Here's an excellent case from the guys at LITFL to introduce the tricky diagnostic conundrum of...
Compartment Syndrome
And some more pearls and pitfalls on how to deal with this difficult condition.
Compartment Syndrome....Pearls and Pitfalls
Joint Aspiration
1.Knee Aspiration
Here is a basic approach to knee joint aspiration
2. Ankle Aspiration
Less common, slightly trickier and slightly lower on the leg than the knee...is the ankle.
Want to use ultrasound? Do you? Well you can...