Health Information  Diagnosis of Arrhythmias (Heart Rhythm
Disturbances)  Arrhythmias may be identified either during
routine health check-ups or when you first report having
symptoms. In either case, the doctor will ask about your
symptoms and medical history, and perform a physical exam, which
includes listening to your heart. For older patients and those
with symptoms or risk factors for heart disease, the healthcare
provider will focus extra attention on cardiovascular health.
Tests may include:  Blood Tests —These tests evaluate your
overall health, the function of your kidneys, the levels of
various electrolytes, and may provide clues about your heart's
health.  Urine Tests —These tests assess your general health and
look for certain markers in the urine that may determine what is
happening with your heart.  Electrocardiogram (EKG) —The EKG
records the heart's activity by measuring electrical currents
that travel through the heart muscle. This test can detect
damaged areas of heart muscle and abnormal