Consultant Fetal & Paediatric Cardiologist,
An exercise ECG records the electrical activity of your heart whilst you exercise. This test is sometimes called an exercise stress test or exercise tolerance test. Small electrodes are stuck on to your chest. Wires from the electrodes are connected to the ECG machine. You will then be asked to exercise on a treadmill or on an exercise bike. The exercise starts at a very easy pace, and is gradually made more strenuous by increasing the speed and incline of the treadmill, or by putting some resistance on the bike wheel.
The electrocardiogram (ECG or EKG) is a diagnostic tool that measures and records the electrical activity of the heart in exquisite detail. Interpretation of these details allows diagnosis of a wide range of heart conditions. These conditions can vary from minor to life threatening. The term electrocardiogram was introduced by Willem Einthoven in 1893. The process of performing an ECG involves attaching a series of electrodes to the patient's chest and limbs (usually with the patient lying down), and printing a recording on the ECG machine for interpretation by the specialist. It takes approximately 5 minutes to record a diagnostic ECG.
Echocardiogram is a diagnostic procedure that demonstrates the heart's function using ultrasound technology. It is sometimes referred to as an ECHO because a high-frequency sound is used for diagnosis. Echocardiogram, often referred to as a cardiac echo, or simply an echo, is a sonogram of the heart. (It is not abbreviated to ECG, which only refers to an electrocardiogram). Usually, echocardiography uses standard two-dimensional ultrasound images of the heart. However, there are also more specialised echo procedures such as dobutamine stress echos, transoesophageal echos and 3-D echos. Echocardiography has become routinely used in the diagnosis, management and follow-up of patients with any suspected or known heart diseases. It can provide a wealth of helpful information, including the size and shape of the heart, pumping capacity, and the location and extent of any tissue damage.
An ECG – or electrocardiogram - is a simple and useful test which records the rhythm and electrical activity of your heart. An ECG can detect problems you may have with your heart rhythm. It can help doctors tell if you are having a heart attack or if you’ve had a heart attack in the past. Sometimes an ECG can indicate if your heart is enlarged or thickened. A 24-hour ECG helps to diagnose symptoms, such as palpitations, which only happen now and again. Sometimes it can show up an abnormal heart rhythm that might need treatment. It can also help reassure patients if the results are normal.
MRI (magnetic resonance imaging) is a type of scan that is often used to diagnose health conditions that affect organs, tissue and bone. MRI scans use strong magnetic fields and radio waves to produce a detailed image of the inside of the body