LVMI Calculator

The LVMI Calculator calculates Left Ventricular Mass Index (LVMI) to assess heart muscle thickness and potential hypertrophy. This tool is useful for cardiovascular health assessment.

Input Parameters

Calculation Results

Calculation Formula

LVMI = (Left Ventricular Mass in grams) / (Body Surface Area in square meters)^2

Where:
Left Ventricular Mass (LVM) is estimated using Devereux formula:
LVM (g) = 0.8 × 1.04 × [(IVSd + LVPWd + LVIDmax)^3 - (LVIDmax)^3] + 4.4
Body Surface Area (BSA) is calculated using Mosteller formula:
BSA (m²) = √[height (cm) × weight (kg) / 3600]

Left Ventricular Mass (LVM):

0 g

Body Surface Area (BSA):

0 m²

LVMI:

0 g/m²

LVMI Classification (Male):

—

LVMI Classification (Female):

—

LVMI Calculator Calculator Usage Guide

Learn how to use the LVMI Calculator calculator and its working principles

How to Use the LVMI Calculator

  1. Enter your heart rate in beats per minute.
  2. Enter your systolic blood pressure in millimeters of mercury (mmHg).
  3. Enter your diastolic blood pressure in millimeters of mercury (mmHg).
  4. Enter your height in centimeters (cm).
  5. Enter your weight in kilograms (kg).
  6. Select your sex (Male or Female).
  7. Click the "Calculate" button to compute your LVMI, Left Ventricular Mass (LVM), and Body Surface Area (BSA).

Understanding the Results

The calculator provides the following results:

  • Left Ventricular Mass (LVM): The estimated mass of the left ventricle of your heart in grams.
  • Body Surface Area (BSA): Your body surface area in square meters, used as a normalization factor.
  • LVMI: The Left Ventricular Mass Index, calculated as LVM divided by BSA squared (g/m²).
  • LVMI Classification: Based on ASE/EACVI guidelines, the calculator classifies your LVMI as normal, borderline, mild, moderate, or severe hypertrophy.

Interpreting the Classification

The LVMI classification helps assess the risk of heart hypertrophy:

  • Normal (LVH not present): LVMI is below the threshold for hypertrophy.
  • Borderline: LVMI is between the normal and hypertrophy thresholds.
  • Mild Hypertrophy: LVMI is moderately elevated.
  • Moderate Hypertrophy: LVMI is significantly elevated.
  • Severe Hypertrophy: LVMI is extremely elevated, indicating high risk.

Limitations

This calculator provides an estimation of LVMI based on clinical parameters. It is not a diagnostic tool and should not replace professional medical advice. Always consult with a healthcare provider for a comprehensive cardiovascular evaluation.