In this issue of Circulation, Verdecchia et al'suggest that the diurnal pattern of blood
pressure, evaluated by noninvasive ambulatory monitoring, may be an important factor in
determining the extent of left ventricular hypertrophy (LVH) in hypertensive patients. It
illustrates the point that the introduction of a new diagnostic technique often raises as many
questionsas answers. The rationale for the introduction of ambulatory monitoring as a
clinically useful diagnostic tool was provided by both the increasing awareness of the …