What is the best approach to the evaluation of resting tachycardia for an adult?

Abstract

The best evidence about the diagnostic evaluation of resting tachycardias in adults is currently outlined by practice guidelines. 1 Initial evaluation includes clinical history, physical examination, and 12-lead electrocardiogram (ECG). If the initial evaluation suggests a sinus tachycardia with narrow QRS complexes and no identifiable secondary cause, a 24-hour Holter monitor is usually recommended (strength of recommendation: C, based on expert opinion).