CART Heart Failure Model

Predict cardiac mortality risk accurately using clinical decision trees.

Hemodynamic & Renal

Example: 45.0
Example: 110
Example: 2.8
Example: 135

Cardiac & Biomarkers

Example: 68
Example: 88
Example: 35
Example: 650

Status & Comorbidities

Example: 27.5
Example: Class III
Example: Yes
Example: No

Comprehensive Guide to the CART Heart Failure Model

The Classification and Regression Tree (CART) model for acute heart failure provides rapid, objective risk stratification based on standard admission evaluations. Developed from robust clinical registries like ADHERE, it utilizes sequential branch points to identify patient vulnerability profiles safely at the bedside.

Formula and Decision Pathway

Unlike linear score equations, the CART model processes variables hierarchically. The preliminary branch checks if Blood Urea Nitrogen is 43 mg/dL or higher. Subsequent branches evaluate Systolic Blood Pressure below 115 mmHg and Serum Creatinine values exceeding 2.75 mg/dL to categorize patients into distinct mortality brackets.

How to Use This Calculator

Frequently Asked Questions

It serves to estimate in-hospital mortality risk for patients presenting with acute decompensated heart failure.

Blood urea nitrogen and systolic blood pressure reflect renal perfusion and hemodynamic stability, serving as primary tree split nodes.

No, it is designed exclusively as an adjunct decision-support tool alongside professional clinical evaluation.

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