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Ultrasound scanner-guided Ejection Fraction measurement.

Ejection Fraction

 Ejection Fraction is a measurement that doctors use to calculate the percentage of blood flowing out of the ventricles ( the right and left lower chambers in the heart that enable it to pump blood into the body) with each contraction.

Which Ultrasound Scanner is the best for Ejection Fraction measurement?

Generally, the left ventricle is the one measured for Ejection Fraction since it does the heavy lifting in the body. However, current researches suggest that the right ventricle shouldn’t be ignored when determining EF.

An accurate left ventricle Ejection Fraction reading can be measured through a variety of imaging techniques.

One of the most common EF testing measures is the echo-cardiogram which uses sound waves to take images of the heart. Yet, echo tests are often combined with Doppler imaging technology to show how blood is flowing across the heart valves.       

When we refer to the best ultrasound scanner for the EF measurement our Research and Development team always recommends the 3 in 1 Color Doppler Wireless Ultrasound Scanner SIFULTRAS-3.32 to cardiologists and primary care doctors.

In which it provides a high- frequency sound waves from 3.5 MHz to 7.5 MHz to produce clear images of the heart’s chambers and valves so that doctors can see how the heart is functioning. 

Research shows that the volume of blood within a ventricle at the end of the diastole is the end-diastolic volume (EDV). Likewise, the volume of blood left in a ventricle at the end of systole (contraction) is the end-systolic volume (ESV). The difference between EDV and ESV is the stroke volume (SV).

The ejection fraction is inherently a relative measurement—as is any fraction, ratio, or percentage, whereas the stroke volume, end-diastolic volume, or end-systolic volume are absolute measurements.

Calculation of LVEF has essential diagnostic, prognostic, and therapeutic implications, and a rapid, accurate, reproducible, and non-invasive method of calculating it would be desirable. 

Last but not least, Left ventricular ejection fraction (EF) is an important parameter in the diagnosis and treatment of patients with coronary heart disease. 

References: Ejection FractionThe volume of bloodEjection Fraction measurement  

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