Do you simply remember that SpO2 is safe if it is 95% or higher, and dangerous if it drops below 90%? In reality, applying this understanding to certain patients, such as those with COPD, can lead to ...

The respiratory system is the organs in your body for breathing, letting you exchange oxygen and carbon dioxide. Lung Sounds: What Do They Mean? Learn about normal and abnormal lung sounds, like ...

Correspondence to Dr YanFei Guo, Department of Respiratory and Critical Care Medicine;National Center of Gerontology;Institute of Geriatric Medicine,Chinese Academy of Medical Sciences, Beijing ...

What is a sleep study? There are different stages of sleep. Each stage has aspects that can be measured. A sleep study is a number of tests recorded at the same time during sleep. The tests measure ...

In patients admitted to hospital with an exacerbation of Chronic Obstructive Pulmonary Disease (ECOPD), appropriate oxygen therapy can save lives, but excess oxygenation is associated with higher ...

Steffini Stalos, DO, is board-certified in pathology and lab medicine. She is currently Chief Medical Officer of Blood Associates, a lab consultancy firm. If your oxygen level drops below 92%, seek ...

Patients who underwent thoracoscopic pulmonary resection at Tangdu Hospital between August 2024 and July 2025 were enrolled, with the final follow-ups completed by October 2025. This prediction model ...

If your oxygen level drops below 92%, seek medical help immediately. Low oxygen can cause symptoms like chest pain, confusion, and shortness of breath. Without treatment, low oxygen levels can lead to ...

William Ottestad, consultant and specialist in anaesthesiology. The author has completed the ICMJE form and declares no conflicts of interest. Some COVID-19 patients deteriorate rapidly and seemingly ...

CO indicates cardiac output; mPAP, mean pulmonary artery pressure; PA, pulmonary artery; PAH, pulmonary arterial hypertension; PAWP, pulmonary arterial wedge pressure ...

1 Centre for Translational Inflammation and Fibrosis Research, School of Clinical and Experimental Medicine, University of Birmingham, Birmingham, UK 2 School of Cancer Sciences, University of ...

Objective To assess medium-term organ impairment in symptomatic individuals following recovery from acute SARS-CoV-2 infection. Design Baseline findings from a prospective, observational cohort study.