Business Ethics in China Has Many Issues Within and Globally. China Has a Di

Report on a problem studied at the UK Mathematics-in-Medicine Study Group Southampton 2007 < http://www.maths-in-medicine.org/uk/2007/blood-pressure/ >

7th Mathematics in Medicine Study Group University of Southampton, 10–14 September 2007

Continuous Non-Invasive Blood-Pressure Measurements

Problem presented by Dr. Tony Birch Neurological Physics Group, Southampton University Hospital Trust Chris Breward Thorsten Fischer Anna Lovrics Colin Please Christopher Voyce Sarah Campbell Steven Glavin Sarah McBurnie Jennifer Siggers Robert Whittaker Igor Chernyavsky Oliver Jensen Jonathan Moles Peter Stewart Tom Witelski

Participants:

Summary Presentation (14 Sept 2007) Report coordinator Robert Whittaker (Report: [18 October 2007] version)

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1.1

Introduction

The Problem Presented to the Study Group

The primary components of healthy living are recognised as a good diet, plenty of exercise, avoiding smoking and reducing stress. These measures are largely aimed at improving the health of the arterial system. The arterial system is much more than a set of pipes, it is an extraordinarily well-regulated blood delivery network capable of responding within a few seconds to challenges such as an altered body position, or a change in demand. There is rapidly growing interest in measurement techniques that can assess the rapid dynamics of the arterial system. These may enable deteriorating function to be identified before it becomes problematic. Much of the research in this area requires a continuous but non-invasive measure of arterial pressure. Arterial blood pressure may be measured continuously by two different non-invasive techniques; the FinapresTM and Colin R CBM-7000 Radial Artery Tonometer, both described below. The Study Group was asked to explore explanations for the disagreement in output of the two techniques. In particular, by modelling the behaviour of both devices and their vascular response to the provocation.

1.2

Description of the...