Most common cause of dissecting hematoma -
Ans. is 'a' i.e., Hypertension o More than 90% of dissections occur in men between the age of 40 and 60 with antecedent hypertension.Other causes of dissection.o Marfan syndrome causing cystic medial necrosis (second most common),o Ehlers - Danlos syndrome.o Inflammatory aortitis - Takayasu's disease. Giant cell arteritis,o Coarctation of aorta.o Normal woman during third trimester of pregnancy.3 Congenital bicuspid aortic valve.Also knowo In Aortic dissection blood enters alon the laminar planes of media.
Hypertension
DM
Trauma
Mafan syndrome
Aneurysms and Dissections