Syncope in childhood is very common. The vast majority of episodes are benign, and are
due to neurocardiogenic syncope. Only a minority are due to something potentially more …

Reflex syncope is a common medical problem. Vasovagal reflex syncope is the most
frequent form. Although the prognosis of the disorder is excellent, it may impose substantial …

Objectives: We sought to assess the cost implications of two investigation strategies in
patients with unexplained syncope. Background: Establishing a diagnosis in patients with …

Objectives: We sought to assess the relative therapeutic efficacy of propranolol, nadolol and
placebo in recurrent vasovagal syncope (VVS). Background: Central and peripheral …

Objective. To evaluate efficacy of the recently introduced implantable loop recorder (ILR) in
establishing symptom-rhythm correlation in young patients with syncope, near syncope …

Background—Previous reports that used head-up tilt testing and adenosine administration
have suggested that adenosine may be an important endogenous mediator that may trigger …

Background Neurally mediated reflex syncope is the most common cause of transient loss of
consciousness. In patients not responding to nonpharmacological treatment …

Many factors are involved in the development of orthostatic intolerance after real or
simulated weightlessness. The aim of our study was to compare the effects of 7-day head …

Currently, heart rate variability (HRV) is commonly evaluated using time and frequency
domain analysis in the clinical practice. Due to the fact that cardiovascular system is …

Background Syncope, or fainting, affects approximately 6.2% of the population, and is
associated with significant comorbidity. Many syncopal events occur secondary to excessive …