That the biggest decrease in a patient’s angina symptoms come form telling them the lesion they have isn’t going to cause a problem. Explored more; apparently about a third had symptoms completely improved.

Clinical prediction tools are much better validated to “rule out” than “rule in” the need for intervention.

The “weekend effect” is more likely due to lack of community services than inadequate hospital services.

In low-resources environments (in this case South Africa) a (Free) emergency department visit could cost them about a third of their monthly income.