The combination of subcutaneous emphysema, rapid respirations, and abdominal rigidity is commonly referred to as the Anderson triad.
Subcutaneous emphysema, rapid respirations, and abdominal rigidity seen in esophageal rupture, such as in Boerhaave’s syndrome is referred to as Anderson Triad.
In addition, there is another Andersen triad in Cystic Fibrosis, although that is generally no longer used in medical literature. The combination of malabsorption and fat-soluble vitamin (A, D, E, K) deficiency in a background of cystic fibrosis was referred to as Andersen triad. (Andersen with an “E”, not an “O”).
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