NEJM
https://www-nejm-org.proxy.lib.duke.edu/doi/full/10.1056/NEJMvcm1806474
I think it’s particularly challenging to teach about neck veins probably because it’s been a while since I studied anatomy, and also, it is hard to demonstrate findings on most of our healthy patients, not in heart failure. This is an amazing video demonstration of how to do this the right way.