Heart Matters

Tests & Procedures

Being referred for a cardiac test can feel daunting, especially when you're not sure what to expect. The Tests section explores the most common cardiac investigations — from ECGs and echocardiograms to stress tests and coronary angiograms. Each article explains what a test involves and what the results generally mean, written by cardiologists to help readers feel more informed going into their next appointment.

15 articles
All Articles
Leadless Pacemakers: A New Era in Cardiac Pacing
Tests & Procedures

Leadless Pacemakers: A New Era in Cardiac Pacing

Lipoprotein(a): The Inherited Heart Risk Most People Have Never Heard Of
Tests & Procedures

Lipoprotein(a): The Inherited Heart Risk Most People Have Never Heard Of

Drug-Coated Balloons: A New Frontier in Treating Coronary Artery Disease
Tests & Procedures

Drug-Coated Balloons: A New Frontier in Treating Coronary Artery Disease

CT Coronary Angiogram (CTCA): What It Is, What to Expect, and What It Shows
Tests & Procedures

CT Coronary Angiogram (CTCA): What It Is, What to Expect, and What It Shows

Transoesophageal Echocardiogram (TOE/TEE): What It Is and What to Expect
Tests & Procedures

Transoesophageal Echocardiogram (TOE/TEE): What It Is and What to Expect

The Electrocardiogram (ECG / EKG)
Tests & Procedures

The Electrocardiogram (ECG / EKG)

Recovering After a Coronary Angiogram: What to Expect
Tests & Procedures

Recovering After a Coronary Angiogram: What to Expect

The Coronary Calcium Score: What It Measures and What to Expect
Tests & Procedures

The Coronary Calcium Score: What It Measures and What to Expect

The Holter Monitor: Catching Arrhythmias in Daily Life
Tests & Procedures

The Holter Monitor: Catching Arrhythmias in Daily Life

More Articles
Tests & Procedures

When a Standard ECG Isn’t Enough: A Guide to Cardiac Rhythm Monitoring

Tests & Procedures

Troponin: The Blood Test at the Heart of Chest Pain Assessment

Tests & Procedures

The Stress Echocardiogram: What It Is, What to Expect, and What the Results Mean

Tests & Procedures

HbA1c: What Your Blood Sugar Average Means for Your Heart

Tests & Procedures

The Echocardiogram: What It Shows and Why It Matters

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Plain-language definitions of heart and cardiovascular terms — from arrhythmia to valve disease.

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From the Editor
Heart Stents: What You Need to Know
New Book 2026

Heart Stents: What You Need to Know

A comprehensive guide by Prof. Peter Barlis. Published by Wiley.

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The Electrocardiogram (ECG / EKG)

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The ECG is the most widely performed cardiac test in the world — quick, painless, and remarkably informative. Here is what it measures and what the results actually mean.