Aim: The aim of this paper is to present a novel approach for the monitoring respiratory diseases based on combined study heart rate, rate and Pulse Oximetry (SpO2). Introduction: Since start COVID-19 pandemic, have increased its worldwide prevalence dramatically. Added impact pandemic already existing situation growing such as bronchial asthma Chronic Obstructive Pulmonary Disease (COPD). On o...

Pulse oximetry has been one of the most significant technological advances in clinical monitoring in the last two decades. Pulse oximetry is a non-invasive photometric technique that provides information about the arterial blood oxygen saturation (SpO(2)) and heart rate, and has widespread clinical applications. When peripheral perfusion is poor, as in states of hypovolaemia, hypothermia and va...

Background A pulse oximeter is one of the most important monitors to save patients undergoing anesthesia and monitored sedation. The authors report a case of orthopedic surgery, in which interference of pulse oximetry occurred when using a Stealth Station™ navigation system (Medtronic Sofamor Danek, Memphis, TN). Applying a black plastic shield (Masimo Ambient Shield: Masimo Corporation, Irvine...

OBJECTIVE Determine whether ambient light affects the accuracy of pulse oximetry readings. DESIGN Prospective, repeated-measures study. SETTING A photographic darkroom. SUBJECTS Forty-five faculty and students at a university, none of whom had pale skin, dark skin, or evidence of cardiopulmonary disease. Any nail polish was removed. METHODS Five light sources were individually tested: i...

OBJECTIVE To explore the associations between decreased pulse oximetry values (SpO2) and clinical, laboratory, and demographic variables in general practice patients diagnosed with asthma or chronic obstructive pulmonary disease (COPD), including those with both COPD and asthma in combination. DESIGN/SETTING A cross-sectional study in seven Norwegian general practices of patients aged 40 year...

BACKGROUND Pulse oximetry is widely used in neonates. However, its reliability is often affected by motion artefact. Clinicians confronted with questionable oxygen saturation (SpO(2)) values often estimate the reliability by correlating heart rate (HR) obtained with the oximeter with that obtained by electrocardiogram. OBJECTIVE To compare the effects of motion on SpO(2) and HR measurements m...

OBJECTIVE: The purposes of the study were to: (1) describe the aggregate strength of the relationship of arterial oxygen saturat ion as measured by pulse oximetry with the standard of arterial blood gas analysis as measured by co-oximetry, (2) examine how various factors affect this relationship, and (3) describe an aggregate estimate of the bias and precision be tween oxygen saturation as meas...

OBJECTIVE To compare blood pressure measurements in newborn infants using the flush method, pulse oximetry and oscillometry according to Doppler findings. METHODS Noninvasive blood pressure measurements were made using three techniques (flush method, pulse oximetry and oscillometry) in three groups of newborns: 15 normal term infants, 16 stable preterm infants, and 14 critically ill infants. ...

We read with great interest the article by Aldrich et al 1 in this issue of CHEST (see page 1484 ). In 2003, we reported our trial of measuring noninvasive arterial saturation during a pulseless situation (cardiopulmonary bypass [CPB]) by inducing a simulated pulse. 2 We were interested in fi nding a way to obtain pulse oximeter function during CPB at the time because we had experienced a morta...

Stokes (1) reported that the colored substance in blood carries oxygen. This was followed by Hoppe-Seyler (2), who first crystallized this substance and coined the term hemoglobin. Additionally, it was shown that the pattern of light absorption changes when shaken with air (2). Hertzman (3) described using photoelectric plethysmography of fingers and toes as a dynamic analysis of the peripheral...