Rbc Rate Calculator

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RBC Index & Rate Calculator

Clinical Results

Mean Corpuscular Volume (MCV)

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Normal: 80 – 100 fL

Mean Corpuscular Hemoglobin (MCH)

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Normal: 27 – 33 pg

Mean Corpuscular Hemoglobin Conc. (MCHC)

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Normal: 32 – 36 g/dL
function calculateRBC() { var hb = parseFloat(document.getElementById('hemoglobin').value); var hct = parseFloat(document.getElementById('hematocrit').value); var rbc = parseFloat(document.getElementById('rbc_count').value); var resultsDiv = document.getElementById('rbc-results'); if (isNaN(hb) || isNaN(hct) || isNaN(rbc) || rbc === 0 || hct === 0) { alert("Please enter valid positive numbers for all fields."); return; } // Formulas for RBC Indices // MCV = (Hct % / RBC) * 10 var mcv = (hct / rbc) * 10; // MCH = (Hb / RBC) * 10 var mch = (hb / rbc) * 10; // MCHC = (Hb / Hct) * 100 var mchc = (hb / hct) * 100; document.getElementById('mcv_val').innerHTML = mcv.toFixed(1) + " fL"; document.getElementById('mch_val').innerHTML = mch.toFixed(1) + " pg"; document.getElementById('mchc_val').innerHTML = mchc.toFixed(1) + " g/dL"; resultsDiv.style.display = 'block'; }

Understanding RBC Indices

The Red Blood Cell (RBC) Indices are calculated values that provide information about the average size, weight, and hemoglobin concentration of your red blood cells. These metrics are vital for clinicians to diagnose various types of anemia and other hematological conditions.

1. Mean Corpuscular Volume (MCV)

MCV measures the average size (volume) of a single red blood cell. It is calculated by dividing the hematocrit by the total RBC count.

  • High MCV (Macrocytic): Often caused by Vitamin B12 or Folate deficiency.
  • Low MCV (Microcytic): Frequently indicative of iron deficiency or Thalassemia.

2. Mean Corpuscular Hemoglobin (MCH)

MCH represents the average amount of hemoglobin found inside a single red blood cell. Hemoglobin is the protein that carries oxygen. Low MCH often correlates with low MCV, indicating smaller cells that carry less oxygen-binding protein.

3. Mean Corpuscular Hemoglobin Concentration (MCHC)

MCHC is the calculation of the average concentration of hemoglobin within a given volume of red blood cells. Unlike MCH, which looks at the amount per cell, MCHC accounts for the size of the cell. Low MCHC (Hypochromic) is a classic sign of iron deficiency anemia.

Disclaimer: This calculator is for educational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding laboratory results.

Example Calculation

Suppose a laboratory report shows the following values:

  • Hemoglobin: 15.0 g/dL
  • Hematocrit: 45%
  • RBC Count: 5.0 million/µL

Applying the formulas:

MCV: (45 / 5.0) × 10 = 90 fL (Normal size)
MCH: (15.0 / 5.0) × 10 = 30 pg (Normal weight)
MCHC: (15.0 / 45) × 100 = 33.3 g/dL (Normal concentration)

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