scan

[1]	glance at/through , look over , skim , read over , flip/thumb/leaf through
[2]	study , pore over , examine , investigate , scrutinize , inspect , delve into , research , explore (in depth) , sweep , (Archaic) con
[3]	skim , rake , glance over , run down
[4]	read

[1]	CAT scan
[2]	look , survey , inspection , examination , overview