The second toe healed beneath the area of superficial gangrene. Only the paresthesias remained from his sympathectomy. He was fully ambulatory and traveled abroad on business. As an engineer, this man was sufficiently sophisticated to take the boot home and treat himself properly His vascular tests documented the improvement in blood flow suggested b the appearance of his feet. He developed relatively narrow waveforms with sharp upstrokes.
Most patients increase the amplitude of their waveforms with less narrowing.