I was diagnosed by Dr. Klimas recently with POTS, and in doing research on it, I found many links to articles calling POTS 'Grinch Syndrome', named for the Dr. Seuss character because most sufferers have hearts that really are "two sizes too small." Have any of you with POTS been told your heart is physically 'too small'? Here's a link...There are many. http://bodyodd.msnbc.msn.com/_news/...t-pounding-help-for-grinch-syndrome-sufferers Chronic Fatigue Syndrome is an insulting 'label' and 'grinch syndrome' is also insulting! Has anyone seen this before?