into: Heart rate Stress levels Sleep patterns Blood oxygen saturation With growing awareness of heart health and easier access to advanced care, wearables have become valuable tools for proactive monitoring. However, professional evaluation remains vital. For expert heart rhythm management in Chennai, Dr. Karthigesan […]

June 26, 2025

by Dr. Karthigesan

Exploring How LAA Closure Reduces Stroke Risk in AFib Patients

Atrial Fibrillation (AFib) is the most common type of irregular heartbeat, increasing stroke risk significantly without proper management. Among AFib patients, the majority of blood clots originate in the Left Atrial Appendage (LAA). This is where an LAA closure to reduce the risk of stroke in AFib makes its critical intervention. LAA closure prevents blood […]

January 12, 2025

by Dr. Karthigesan

Heart Conditions That Cause Dizziness: What You Need to Know

Can heart problems cause dizziness? This is a question that deserves a serious answer, and, more than anywhere else in the world, in India itself, where factors of lifestyle, along with possibly genetic factors as well, leave the risk scale for heart diseases precariously balanced. Dizziness can be more than just an annoyance; it could […]

June 14, 2024

by Dr. Karthigesan

Arrhythmias & Cardiac Arrest: Understanding the Highly Risky Connection

Have you experienced those heart-stopping moments of panic or the warm fluttering sensation in your chest? Shockingly, these common experiences could be linked to serious cardiac arrhythmias, which are far more dangerous than they seemingly sound. More shocking is the fact that these arrhythmias or abnormal heart rhythms, could trigger potentially fatal cardiac arrests. Knowing […]

February 16, 2024

by Dr. Karthigesan

Deciphering Heart Rhythm: Is Yours Normal?

Ever wonder about the silent beats within your chest? That's your heart rhythm, ticking away, signalling your health. Sometimes, it might not follow the usual beat, leading to arrhythmia - an uneven heart dance. This article aims to clear up these beats for you. You'll learn when to note changes and seek help. It's about […]

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Photo of Dr. Karthigesan A.M, Senior Consultant Cardiologist, Apollo Hospitals, Chennai.

Dr. A. M. Karthigesan

Interventional Cardiologist in Chennai

Blog

Caffeine and Heart Rate: Exploring the Intricate Link

Can Smartwatches Detect Heart Problems? Discover the Truth

Exploring How LAA Closure Reduces Stroke Risk in AFib Patients

Heart Conditions That Cause Dizziness: What You Need to Know

Arrhythmias & Cardiac Arrest: Understanding the Highly Risky Connection

Deciphering Heart Rhythm: Is Yours Normal?

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