There are several methods to assess the function of your heart like electrocardiogram (ECG), Echocardiography, and exercise stress test. These methods use different modalities to evaluate the functioning of the heart in different conditions. An electrocardiogram is a way of monitoring the electrical activity of the heart.
12 lead ECG: leads are put on your chest and all four limbs to measure the electrical activity of the heart. This is usually done in the office and takes about 5 minutes.
Holter monitor: this is a more portable form of ECG wherein the electrodes are attached to your chest wall which in the turn are connected to a small monitor that you can carry around with you. This is used to record the electrical activity of your heart for 24-48 hours.
Implantable loop monitor: this device is inserted under your skin in the chest by minor surgery. it records the electrical activity of your heart for nearly 3 years.
Event monitor: a wearable device, it records the electrical activity only at a certain time during the day. You can also activate it to read the electrical activity when you are experiencing specific symptoms. You can then send the readings to the doctor with your phone. This device can be used for recording electrical activity for 30 days.
Your doctor will suggest you have an ECG done after you have experienced:
Your doctor will like to assess the following things in your ECG report: