Estimation of Respiratory Rate from Thermography Using Respiratory Likelihood Index

Respiratory Rate Simultaneous Estimation from Two ECG-derived Respiratory Waveforms Using an Adaptive Frequency Tracking Algorithm

Monitoring the respiratory rate (RR) in a fast, inexpensive and continuous manner is of great interest as its direct measurement requires bulky, expensive and inconvenient equipment. In this study, the RR is estimated in an instantaneous manner from the electrocardiogram (ECG) using two ECG-derived respiratory waveforms: the respiratory sinus arrhythmia (RSA) and the modulation of R-peak amplit...

Real-time estimation of respiratory rate from a photoplethysmogram using an adaptive lattice notch filter

BACKGROUND Many researchers have attempted to acquire respiratory rate (RR) information from a photoplethysmogram (PPG) because respiration affects the waveform of the PPG. However, most of these methods were difficult to operate in real-time because of their complexity or computational requirements. From these needs, we attempted to develop a method to estimate RR from a PPG with a light compu...

BK Polyomavirus in Respiratory Specimens of Patients with Respiratory Disease

Background and Aims: The role of BK and JC polyomaviruses (BKV and JCV) in the causation of respiratory disease and the natural route of transmission has not well been established. The aim of study was to determine the prevalence of BK and JC viruses in 280 respiratory samples and evaluate their contribution to respiratory disease. Materials and Methods: PCR was used to screen specimens for BK...

The respiratory rate.

Sir, The recording of a patients respiratory rate is an integral part of trauma scoring. Yet 10% of MTOS patients are excluded from TRISS analysis, most because one or more of the revized trauma score variables has not been assessed or recorded (Cope et al., 1989). We should like to draw attention to a respiratory rate monitor (available from Simonsen and Weel Ltd). The unit detects respiration...

Measuring respiratory rate.