PULMONARY EMBOLISM IN ICU PATIENTS - Ali breek Alharthi , Fahad Abdullah Alshehri , Aisha Omar Aljiffry , Mohammed Nasr Al Yaquob , Alaa Matuq Alaithan , Mashail Hashim Farran , Saleh Sameer Ashgar , Ahmed Ibrahim Alkhawaji , Udai Othman Alghanmi , Fatimah Nader Al Jishi (2018)