Because of the logistical barriers, use of the A-a gradient has declined in favor of other less precise, but more accessible indices of oxygenation and pulmonary gas exchange. The barrier to this important clinical information has finally been removed with the validation of the Oxygen Deficit, a new non-invasive approach to a traditionally unpleasant and logistically complicated procedure.
Pulmonary embolism (PE) is a type of venous thromboembolism (VTE) in which a clot or other obstruction breaks off and moves to the pulmonary vasculature and results in reduced pulmonary gas exchange.
There is no question that stand-alone pulse oximetry has become a standard in modern healthcare. It is as ubiquitous as the stethoscope, and as heavily relied upon as the electrocardiogram. That makes it all the more concerning that suddenly, in the midst of the largest respiratory crisis the world has ever faced, healthcare providers are wondering if this long-held lynchpin of healthcare monitoring is leading them astray.
Patients in respiratory distress require immediate medical attention. The ability to quickly identify hypoxemia and its cause is crucial for positive patient outcomes. However, there is a gap in the current cardiorespiratory assessment toolkit that leaves clinicians unable to quickly identify the cause and severity of hypoxemia.
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