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.
V-agents: Second generation post second world war nerve agents includes VX-gas. They are all organophosphates significantly more potent than Sarin and the first generation nerve gasses. VX-Gas: One of the V-agents (discovered in 1949)far more persistent than the first generation nerve agents.