Tachycardia, Sinus


Sinus Tachycardia

Sinus Tachycardias

Tachycardias, Sinus

Simple rapid heartbeats caused by rapid discharge of impulses from the SINOATRIAL NODE, usually between 100 and 180 beats/min in adults. It is characterized by a gradual onset and termination. Sinus tachycardia is common in infants, young children, and adults during strenuous physical activities.