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.
Background information and notes Edit. 1  Sentox is a fictional variant of the real nerve gas known as VX. 2  Nerve gasses are clear and colorless, and they can be odorless or have a slightly sweet smell. 3  They enter the body through the air or on contact with the skin.