tocainide
Definition
Noun: 1. A specific antiarrhythmic medication: Tocainide is a pharmaceutical drug classified as a Class Ib antiarrhythmic agent. It is used to treat and manage certain serious, life-threatening irregular heart rhythms, specifically ventricular arrhythmias, when other, typically safer, treatment options have proven ineffective or unsuitable.
Usage Examples
- Noun:
- The cardiologist prescribed tocainide for the patient's refractory ventricular tachycardia.
- Due to its potential side effects, tocainide is generally considered a second-line therapy.
- The use of tocainide requires careful monitoring of the patient's cardiac and neurological status.
Advanced Usage
- Therapeutic Use: Tocainide functions as a sodium channel blocker, stabilizing the heart's electrical activity to prevent rapid and disorganized ventricular contractions. Its use is now limited in many regions due to the availability of alternative drugs with better safety profiles.
- Clinical Context: It is often discussed in medical literature and practice within the context of "treatment-resistant" or "drug-refractory" arrhythmias.
Variants and Related Words
- Tonocard (n): The former brand name under which tocainide was commonly marketed.
- Antiarrhythmic (n/adj): The general class of drugs to which tocainide belongs; a drug used to treat irregular heart rhythms.
Synonyms
- Antiarrhythmic agent: A general term for any drug used to correct cardiac arrhythmias.
- Sodium channel blocker: Describes the specific pharmacological mechanism of action for tocainide and similar drugs.
Notes on Usage
- Technical Term: "Tocainide" is a highly specialized term used almost exclusively in medical, pharmaceutical, and clinical contexts. It is not used in everyday conversation.
- Precise Meaning: It refers specifically to the chemical compound itself. When discussing treatment, one would typically say "prescribe/administer tocainide" or "be on tocainide therapy."
Noun
-
antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed
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