View source for Template:Lights Criteria Calculator

<noinclude>Interactive Light's Criteria calculator for pleural effusion. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].
Usage: <code><nowiki>{{Lights Criteria Calculator}}</nowiki></code>
[[Category:Calculator templates]]</noinclude>
=== Light's Criteria ===
<div class="calculator-container" data-calculator-refresh-on-load="true">
{| class="wikitable" style="width:100%; border-collapse:collapse;"
|+ style="font-size:16px; font-weight:bold; padding:8px; background:#1a5276; color:white;" | Light's Criteria — [[Pleural effusion|Pleural Effusion]]
|-
! style="width:50%; background:#d4e6f1;" | Parameter
! style="width:50%; background:#d4e6f1;" | Value
|-
| '''Pleural fluid protein''' (g/dL)
| {{calculator|id=lt_pfp|type=number|placeholder=e.g. 3.5|min=0|max=15|size=8|step=0.1}}
|-
| '''Serum protein''' (g/dL)
| {{calculator|id=lt_sp|type=number|placeholder=e.g. 7.0|min=0|max=15|size=8|step=0.1}}
|-
| '''Pleural fluid LDH''' (IU/L)
| {{calculator|id=lt_pfldh|type=number|placeholder=e.g. 200|min=0|max=5000|size=8}}
|-
| '''Serum LDH''' (IU/L)
| {{calculator|id=lt_sldh|type=number|placeholder=e.g. 200|min=0|max=5000|size=8}}
|-
| '''Upper limit of normal serum LDH''' (IU/L)
| {{calculator|id=lt_uln|type=number|placeholder=e.g. 200|min=0|max=1000|size=8}}
|-
! colspan="2" style="background:#1a5276; color:white;" | Results
|-
| '''Pleural protein / Serum protein ratio'''
| style="font-size:16px; font-weight:bold;" | {{calculator|id=lt_pr|type=plain|formula=lt_pfp/lt_sp|decimals=2|NaN-text=—|style=min-width:4ch;display:inline-block}}
|-
| '''Pleural LDH / Serum LDH ratio'''
| style="font-size:16px; font-weight:bold;" | {{calculator|id=lt_lr|type=plain|formula=lt_pfldh/lt_sldh|decimals=2|NaN-text=—|style=min-width:4ch;display:inline-block}}
|-
| '''Pleural LDH / ULN serum LDH'''
| style="font-size:16px; font-weight:bold;" | {{calculator|id=lt_lu|type=plain|formula=lt_pfldh/lt_uln|decimals=2|NaN-text=—|style=min-width:4ch;display:inline-block}}
|}
{| class="wikitable" style="width:100%; margin-top:4px;"
! colspan="2" | Interpretation
|-
| style="background:#e74c3c; color:white; text-align:center; width:25%; font-weight:bold;" | Exudative (any 1 of:)
| Pleural protein/serum protein '''> 0.5''' OR Pleural LDH/serum LDH '''> 0.6''' OR Pleural LDH > '''2/3 ULN''' serum LDH. Causes: infection, malignancy, PE, autoimmune, etc.
|-
| style="background:#27ae60; color:white; text-align:center; font-weight:bold;" | Transudative
| None of the above criteria met. Causes: CHF, cirrhosis, nephrotic syndrome, PE.
|}
{| class="wikitable" style="width:100%; margin-top:4px; font-size:90%;"
! References
|-
|
* Light RW, Macgregor MI, Luchsinger PC, et al. Pleural effusions: the diagnostic separation of transudates and exudates. Ann Intern Med. 1972;77(4):507-513. PMID 4642731.
|}
</div>