A 67-year-old man recently underwent radical neck surgery for pharyngeal cancer. Three days later, he developed severe muscle twitching and spasms, as well as sharp chest pain. An ECG was obtained.
What is the diagnosis?
To submit your diagnosis, go to http://circ.ahajournals.org/letters/submit/circulationaha;128/7/758. The diagnosis will follow in next week’s issue (August 20).
- © 2013 American Heart Association, Inc.