外科專科醫師 - 劉庭軒

CVD cardiovascular disease Vascular disease - Aorta chest pain + hypertension + migrating pain to the back =>urgency to differentiate the Aortic Dissection or not

effuse effusion 滲出 transudate 滲出物 exudate 炎性滲出物 蛋白&血球較多

MRI specifies on the signals from the H2O molecules. So the grade displays a image by the color within the grayscale. CT The images specifies the different tissue by density of tissues. According to the density, the film will show a image within the grayscale. Higher density tissues block more X rays, so the film will be exposed lower X rays and present more white color. For example: Bone(high density-white)> soft tissue > fat > water > Air(low density-black)