RV indicates right ventricle; SKM, skeletal muscle; V/Q, relation between ventilation and perfusion; and VD/VT, dead space ventilation ratio. This review aims to explore the multifactorial nature of ...

As such, MIGET can quantify ventilation–perfusion () inequalities and pulmonary shunts ... the degree of bronchial wall thickening, based on the ratio of average lumen diameter to wall area in the ...

In order to assess how these variables affect the therapeutic ratio for patients who might be particularly ... if a patient with chronic graft-versus-host disease has lung disease, a ...

Understanding the basics of roof ventilation can prevent expensive repairs later. Learn about how to achieve optimal airflow ...

An expense ratio is a measure of how much it costs to operate a mutual fund or ETF, expressed as a percentage of the fund's net assets Lower expense ratios indicate a more cost-effective ...

The price-to-earnings ratio (P/E) is among the most important and commonly used valuation metrics in the fundamental analysis of stocks. It is also referred to as the price multiple, or the ...

Named after Nobel laureate William Sharpe (though he preferred to call it the reward-to-variability ratio), the Sharpe Ratio is a key tool for understanding historical returns of various ...