I rarely wore knee-high boots because I was put off by the lack of options for wide calves. During many disappointing try-ons, I would try to shimmy into a narrow boot shaft, only for it not to zip ...
Lightsheet based 2D optical tweezer (planar 2DLOT) allows trapping objects (living & non-living) in a 2D plane and simultaneous interrogation/imaging with diffraction-limited resolution. A ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...
Abstract: We describe an evaluation of photoplethysmography (PPG) signals with two wavelengths channels (infrared and red) using a wrist-worn sensor for the estimation of heart rate variability (HRV) ...
A wide pulse pressure is when the top and bottom blood pressure numbers are more than 100 mm Hg apart. Older adults and athletes may have wide pulse pressure, but for non-athletes, it can mean a ...
Abstract: Rings have attracted more and more attention in the study of wearable health monitoring. This study focused on a ring type Surgical Pleth Index (SPI) monitoring system based on ...
Objective There is a lack of objective measures to assess children with acute wheezing episodes. Increased respiratory rate (RR) and pulsus paradoxus (PP) are recognised markers, but poorly recorded ...
Objective NEWS2 (RCP 2017) 1 recommends use of ‘SpO2 Scale 2’ in patients with hypercapnic respiratory failure (usually due to COPD) to aim target saturations of 88–92%. We aimed to identify if COPD ...
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