The person can also breathe pretty fast and possess both an extremely rapid or pretty sluggish heartbeat. Sometimes the person's breath can scent like bitter almonds, though this can be tough to detect. An antidotal combination of inhaled amyl nitrate and intravenous sodium nitrite and sodium thiosulfate are often indicated. https://cashpmhbw.bloguerosa.com/28990485/indicators-on-potassium-cyanide-photography-you-should-know