For every physician and patient, reduction of medical error is a priority issue. 10% of diagnoses and prescriptions are estimated to be flawed. Similarly, it is important to prevent data ‘mis-transmission’ as well as to assure patient confidentiality. These goals can be achieved at once through the introduction of ‘Mobi-Dev’, a new handheld technology that allows healthcare data to be easily computerised. It is being trialled in the San Raffaele clinic in Italy, whose patients suffer from severe heart disease.