Dead Space -

: Found in the European Respiratory Journal , this paper explains that elevated physiological dead space is a strong prognostic marker for patients with ARDS and severe heart failure. It identifies ventilation/perfusion ( ) heterogeneity as a primary pathophysiological mechanism.

: This study, available on PMC , highlights that measuring dead space can be a more reliable predictor of Acute Respiratory Distress Syndrome (ARDS) outcomes than oxygenation levels alone. It evaluates various surrogate indices, such as the ventilatory ratio, used in clinical practice when direct measurement is unavailable. Dead Space

Several notable papers and clinical reviews explore the concept of , primarily within the context of respiratory physiology and critical care medicine. These papers detail how dead space—the portion of tidal volume that does not participate in gas exchange—serves as a vital marker for evaluating the severity of respiratory failure and predicting patient outcomes. Key Academic & Clinical Papers : Found in the European Respiratory Journal ,

: This paper in PubMed proposes mathematical models to improve the estimation of functional residual capacity (FRC) by accounting for gas mixing within the dead space, moving beyond traditional lung models. It evaluates various surrogate indices, such as the

(2026): Published in Critical Care , this paper provides a comprehensive overview of dead space from its first description by Christian Bohr in 1891 to modern applications. It discusses the integration of lung imaging and clinical scenarios to assess dead space distribution in critical care settings.