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Most patients with arterial disease of the lower extremities have ather- osclerosis, frequently termed arteriosclerosis obliterans (ASO). Thera- peutically, both medical and/or surgical approaches are in order. Surgically, local manifestations of the disease can. be treated very effectively by endarterectomy or bypass procedures. The disease, however, is generalized and can affect more vital organs, so consideration must be given to a number of important factors. in the overall treatment. [ABSTRACT FROM AUTHOR]

The purpose of tins study is to consider photoelectric plethysmometry (PEP) in the evaluation of Raynaud's Disorders. In a previous paper (1), we demonstrated the usefulness of thermography in similar conditions, but the cost of instrumentation was regarded as a deterrent to its widespread usefulness;. Historically, PEP has not been widely used medically, in spite of its apparent simplicity and low cost. Many of the problems were recognized early in the development of PEP, especially by Hertzmann (2). Frequent use has been made of the technique in psychology as has been reviewed by Weinman (3). Stimultaneous investigation of thermography and photoelectric plethysmometry has been reported by Wouda (4). In spite of a number of problems reviewed in the discussion which follows, it appears that the method shows sufficient promise to warrant further investigation. To suggest a more guarded attitude regarding the exact measurement recorded, the term plethylsmometry is used herein instead of a more usual, plethysmography. [ABSTRACT FROM AUTHOR]

Focuses on the measurement of induced temperature transients in Raynaud's disease through thermography. Criteria used for diagnosis of Raynaud's disease; Effects of environmental temperature on rewarming time of patients with Raynaud's disease; Composition of thermograph.