Diagnosing Heart Rhythm Disorders
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There are certain types of arrhythmias that can lead to heart failure or increase the risk for stroke. Symptoms, as well as a complete medical history and physical exam, may indicate the presence of a heart rhythm disorder (arrhythmia). Some of the testing used for diagnosis includes:
Electrocardiogram - an electrocardiogram (ECG) records the electrical activity of the heart, as well as the heart rate and rhythm. It is a non-invasive test that can help diagnose many heart problems.
Electrophysiology Study - a test performed to assess the electrical system of the heart and to diagnose abnormal heartbeats or arrhythmias. The test is performed by inserting a catheter (thin, hollow tube) and small, thin wire electrodes into a vein in the groin (or neck, in some cases). The wire electrodes are then guided into the heart to measure the heart’s electrical signals in detail.
An encounter with a healthcare provider to gather information about a patient to aid in their care and management of disease. Vital signs, such as blood pressure and heart rate, are measured. The healthcare provider will also examine the patient. They will ask about family history and medical history, including cardiac problems, lifestyle, medications and discuss current symptoms.
Holter Monitor - or cardiac monitor; a portable ECG device that keeps track of the electrical activity of the heart over time. The monitor can detect an irregular heart rhythm. It is usually worn for approximately 7-30 days to gather information to guide diagnosis and treatment. This is a non-invasive test.
Implantable Loop Recorder - a type of heart monitoring device that records the heart rhythm continuously for up to three years. It allows doctors to remotely monitor a patient’s heartbeat and watch for any abnormal beats or rhythm. This monitor is placed just under the skin of the chest.
Measures how blood pressure and heart rate respond to the force of gravity by changing the angle of the table you are lying on and monitoring a patient’s response. This test may be performed when patients report lightheadedness or feeling faint to aid in diagnosis.