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.
Xanax is a Central Nervous System (CNA) depressant known as benzodiazepine which is commonly prescribed by physicians to treat panic attacks, nervousness, and tension. Xanax, also known as alprazolam and considered to be a Schedule IV controlled substance under the Controlled Substance Act (CSA).anax is a Central Nervous System (CNA) depressant known as benzodiazepine which is commonly prescribed by physicians to treat panic attacks, nervousness, and tension. Xanax, also known as alprazolam and considered to be a Schedule IV controlled substance under the Controlled Substance Act (CSA).