The author has collected a large amount of useful data on this subject and arranged them so that the reader can obtain a clear insight into the present status of hypotension. He has systematically outlined the conditions and diseases in which hypotension occurs. The temporary hypotension observed in surgical shock is duly considered, and the relation of this hypotension to decreased blood volume is discussed. Dehydration in cholera is considered the cause of the decreased blood volume and hypotension. Postural hypotension, on the other hand, is attributed to a disturbance of the vasomotor system.
The author presents in detail the different views regarding the relation of the suprarenals to blood pressure. He accepts the evidence that the suprarenal cortex is the necessary portion of the gland for maintaining normal blood pressure. Addison's disease is considered the most clearly defined clinical example of chronic hypotension. He discusses the lack of uniform