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 we know about VX nerve agent that allegedly killed Kim Jong Nam. The fast-acting poison used in the apparent assassination of Kim Jong Nam at a crowded airport terminal in Malaysia last week was the banned chemical weapon VX nerve agent, according to police. Kim Jong Nam is the estranged half-brother of North Korean leader Kim Jong Un.