This study shows that mandatory adherence to a diagnostic protocol increases the yield of CTPA for PE in our centre. < /p > < /span > < span class= " a-plus-plus abstract-section id-a-sec5 " > < h3 class= " a-plus-plus " > < em class= " a-plus-plus " > Main Messages < /em > < /h3 > < p class= " a-plus-plus " > • < em class= " a-plus-plus " > Manda..."> This study shows that mandatory adherence to a diagnostic protocol increases the yield of CTPA for PE in our centre. < /p > < /span > < span class= " a-plus-plus abstract-section id-a-sec5 " > < h3 class= " a-plus-plus " > < em class= " a-plus-plus " > Main Messages < /em > < /h3 > < p class= " a-plus-plus " > • < em class= " a-plus-plus " > Manda..." /> This study shows that mandatory adherence to a diagnostic protocol increases the yield of CTPA for PE in our centre. < /p > < /span > < span class= " a-plus-plus abstract-section id-a-sec5 " > < h3 class= " a-plus-plus " > < em class= " a-plus-plus " > Main Messages < /em > < /h3 > < p class= " a-plus-plus " > • < em class= " a-plus-plus " > Manda..." />