The Adventure of the Italian Nobleman: a Hercule Poirot Short Story

An Italian count telephones his doctor's office, screaming for help. The woman who answered the call quickly locates the doctor. He's actually enjoying the evening at the home of Hercule Poirot. But when help arrives at the count's hotel room, in the form of his doctor along with Poirot and Hastings, he is already dead. It's murder. Why did he call? What happened?

Librarian's note: this entry is for the story, "The Adventure of the Italian Nobleman." Collections of short stories by the author can be found elsewhere on Goodreads. Individual entries, including the characters and settings, for all 51 Poirot short stories, plus a 52nd, "Hercule Poirot and the Greenshore Folly" which was discovered in 2014, can be found by searching Goodreads for: "a Hercule Poirot Short Story."