Final answer:
Ventricular tachycardia is the kind of dysrhythmia that would describe a heart rate of 140 beats/min originating in the ventricles. It is characterized by a fast heart rhythm that originates in the ventricles.
Step-by-step explanation:
The kind of dysrhythmia that would describe a heart rate of 140 beats/min originating in the ventricles is ventricular tachycardia.
Ventricular tachycardia is a fast heart rhythm that originates in the ventricles, the lower chambers of the heart. It is characterized by a heart rate of more than 100 beats per minute, with a regular or irregular rhythm.
Other symptoms of ventricular tachycardia may include dizziness, chest discomfort, palpitations, and shortness of breath.