It is a painless, non-invasive test that records the electrical activity of your heart. It’s a quick way to check your heart’s rhythm and rate. 

What it’s used for 

• Diagnosing heart conditions like arrhythmias, coronary heart disease, and heart attacks
• Monitoring how well treatments for heart conditions are working
• Ruling out heart disease before surgery
• Detecting non-heart conditions like electrolyte imbalances and lung diseases

When it’s recommended 

• If you’re experiencing chest pain, breathlessness, dizziness, fainting, or palpitations
• If you’re about to have surgery