atrial flutter to paroxysmal atrial tachycardia with block when digitalis administration was excessive was repeatedly documented in one case (V.K.). Roentgenograms By definition the patients in this series had extreme enlargement of the left atrium, which extended either to the right chest wall or to within approximately one centimeter of it.
parenthood definition, meaning, what is parenthood: the state of being a parent: . Learn more.
Parenthesis (rhetoric) In rhetoric, a parenthesis (plural: parentheses; from the Greek word ÏÎ±ÏÎ­Î½Î¸ÎµÏÎ¹Ï parÃ©nthesis, which comes in turn from words meaning alongside of and to place) or parenthetical phrase is an explanatory or qualifying word, clause, or sentence inserted into a passage.