When you breathe, a certain fraction of your air enters the lungs and blood flows through the capillaries. When this ratio is above or below 0.8, you may have ventilation/perfusion (V/Q) mismatch. A V ...
The influence of gravity on the distributions of ventilation and blood flow, as demonstrated by the effects of posture, is discussed and explained on the theoretical basis of gravitational gradients ...
Most patients requiring mechanical ventilation for acute lung injury and the acute respiratory distress syndrome (ARDS) receive positive end-expiratory pressure (PEEP) of 5 to 12 cm of water. Higher ...
“I just can’t do what I used to anymore.” As pulmonologists and critical care doctors treating patients with lung disease, we have heard many of our patients recovering from COVID-19 tell us this even ...
The US Food and Drug Administration (FDA) has granted 510(k) clearance to 4DMedical’s non-contrast, computed tomography (CT)-based ventilation-perfusion imaging technology, CT:VQ, for respiratory ...
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