The Canadian in question had moved south to undertake a fellowship in clinical pharmacology. At the time, thiazide diuretics were very commonly used drugs in the treatment of hypertension and fluid retention. These medications often increase the blood level of uric acid, the biochemical substrate for attacks of gouty arthritis, an infrequent but important side-effect.
The transcriptionist, a southern woman, was victimized by her unfamiliarity with "Canadian raising", a speech variation altering and shortening the sounds of vowels in words like house, rice and out; this pattern affects the speech of many speakers in the northern US, as well as in Canada.
You can review poems, pictures and diverse nonsense related to Canada on the post "Canadiana" on our full-service blog "Edifying Nonsense".