Danbot: Add wikilinks: heparin-induced thrombocytopenia, HIT, thrombocytopenia

2026-03-21T16:50:24Z

Add wikilinks: heparin-induced thrombocytopenia, HIT, thrombocytopenia

← Older revision		Revision as of 16:50, 21 March 2026
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	<noinclude>Interactive 4Ts Score calculator for HIT. Requires the [[MediaWiki:Gadget-calculator.js\|calculator gadget]].		<noinclude>Interactive 4Ts Score calculator for [[Heparin-induced [[Thrombocytopenia\|thrombocytopenia]]\|HIT]]. Requires the [[MediaWiki:Gadget-calculator.js\|calculator gadget]].
	Usage: <code><nowiki>{{HIT 4Ts Calculator}}</nowiki></code>		Usage: <code><nowiki>{{HIT 4Ts Calculator}}</nowiki></code>
	[[Category:Calculator templates]]</noinclude>		[[Category:Calculator templates]]</noinclude>
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	* Lo GK, et al. Evaluation of pretest clinical score (4 T''s) for the diagnosis of heparin-induced thrombocytopenia. ''J Thromb Haemost.'' 2006;4(4):759-765. PMID 16634744.		* Lo GK, et al. Evaluation of pretest clinical score (4 T''s) for the diagnosis of [[Heparin-induced thrombocytopenia\|heparin-induced thrombocytopenia]]. ''J Thromb Haemost.'' 2006;4(4):759-765. PMID 16634744.
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	</div>		</div>

Danbot: Create calculator template with references and subheading

2026-03-21T16:06:39Z

Create calculator template with references and subheading

New page

<noinclude>Interactive 4Ts Score calculator for HIT. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].
Usage: <code><nowiki>{{HIT 4Ts Calculator}}</nowiki></code>
[[Category:Calculator templates]]</noinclude>
=== 4Ts Score for HIT ===
<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:#c0392b; color:white;" | 4Ts Score for Heparin-Induced Thrombocytopenia
|-
! Criteria !! 0 Points !! 1 Point !! 2 Points
|-
| '''Thrombocytopenia'''
| {{calculator|id=hit_t0|type=radio|name=hit_t|default=1}} <30% fall or nadir <10
| {{calculator|id=hit_t1|type=radio|name=hit_t}} 30–50% fall or nadir 10–19
| {{calculator|id=hit_t2|type=radio|name=hit_t}} >50% fall and nadir ≥20
|-
| '''Timing''' of platelet fall
| {{calculator|id=hit_ti0|type=radio|name=hit_ti|default=1}} <4 days without recent heparin
| {{calculator|id=hit_ti1|type=radio|name=hit_ti}} Consistent but unclear; or fall after day 10
| {{calculator|id=hit_ti2|type=radio|name=hit_ti}} 5–10 days; or ≤1 day if recent heparin
|-
| '''Thrombosis''' or other sequelae
| {{calculator|id=hit_th0|type=radio|name=hit_th|default=1}} None
| {{calculator|id=hit_th1|type=radio|name=hit_th}} Progressive/recurrent or suspected
| {{calculator|id=hit_th2|type=radio|name=hit_th}} Confirmed new thrombosis or skin necrosis
|-
| '''Other''' causes for thrombocytopenia
| {{calculator|id=hit_o0|type=radio|name=hit_o|default=1}} Definite other cause present
| {{calculator|id=hit_o1|type=radio|name=hit_o}} Possible other cause
| {{calculator|id=hit_o2|type=radio|name=hit_o}} No other cause apparent
|-
! style="background:#c0392b; color:white;" | 4Ts Score
! style="background:#c0392b; color:white;" colspan="3" | {{calculator|id=hit_total|type=plain|formula=(hit_t1+hit_t2*2)+(hit_ti1+hit_ti2*2)+(hit_th1+hit_th2*2)+(hit_o1+hit_o2*2)|style=font-weight:bold;font-size:16px;}} / 8
|}
{| class="wikitable" style="width:100%;"
|+ Interpretation — Pretest Probability for HIT
|-
! style="background:#27ae60; color:white; width:20%;" | 0–3
| '''Low probability''' (~5% risk of HIT). HIT antibody testing usually not needed.
|-
! style="background:#f39c12; color:white;" | 4–5
| '''Intermediate probability''' (~14% risk). Send HIT antibody; consider alternative anticoagulation.
|-
! style="background:#e74c3c; color:white;" | 6–8
| '''High probability''' (~64% risk). Start alternative anticoagulant; send confirmatory testing.
|}
{| class="wikitable" style="width:100%;"
|+ References
|-
|
* Lo GK, et al. Evaluation of pretest clinical score (4 T''s) for the diagnosis of heparin-induced thrombocytopenia. ''J Thromb Haemost.'' 2006;4(4):759-765. PMID 16634744.
|}
</div>

Template:HIT 4Ts Calculator - Revision history

Danbot: Add wikilinks: heparin-induced thrombocytopenia, HIT, thrombocytopenia

Danbot: Create calculator template with references and subheading