abstract  introduction: hypertension is a very common cardiovascular disease with extensive effects on body organs. this study was conducted to compare the extent of target organ damage in hypertensive patients with and without significant nocturnal fall in blood pressure (dippers and non-dippers, respectively). methods: one-hundred patients with recently diagnosed hypertension underwent 24-hou...

Diabetes is a metabolic pathological condition of concern, which affects vital organs of body if not diagnosed and treated on time. Regular monitoring of blood glucose is important to avoid complication of diabetes. Commonly used glucose measurement methods are invasive which generally involves finger puncturing. These methods are painful and frequent pricking cause calluses on the skin and hav...

Alongside heart rate, Blood Pressure is one of the physiological parameters which has been measured by clinicians for the longest period of time: it was known to be important in the 16 century. It remains one of the most important physiological indicators to date and is also one of the more awkward parameters to measure. As has been discussed, blood is pumped round the body by the heart. The bl...

During a conference devoted to problems of non-invasive ambulatory blood pressure monitoring held in Berlin on March 2 and 3 1990, the following issues were intensively discussed and a consensus was reached on certain aspects. A number of devices are now available which may be considered acceptable in terms of accuracy and reliability, patient acceptability, computer compatibility and cost. To ...

DETECTION OF 900 ML BLOOD WITHDRAWAL BY AMPLITUDE MODULATION ANALYSIS OF THE PHOTOPLETHYSMOGRAPHIC WAVEFORM Christopher G. Scully, MS, Nandakumar Selvaraj, PhD, Frederick W. Romberg, MS, Richa Wardhan, MD, John Ryan, BA, John Florian, PhD, David G. Silverman, MD, Kirk H. Shelley, MD, PhD, and Ki H. Chon, PhD Department of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, MA De...