Time to be more efficient: reducing wasted transthoracic echocardiography (TTE) diagnostic appointment slots at Guy's and St Thomas' NHS Trust.

Transthoracic echocardiography (TTE) is one of the most requested non-invasive cardiac imaging diagnostic modalities available in the National Health Service (NHS). There is persistently high demand, but nationally, activity has lagged, producing increasing numbers of breaches of the 6-week waiting time target. This delays patients' diagnosis and treatment.