clog.02
frames- Strokes , heart attacks , leg pains -LRB- intermittent claudication -RRB- and other problems stem from [rel clogging] of [ARG1-of the arteries] by [ARG2-by cholesterol-rich deposits] .
- At present , doctors can see [ARGM-MNR how badly] [ARG1 an artery] is [rel clogged] *-1 *T*-3 only by *-4 inserting a thin catheter into the artery and injecting a fluid that *T*-2 makes the arteries visible on X-rays .