PaO2/FiO2（PF）比值被广泛用于评估重症患者的呼吸衰竭情况，以指导通气策略和预后判断。然而，由于该指标需要侵入性动脉 ...

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Rachel Witkowski is an award-winning journalist whose 20-year career spans a wide range of topics in finance, government regulation and congressional reporting. Ms. Witkowski has spent the last decade ...

Use our calculator to determine your monthly auto loan payment and the total amount of interest you’ll pay once your loan is repaid in full. It’s vital to consider the additional interest cost when ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Cost basis is the original purchase price of an asset. Tracking cost basis is key to tax-efficient investing. Many, or all, of the products featured on this page are from our advertising partners who ...