A31-year-old woman with a congenital heart defect reports episodes of lightheadedness and syncope, with occasional palpitations. a resting ecg reveals sinus bradycardia, and she is suspected to have sick sinus syndrome. which diagnostic method is the best choice to investigate the suspicion?

Holter monitoring

Explanation:

A Holter monitor is referred to as or known as a small medical device which powered by a battery that tends to measures an individuals heart activity, example rhythm and rate. In this the doctor might ask an individual to use the device if they tend to need more data and information regarding their heart function.

answer; the parasympathetic nervous system;