Definition

1. Noun:
   • A specific antiarrhythmic medication: "Tonocard" is the trade name for the drug tocainide hydrochloride. It is a class 1b antiarrhythmic agent used to treat certain serious, life-threatening irregular heart rhythms originating in the ventricles.

Usage

• "Tonocard" is used specifically in a medical context. It is prescribed by a doctor when other, potentially safer, antiarrhythmic treatments have been ineffective or are not suitable for a patient with ventricular arrhythmias.
• It is typically used in a clinical or pharmaceutical discussion.
• Example:

Examples

• Noun:
  • Due to the risks of serious side effects, Tonocard is reserved for refractory ventricular arrhythmias.
  • The hospital's pharmacy stocked Tonocard for use in critical cardiac care.

Advanced Usage

• "refractory to Tonocard": describes a condition where a patient's arrhythmia does not respond to treatment with this drug.
  • The patient's tachycardia proved refractory to Tonocard, necessitating a different approach.

Variants and Related Words

• Tocainide (n): the generic, non-proprietary name for the drug marketed as Tonocard.
  • Tocainide, sold under the brand name Tonocard, has a narrow therapeutic index.

Synonyms

• Tocainide hydrochloride: The full chemical name of the active ingredient.
• Class 1b antiarrhythmic: The pharmacological classification of the drug.

Noun

1. antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed