Echocardiography, often called an "echo," is a non-invasive test that uses ultrasound to create images of your heart, helping assess its function and diagnose conditions.

Exercise stress echocardiography is a test that evaluates how well your heart functions under physical stress.

A Holter monitor is a portable device that continuously records your heart's electrical activity, typically over 24 to 48 hours, to detect irregular heart rhythms that may not show up during a standard ECG in a doctor's office.