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Biventricular functions means

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biventricular function

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biventricular function definition echocardiography

Biventricular function means how well both pumping chambers of the heart are working:
  • Left ventricle (LV): pumps oxygenated blood to the whole body. Its pumping function is commonly assessed by left ventricular ejection fraction (LVEF).
  • Right ventricle (RV): pumps deoxygenated blood to the lungs. Its function may be assessed by measures such as TAPSE, RV fractional area change, or RV strain on echocardiography.
So, if an echocardiography report says “normal biventricular function,” it means both the right and left ventricles are contracting adequately.
If it says “reduced/impaired biventricular function,” both ventricles have weakened pumping performance.

Ejection fraction 59% means

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left ventricular ejection fraction normal

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normal left ventricular ejection fraction 55 70 American Heart Association

An ejection fraction (EF) of 59% is normal.
It means your left ventricle pumps out about 59% of the blood it contains with each heartbeat. A typical normal range is about 55% to 70%, according to the American Heart Association.
This indicates preserved left-ventricular systolic pumping function. The rest of the echocardiogram still matters, including valve findings, heart chamber size, wall motion, relaxation/diastolic function, and right-ventricular function.

What other echocardiogram findings should I look at?

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echocardiography reporting recommendations

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American Society Echocardiography comprehensive transthoracic echocardiogram report left ventricular function diastolic function valves pulmonary pressure

Besides the ejection fraction (EF), check these parts of an echocardiogram report:
  1. Left-ventricular size and wall thickness
    • Look for “normal LV size,” “no LV hypertrophy,” or whether the muscle is thickened.
    • Thickening can occur with long-standing high blood pressure or some valve conditions.
  2. Wall-motion abnormalities
    • Wording such as “no regional wall-motion abnormality” is reassuring.
    • An abnormality can sometimes suggest prior heart injury or reduced blood flow in a specific area.
  3. Diastolic function / filling pressure
    • This shows how well the left ventricle relaxes and fills between beats.
    • Look for: “normal diastolic function,” “impaired relaxation,” “diastolic dysfunction,” and whether left-atrial pressure/filling pressure is normal or elevated. Current ASE guidance recommends reporting these findings when possible, as summarized in the ASE diastolic-function guideline.
  4. Right-ventricular size and function
    • Look for “RV size normal” and “RV systolic function normal.”
    • Common measurements include TAPSE, S′ velocity, fractional area change, or RV strain.
  5. Heart chamber sizes
    • Particularly the left atrium (LA). Enlargement may reflect long-term elevated filling pressures, hypertension, valve disease, or rhythm problems such as atrial fibrillation.
  6. Heart valves
    • Review the aortic, mitral, tricuspid, and pulmonary valves for:
      • Stenosis: valve is narrowed
      • Regurgitation/insufficiency: valve leaks
    • “Trace” or “mild” leakage is frequently found and is often not clinically important, depending on the valve and overall context.
  7. Pulmonary artery pressure
    • Usually reported as estimated RVSP or PASP.
    • An elevated estimate can suggest raised pressure in the lung circulation, although echo gives an estimate rather than a definitive diagnosis.
  8. Pericardium
    • Look for “no pericardial effusion,” meaning no abnormal fluid around the heart.
  9. Aorta
    • Check whether the aortic root and ascending aorta are normal in size.
  10. Overall impression
  • The most useful line is often the final summary, such as: “Normal biventricular size and systolic function. No significant valvular abnormality. No pulmonary hypertension.”
With an EF of 59%, the left ventricle’s pumping strength is normal. But EF alone does not rule out valve issues, impaired relaxation, high lung pressures, or other findings. If you paste the written echo report with your name, date of birth, hospital number, and address removed, I can translate each line into plain language.
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