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.
the state or fact of being the firstborn of children of the same parents. Law. the system of inheritance or succession by the firstborn, specifically the eldest son.