introduction The neutrophil/lymphocyte ratio (NLR) has been gaining increasing attention across many fields of medicine within the past five years.  Currently, there are 2,230 publications about this in PubMed, mostly within the past few years.  This post will attempt to create a framework for understanding this ratio. overview definition & physiology The NLR is simply … Continue reading PulmCrit: Neutrophil-Lymphocyte Ratio (NLR): Free upgrade to your WBC