Drug induced bradycardia may be arranged arbitrarily according to the following classifications. Clinically insignificant or benign asymptomatic bradycardia without important hemodynamic changes ...

Sinus bradycardia is frequently asymptomatic. Heart rates in the 40s and 50s can be tolerated well. When symptoms arise, they manifest as fatigue, dizziness and dyspnea on exertion (including ...

Frequently, sinus bradycardia is asymptomatic. Heart rates in the 40’s and 50’s can be well tolerated. When symptoms arise they manifest as fatigue, dizziness and dyspnea on exertion ...

Asymptomatic sinus bradycardia in child with complex CHD, with resting HR <40 beats/min or pauses >3 s. Patients with CHD and impaired hemodynamics due to sinus bradycardia or loss of AV synchrony.