1. an abnormally rapid heart rate, typically over 100 beats per minute in adults
Usage: medical

Examples

• The patient was diagnosed with tachycardia after her heart rate reached 120 beats per minute.
• Caffeine can sometimes trigger episodes of tachycardia in sensitive individuals.
• The doctor monitored his tachycardia using an electrocardiogram.
• Stress and anxiety often cause temporary tachycardia.
• The medication helped control her chronic tachycardia.
• Athletes may experience tachycardia during intense exercise.