Term café coronary was coined by
High-Yield Explanation
Cafe coronary was coined by Dr Roger Haugen, Medical examiner of Broward, Florida for impaction of food in the respiratory passage.
The original series of deaths involved well-nourished businessmen dying suddenly & unexpectedly in restaurants & cafes while sitting or shortly after sitting in a chair as if they died of heart attack.
Hence, the name 'cafe coronary'. However, the autopsy reveals a bolus of food in the pharynx or larynx.