Dr. Shuvanan Ray Interventional Cardiology
Articles

Heart health, explained in plain language.

Clear information helps people make better decisions about their heart. These articles cover common conditions, procedures and prevention — written for patients and families, not for specialists.

Understanding your symptoms

Heart Attack Warning Signs: What to Look For and When to Act

Learn the common and less obvious warning signs of a heart attack, why symptoms differ in women and people with diabetes, and when to call emergency services.

6 min readRead →
Understanding your symptoms

Chest Pain: When Is It an Emergency?

Not all chest pain is cardiac. Understand which features suggest a heart problem, which suggest other causes, and when chest pain needs emergency assessment.

6 min readRead →
Procedures explained

What Is Angioplasty? A Clear Guide to Coronary Angioplasty and Stenting

A plain-language explanation of coronary angioplasty and stenting: what the procedure involves, how it is performed, what recovery looks like, and common questions.

7 min readRead →
Procedures explained

Coronary Angiography: What the Test Involves and Why It Is Done

Coronary angiography is the test used to map the heart's arteries. Understand why it is recommended, how it is performed, and what the results mean.

5 min readRead →
Living with heart disease

Understanding Angina: Causes, Types and Management

Angina is chest discomfort caused by reduced blood flow to the heart. Learn the types, what triggers it, how it is assessed and how it is managed.

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Prevention & heart health

High Blood Pressure: Why It Matters and How It Is Managed

Hypertension often has no symptoms but significantly raises cardiac risk. Understand what the numbers mean, why control matters, and how it is managed.

6 min readRead →
Prevention & heart health

Diabetes and Heart Disease: Understanding the Connection

Diabetes substantially increases cardiovascular risk and can mask cardiac symptoms. Understand the link and what reduces risk.

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Prevention & heart health

Understanding Your Cholesterol Numbers

What LDL, HDL and triglycerides actually mean, why targets differ between individuals, and what lowers cardiovascular risk.

5 min readRead →
Procedures explained

Pacemakers: What They Do and When They Are Needed

A clear guide to cardiac pacemakers: what they do, when they are recommended, what implantation involves, and living with a device.

6 min readRead →
Procedures explained

TAVI: Treating Aortic Valve Narrowing Without Open Surgery

TAVI replaces a narrowed aortic valve through a catheter rather than open-heart surgery. Understand who it suits, what it involves and what to expect.

6 min readRead →
Prevention & heart health

Preventive Cardiology: Knowing and Managing Your Risk

Most heart disease is influenced by factors that can be measured and managed. Understand the major risk factors and when to begin screening.

7 min readRead →
New articles are published regularly. Every article is written and reviewed by Dr. Ray for clinical accuracy, and is intended for general education — not as a substitute for personal medical advice.