How to Pronounce Heart Failure with Mid-Range Ejection Fraction

Say it like this: HART FAYL-yer with MID-RAYNJ ee-JEK-shun FRAK-shun. Break it into chunks: first say "HART FAYL-yer" (the main condition), then "with MID-RAYNJ" (the range part), then "ee-JEK-shun FRAK-shun" (the measurement part). The stress falls on HART, FAYL, and JEK.

The word has three stressed syllables: HART (in 'heart'), FAYL (in 'failure'), and JEK (in 'ejection'). A common mistake is stressing the wrong part of 'ejection'—people sometimes say ee-JEK-shun, but the stress should land firmly on JEK, not on the ee at the beginning.

Ejection fraction is simply a measurement of how much blood the heart pumps out when it squeezes. Think of it as a percentage—like saying "the heart is pumping 45% of its blood supply with each beat." The 'mid-range' part means this percentage falls in the middle zone, between two other categories.

The short form is HFmrEF, which stands for Heart Failure with mid-range Ejection Fraction. You pronounce it letter-by-letter: H-F-M-R-E-F, or you can say the full term if that's clearer in conversation.

Ejection comes from the Latin word 'eicere,' meaning 'to throw out' or 'to push out.' Fraction comes from the Latin 'fractus,' meaning 'broken' or 'divided into parts.' Together, 'ejection fraction' literally means the divided or separated portion that gets pushed out—in this case, the percentage of blood the heart ejects.

Here's the full breakdown: HART / FAYL / yer / with / MID / RAYNJ / ee / JEK / shun / FRAK / shun. It's a long phrase, but taking it piece by piece makes it much easier to say out loud.

People often mispronounce 'ejection' as ee-JEK-shun when they rush through it, or they stress the wrong syllable in 'fraction' (FRAK vs. frak-SHUN). The correct way is to stress the first syllable of each word: ee-JEK-shun and FRAK-shun, with strong emphasis on JEK and FRAK.

You might hear: "The cardiologist explained that her condition is classified as heart failure with mid-range ejection fraction." Or: "This patient's ejection fraction measurements fall into the mid-range category."

Other medical terms using 'ejection' include reduced ejection fraction (REF) and preserved ejection fraction (PEF)—these are the two categories on either side of mid-range ejection fraction. All three use the same 'ejection' word part, meaning they're all about measuring how much blood the heart pumps out.