Why EF of 35%

[jrcsheffield]

Please check my profile for my story.Why is an EF of 35% often mentioned on here? Is it the way the Echo scan is read by the operator perhaps?

[Cruiser25]

Not being medically trained, but researching my own 38% ejection fraction, I've found the figure of 35% seems to be the level at which a diagnosis of heart failure (hate this term) is made.

However, the readings can differ & interpretation of echo results, and the figure is more of a calculated & experienced opinion of what volume is ejected on each beat....up to 10% +/-

However not everyone at this figure of 35% will be diagnosed, a whole host of other tests, capabilities, damage, scarring etc also figures, as does general fitness and capability to exercise, all come into the overall pool of information, upon which decisions and advice is then made. Oh yes then there's the medication, there are loads of varying meds and levels of meds to go for.

So I guess a line is pretty much always drawn somewhere, so I guess why not 35 😜

[Shar28]

I was told by a cardiologist that the EF of 35% is used in clinical studies but theres no clinical study to show whether that figure is scientifically significant as oppose to say EF 37% or say 33%. It was selected as a “best guess” figure.

[jrcsheffield]

Well it has happened again....whilst looking for a reason for another ischemic stroke the echo-scanner was interpreted to report a 35% Ejection fraction which would be a disappointment as last MRI showed 48%. 18months ago, Queried with the Prof who says this is good news if it was 35% on echo scan,48% on MRI 18 MONTHS AGO it is now 35% on echo scan then if we re scanned on MRI it would show 48% so no change.

Lease I think this is what he meant? Either way not dropped but no improvement in 18 months despite trial Dapagliflozin