ional distress cause of action, a plaintiff must provide competent medical evidence to prove the existence of emotional distress. Kazatsky u King David Memorial Park Inc, 515 Pa. 183, 527 A2d 988, 995 (1987); see Hunger v. Grand Central Sanitation, 447 Pa.Super. 575, 670 A.2d 173 (1996) (holding that, to preva