Cardiac Index Calculator

Cardiac Index Calculator calculator can be used to calculate the cardiac index (CI), which is a measure of the heart's effectiveness in pumping blood. It is calculated as the cardiac output (CO) divided by the body surface area (BSA).

Input Parameters

Calculation Results

Calculation Formula

Cardiac Index (CI) = Cardiac Output (CO) / Body Surface Area (BSA)

Where:
Cardiac Output (CO) is the volume of blood being pumped by the heart per minute.
Body Surface Area (BSA) is the body surface area of a person in square meters.

Result

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Cardiac Index (CI) (L/min/m²)

Cardiac Index Calculator Calculator Usage Guide

Learn how to use the Cardiac Index Calculator calculator and its working principles

How to Use the Cardiac Index Calculator

  1. Enter the Cardiac Output (CO) in liters per minute (L/min).
  2. Enter the Body Surface Area (BSA) in square meters (m²).
  3. Click the "Calculate" button to compute the Cardiac Index (CI).
  4. The result will be displayed in L/min/m².

Principle of Calculation

The Cardiac Index (CI) is a measure of the heart's effectiveness in pumping blood. It is calculated by dividing the Cardiac Output (CO) by the Body Surface Area (BSA). The Cardiac Output is the volume of blood being pumped by the heart per minute, and the Body Surface Area is the body surface area of a person in square meters.

Example

If a patient has a Cardiac Output of 6.5 L/min and a Body Surface Area of 1.75 m², the Cardiac Index would be calculated as follows:

CI = 6.5 L/min / 1.75 m² = 3.71 L/min/m²

Interpretation

A normal Cardiac Index range is typically between 2.6 and 4.0 L/min/m² for adults. Values outside this range may indicate cardiovascular problems and should be interpreted by a healthcare professional.