• Upper Arm BPM M2:
• It is well known that blood pressure measurement with a standard 12-13 cm wide cuff is erroneous for large arms.
• OBJECTIVE:
• To compare arm blood pressure measurements with an appropriate cuff and forearm blood pressure measurements (BPM) with a standard cuff, and both measurements by

• Upper Arm BPM M2:
• It is well known that blood pressure measurement with a standard 12-13 cm wide cuff is erroneous for large arms.
• OBJECTIVE:
• To compare arm blood pressure measurements with an appropriate cuff and forearm blood pressure measurements (BPM) with a standard cuff, and both measurements by the Photopletismography (Finapres) method.
• METHODS:
• One hundred and twenty-nine obese patients were studied (body mass index=40 /-7 kg/m2). 
• The patients had three arm BPM taken by an automatic oscillometric device using an appropriate cuff and three forearm BPM with a standard cuff in the sitting position after a five-minute rest. 
• Data were analysed by the analysis of variance. 
• The correction values were obtained by the linear regression test.
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