[Syncope in Young Elite Athletes].

Unlabelled: Syncope - one of the most common syndrome in the general population - may be a manifestation of diseases associated with risk of sudden death.

Objective: To evaluate the prevalence, pathogenesis particular syncope, near syncope in children involved in elite sport.

Material And Methods: The study involved 500 young elite athletes aged 9-18 years (mean age 16.

[Microvolt T-Wave Alternans in Adolescent Elite Athletes].

Unlabelled: Microvolt T-wave alternans (MTA) is one of markers of electrical myocardial instability.

Study Aim: to elucidate normal range of MTA parameters during bicycle exercise test (ET) in adolescent elite athletes.

Material And Methods: We examined 500 athletes aged 9-18 (mean 16.

The antiarrhythmic properties of quifenadine, H1-histamine receptor blocker in children with premature beats: a randomized controlled pilot trial.

Despite evolving success of mini-invasive techniques in treating cardiac arrhythmias in children, pharmaceuticals remain the cornerstone therapeutic option. Beyond conventional antiarrhythmic agents such as amiodarone, local anesthetics, tranquilizers, anticonvulsants, and neuroleptics exhibit antiarrhythmic properties. H(1)-histamine receptor blockers are widely used in treating allergies in children.