digitalin
/,didʤi'teilin/
Definition
Noun: - A powerful cardiac stimulant obtained from foxglove: Digitalin is a specific glycoside or mixture of glycosides extracted from the leaves of the foxglove plant (Digitalis purpurea). It is used in medicine to treat certain heart conditions, such as congestive heart failure and atrial fibrillation, by increasing the force of heart muscle contractions and regulating heart rate.
Usage Examples
- Noun:
- The doctor prescribed a precise dosage of digitalin to regulate the patient's heartbeat.
- Historically, digitalin was a crucial drug derived from the common foxglove plant.
Advanced Usage
- Pharmaceutical Context: Digitalin refers to a purified preparation of cardiac glycosides, distinct from the broader term "digitalis," which can refer to the whole plant or its crude extract.
- The purity of the digitalin preparation is critical for safe and effective treatment.
Variants and Related Words
- Digitalis (n): The genus name for the foxglove plant or a drug prepared from its dried leaves.
- Digitoxin (n): A specific cardiac glycoside derived from .
- Digoxin (n): Another specific and commonly used cardiac glycoside derived from .
Synonyms
- Cardiac glycoside: A class of organic compounds that increase heart muscle contraction force.
- Heart stimulant: A substance that excites or increases the activity of the heart.
Noun
-
a powerful cardiac stimulant obtained from foxglove
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