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. 2012 May 22;7(5):e36943. doi: 10.1371/journal.pone.0036943

Figure 1. Representative tracings of continuous recordings of SBP and IBI oscillations and variability during intradialytic hypertension episodes with decreased (A) or increased heart rate (B).

Figure 1

Tracings of a patient with marked intradialytic hypotension are depicted for comparison (C). The episodes associated with sudden changes in blood pressure are shown by the bolder parts of the tracings. LF, low frequency; HF, high frequency; IBI, interbeat interval.