Category Archives: Technology

These Fractions Weren’t in High School Math

When examining your heart, Dr. Smith uses various diagnostic tools. An important one is called the ejection fraction, and it refers to the amount, or percentage, of blood that is pumped out of the ventricles with each contraction. Here’s some more information about the ejection fraction. How it works With each heartbeat, your heart squeezes […]


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Macy C. Smith, Jr., MD, FACC, FHRS