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.
What was the likely agent: Ricin  17) Which nerve agent is the most persistent, is very oily, and  will stay active in an area for several days: VX   18) An all-hazards approach affects preparedness by allowing  communities to: Increase the speed, effectiveness, and efficiency  of incident management.