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R. Tukkie, R. Rienks, A.A.M. Wilde | {{NHJ| | ||
|mainauthor= '''R. Tukkie, R. Rienks, A.A.M. Wilde''' | |||
|edition= 2004:11,510 | |||
}} | |||
[[Image:Puzzle200_11_510.jpg|Figure 1|thumb]] | |||
In 2002, an a trial demand inhibited (AAI) pacemaker was implanted in a young male (born 1984) because of a primary arrhythmia disorder. On a routine Holter recording, the following rhythm strip was recorded early in the morning during sleep (figure 1). | |||
In 2002, an a trial demand inhibited (AAI) pacemaker was implanted in a young male (born 1984) because of a primary arrhythmia disorder. On a routine Holter recording, the following rhythm strip was recorded | |||
'''Which phenomenon is visible?''' | '''Which phenomenon is visible?''' |