cardiacal

[A]n actual progress of the blood in the pulmonary vessels is brought about [by potassium iodide], a phenomenon explaining the incontested superiority of iodine in all dyspnoeas, which have their origin in a disturbed state of the chemism of respiration, as well as in those of a nervous, arithmatic or cardiacal nature, the latter being connected with blood stagnations in the pulmonary vessels.

1892 January 15, “Material Medica and Pharmacy. Digitaline and Iodide of Potassium.”, in Cha[rle]s W. Moore, editor, The Pacific Record of Medicine and Surgery. A Monthly Résumé of Medical and Pharmaceutical Progress, volume VI, number 6, San Francisco, Calif.: [s.n.], →OCLC, page 175, column 1