Initial deck: simple facts.
More advanced decks, after simple facts are memorized: concept-based.
Example:
Front: Rotator cuff tear - diagnosis? Why would this make sense?
Back: MRI is generally better for soft tissue; you wouldn't use a CT scan, which is much better for bone. Remember that X-rays / CTs generally work by shooting high-frequency electromagnetic radiation "X-rays" at tissue - if the tissue has dense elements like Ca++ in bone, the X-rays will be reflected back by the dense elements. This is why X-rays and CTs are good for detecting dense things like blood (iron in heme is dense), bone (calcium is dense) or even why we use contrast (things like barium or iodide are dense elements)
Do doctors keep this much in their heads? I would have this in a notes system that I could recover by searching for "rotator cuff" during the appointment. I know I'd never remember it all, but maybe with Anki I would.
If this is your field, it's really not any different from:
Front: Computer noise: top differential diagnosis? How dos this make sense?
Back: Check the fans for dust. Plastic...static electricity...etc
The point is that it's not necessary to review individual facts anymore because the concepts require their utilization, so it's just "common sense" knowledge to physicians.
Of course, the knowledge from one physician to the next can vary greatly.
I work in a university hospital as a neuroradiologist. I've used Anki extensively during my studies and my specialist training. Now I use it to memorize thousands of image diagnosis patterns and differential diagnosis. 'You can't diagnose (or see) what you don't know', which means using an extensive note system is insufficient. I recommend Anki to all the radiologists (and doctors in general) training in our institute.
Example:
Front: Rotator cuff tear - diagnosis? Why would this make sense?
Back: MRI is generally better for soft tissue; you wouldn't use a CT scan, which is much better for bone. Remember that X-rays / CTs generally work by shooting high-frequency electromagnetic radiation "X-rays" at tissue - if the tissue has dense elements like Ca++ in bone, the X-rays will be reflected back by the dense elements. This is why X-rays and CTs are good for detecting dense things like blood (iron in heme is dense), bone (calcium is dense) or even why we use contrast (things like barium or iodide are dense elements)