Clinical study
Cold pressor test in aortic stenosis and idiopathic hypertrophic subaortic stenosis: Preliminary report

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Abstract

The cold pressor test produced pulsus alternans in 5 patients with aortic stenosis but no alternation in 4 patients with idiopathic no alternation in 4 patients with idiopathic hypertrophic subaortic stenosis. The diagnostic implications and the probable hemodynamic mechanism of this response are presented.

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