1. Detection of hypotension during Caesarean section with continuous non-invasive arterial pressure device or intermittent oscillometric arterial pressure measurement 
C. Ilies, H. Kiskalt, D. Siedenhans, P. Meybohm, M. Steinfath, B. Bein, R. Hanss 
British Journal of Anaesthesia 
Volume 109, Issue 3, Pages (September 2012)
DOI: /bja/aes224
Copyright © 2012 The Author(s) Terms and Conditions

2. Fig 1
Umbilical vein pH of normo- and hypotensive mothers measured by CNAP or NIAP: definition of hypotension: systolic AP below 100 mm Hg (a) or a decrease from systolic baseline of more than 20% (b). Data are mean (sd); dotted line, pH 7.25 as definition of acidosis; *P<0.03.
British Journal of Anaesthesia  , DOI: ( /bja/aes224)
Copyright © 2012 The Author(s) Terms and Conditions

3. Fig 2
Systolic APs in mm Hg for all 888 cycles. For CNAP, the lowest and highest within the 3 min cycle are shown. Data are mean (sd); dotted line, systolic AP below 100 mm Hg as definition of hypotension; P< vs maximal systolic CNAP (*) and vs NIAP (+).
British Journal of Anaesthesia  , DOI: ( /bja/aes224)
Copyright © 2012 The Author(s) Terms and Conditions

4. Fig 3
Incidence of hypotension defined by a systolic AP below 100 mm Hg detected by CNAP or NIAP in (a) all patients and (b) all intervals. *P< vs CNAP.
British Journal of Anaesthesia  , DOI: ( /bja/aes224)
Copyright © 2012 The Author(s) Terms and Conditions

5. Fig 4
Incidence of hypotension defined by a decrease in the baseline systolic AP of more than 20% detected by CNAP or NIAP in (a) all patients and (b) all intervals. *P< vs CNAP.
British Journal of Anaesthesia  , DOI: ( /bja/aes224)
Copyright © 2012 The Author(s) Terms and Conditions