Hemoptysis
/What is it? Bleeding below the cords
More specifically, it may be subdivided into Massive and Non-Massive hemoptysis. And while the definitions of massive vary from paper to paper, it is generally agreed that increasing volume over 24 hours is associated with increased mortality. However, the literature consistently concludes that patients and providers are poor, at best, at estimating volume. Thus, the simplest and most effective definition for massive hemoptysis is as such: expectoration of blood causing hemodynamic instability or abnormal gas exchange / airway obstruction.
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