Patients awaiting a transthoracic echocardiogram (TTE) based on clinical grounds as part of their standard care
Age 18-90 years
Able to provide informed consent
You may not be if
Severe arrhythmia or unstable cardiovascular disease
Known severe structural heart disease, defined as any of the following: severe left ventricular systolic dysfunction (LVEF ≤35%); severe valvular heart disease according to current British Society of Echocardiography criteria; high echocardiographic probability of pulmonary hypertension according to current British Society of Echocardiography criteria; or previous structural cardiac intervention, including valve repair, valve replacement/implantation, or surgical repair of a cardiac chamber or congenital structural abnormality
Cardiac implantable electronic device in situ, including a permanent pacemaker or implantable cardioverter defibrillator
Current or recent involvement in another research study
