Epistemis

4Ts Scale Calculator for HIT

Select your patient's clinical characteristics to evaluate the pre-test probability of HIT.

Required inputs

The inputs this calculator asks for inside the app.
VariableExample value
Thrombocytopenia (Magnitude)
Timing (Start of the fall)
Thrombosis (Complications)
oTher causes (Other possible causes)

Run the calculation in the app

This page explains the score but does not run it. In Epistemis, the calculator validates units, flags values outside physiological ranges, and provides the interpretation that a number alone cannot convey.

Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Specialty
Hematology
Area
Internal Medicine
Variables
4
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