Dr Khattar underwent his specialist training in London. He has extensive experience in both advanced echocardiography and percutaneous coronary intervention. He specialises in stress and contrast echocardiography, trans-oesophageal echocardiography and 3-D echocardiography. He joined Royal Brompton Hospital from Manchester Heart Centre and is also an honorary clinical senior lecturer at the National Heart and Lung Institute, Imperial College London.