WebMD Symptom Checker helps you find the most common symptom combinations and medical conditions related to palpitations (fluttering in chest). Click on the combination that matches your symptoms to find the conditions that may cause these problems.
Nerve agents are a class of phosphorus-containing organic chemicals (organophosphates) that disrupt the mechanism by which nerves transfer messages to organs. The disruption is caused by blocking acetylcholinesterase, an enzyme that normally destroys acetylcholine, a neurotransmitter.
Nerve agents are the most toxic of all the weaponized military agents. These agents can cause sudden loss of consciousness, seizures, apnea, and death. Sarin (GB), one of the more commonly stockpiled nerve agents, may be inhaled as a vapor, or cause toxic effects by contact with the skin in the liquid form.VX is mainly a liquid skin hazard at normal ambient temperatures. These chemicals are easily absorbed through the skin, eyes, and lungs.arin (GB), one of the more commonly stockpiled nerve agents, may be inhaled as a vapor, or cause toxic effects by contact with the skin in the liquid form. VX is mainly a liquid skin hazard at normal ambient temperatures.