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.
VX Gas or VX Vapor. Iraq, for example, was at one time an admitted producer of 3.9 tons of VX. Syria is believed to have its advanced (with North Korean guidance technology) SCUD-D missiles equipped with VX warheads aimed at Israel. VX is a nerve agent involving organic phosphorous compounds and sulphur. It works essentially by penetrating the skin and disrupting the transmission of nerve impulses. 1  Following release of VX into the air, people can be exposed through skin contact, eye contact, or inhalation (breathing in the VX mist).