According to G.W. Bailey, he left the series after the first season because he did not get along with executive producer Bruce Paltrow.
You're a pig, Ehrlich.
Throughout the series, Dr. Daniel Auschlander suffers from late-stage Liver Cancer and yet he is seen repeatedly as drinking "very good" Scotch after hours with his staff in his office. Alcohol consumption only aggravates Liver Cancer and hastens death.
After the credits, they show the MTM kitten wearing a surgical mask and smock to match the show. In final episode, the MTM kitten is shown underneath the credits, hooked up to life-support. At the end of the credits, the kitten flatlines.
The VHS "Best of St. Elsewhere" version of the final episode, "When the Fat Lady Sings," uses the standard surgical-mask MTM logo for the series, and not the flat-lining kitten logo.