An interview conducted by a doctor who has been treating patients with low carb diets for weight loss for many years interviewing a researcher who has done a lot of work with exogenous ketones. Two people I think very highly of their knowledge.

https://www.youtube.com/watch?v=a502ahKicAs#mce_temp_url#

A ketogenic diet is a low carb diet (and can be validated by measuring ketones in the blood) but a low carb diet is not necessarily a ketogenic diet. It has to be very low carb to get to ketosis.