Symptoms for Acute Onset of Severe Myocarditis. While there are several contributing factors that may lead to myocarditis, the primary cause is viral. Myocarditis usually results from the Coxsackie B virus, and may also result from measles, influenza, chicken pox, hepatitis virus, or the adenovirus in children. If an acute onset of severe myocarditis occurs, a patient may display the following symptoms:
Medical Definition of toxic. 1  1: containing or being poisonous material especially when capable of causing serious injury or death toxic drugs toxic gas. 2  2: of, relating to, or caused by a poison or toxin toxic liver damage. 3  3a: affected by a poison or toxinb: affected with toxemia of pregnancy toxic pregnant women.
Poisoning (Definition) 1  Toxic ingestion (also called poisoning) is a condition in which a person has eaten or drank a substance that causes ill symptoms or damage to his body. Taking an overdose of a medicine, taking any dose of a poison, drinking too much vodka, or accidentally drinking antifreeze . . . are all examples of toxic ingestions.