Diffusing Capacity. 1  Diseases associated with increased pulmonary blood flow (e.g., left-to-right intracardiac shunts) 2  Diseases associated with polycythemia. 3  Exercise. 4  Pulmonary hemorrhage. 5  DLCO, diffusing capacity of carbon monoxide.
arrow - a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow arrowhead - the pointed head or striking tip of an arrow bow and arrow - a weapon consisting of arrows and the bow to shoot them
2. anything resembling an arrow in form, function, or character. 3. a linear figure having a wedge-shaped end, as one used on maps or drawings to indicate direction or placement. v.t. 4. to indicate the proper position of (an insertion) by means of an arrow (often fol. by in).