cardialgia means cardialgy; heartburn.
Etymology
By surface analysis, cardi- + -algia.
noun
- cardialgy; heartburn“And although Sack had been formerly very familiar to him, he was now forced to shun it, and all strong Drinks, because they would infallibly produce a Cardialgia, a pulsant throbbing of the Heart, and labouring in his Breast: […]”