---
bibliography: /Users/htlin/Zotero/zotero_main.bib
csl: /Users/htlin/Zotero/styles/american-medical-association.csl
date: 2023-05-17
enableToc: false
slug: reticulocyte-index
tags:
- building
title: Reticulocyte index
---

> [!info]
>
> 🌱 來自: [[Diagnostic evaluation-anemia]]

# Reticulocyte index

缺血時R佔比天然地變高，因此要給他打折才不會誤以為骨髓生產力好

### RI =

[reticulocyte count × (Pt’s Hct/nl Hct)]/maturation factor]

### maturation factors for a given (天)

- Hct: 45% = 1,
- 35% = 1.5,
- 25% = 2,
- 20% = 2.5

> RI >2% → adequate marrow response; RI <2% → hypoproliferation

¹

<div id="refs" class="references csl-bib-body">

<div id="ref-2000ventilation" class="csl-entry">

<span class="csl-left-margin">1.
</span><span class="csl-right-inline">Ventilation with Lower Tidal
Volumes as Compared with Traditional Tidal Volumes for Acute Lung Injury
and the Acute Respiratory Distress Syndrome. *New England Journal of
Medicine*. 2000;342(18):1301-1308.
doi:[10.1056/NEJM200005043421801](https://doi.org/10.1056/NEJM200005043421801)</span>

</div>

</div>