This poster offers a basic level of understanding of ABGs for medical students. I have also made an ID-card-sized version which can be easily used on the ward. Students can work around the table, looking at pH, then CO2 and then HCO3- and find the answer in the correct box.
Having an in-depth understanding of the various phases of fracture healing is useful knowledge. I've done my best to aggregate from various sources the step-by-step physiological mechanisms underpinning bone healing via this visual mnemonic.
Picture showing different causes of abdominal pain in the areas which they tend to affect. (note: some of the causes in the Left and right iliac fossa can affect both sides although they are only drawn in one!) http://leadonpaper.blogspot.co.uk/2014/01/the-acute-abdomen.html#more