31.   Victims can have a wide array of seemingly unconnected symptoms, including anemia, kidney failure, abnormal heart beats and a variety of neurologic problems that mimic strokes.

32.   Pacemakers are implanted devices used to detect abnormal heart rhythms and then electrically stimulate the heart to its appopriate beat.

a. + heart >>共 888
artificial 4.73%
broken 3.73%
human 3.31%
very 3.09%
new 2.72%
serious 2.43%
open 2.38%
big 2.35%
irregular 2.17%
heavy 2.04%
abnormal 0.85%
abnormal + n. >>共 259
cell 5.70%
heart 4.56%
protein 4.13%
growth 2.85%
level 2.85%
behavior 2.71%
weather 2.28%
tissue 2.14%
prion 1.85%
result 1.85%
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