These include sweating, anorexia, nausea and heartburn. Tightness in the chest is an early local symptom of respiratory exposure. When overwhelming doses of the agent are absorbed quickly, death occurs rapidly without orderly progression of symptoms. Death usually occurs within 15 minutes after absorption of a fatal VX dosage. The skin may be pale due to vasoconstriction and blood pressure moderately elevated. Although skin absorption great enough to cause death may occur in 1 to 2 minutes, death may be delayed for 1 to 2 hours. If absorption of nerve agent has been great enough, the casualty becomes confused and ataxic.
The lungs and the eyes absorb nerve agents rapidly.
Weapons of Mass Destruction (WMD)
This is followed by involuntary muscular twitching, scattered muscular fasciculations and occasional muscle cramps. These include sweating, anorexia, nausea and heartburn. The secretions may be thick and tenacious. Within a few minutes after the onset of exposure, there also occurs redness of the eyes. If the exposure is more marked, the following symptoms may be evident: Death usually occurs within 15 minutes after absorption of a fatal VX dosage.