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Aim. To investigate on the electrocardiographic specifics of sportsmen at various stages of training and competition processes according to the sport type, intensity and training load type. Material and methods. Totally, 136 male sportsmen assessed. Qualified sportsmen 116 persons (groups of improvement and mastery, age 22,07±4,10 y.o., in-sport time 5-15 years) were selected to the groups: I — wrestling (n=30), II — ski racing, biathlon (n=27), III — powerlifting (n=33), IV — volleyball (n=26). Group V — the controls (n=20), age 17,95±1,55 y.o., in-sport less than 3 years. Study methods were electrocardiography (ECG), Holter monitoring of ECG, echocardiography (EchoCG), veloergometry (VEM). Results. During the preparation period of training-competition process, ECG changes, including cardiac rhythm disorders (CRD), were found in 93 of 136, that is 86 (63,2%) of quality sportsmen and 7 (5,1%) of controls (p=0,00001); during competition period — in 104 (76,5%) and 8 (5,9%) (p=0,00001), respectively. The prevalence of ECG changes in quality sportsmen at preparation tranings was 116 cases, in competition period — 165 (p

Les troubles du rythme cardiaque mal tolérés du nouveau-né sont une véritable urgence nécessitant une prise en charge rapide et adéquate. Nous rapportons le cas d'un nouveau-né de 15 jours présentant une tachycardie atriale en défaillance cardiaque aiguë ayant nécessité une cardioversion électrique.

The article presents a clinical observation of two patients with generalized sarcoidosis. The woman typical granulomatous changes in the lungs and lymph nodes combined with atrial fibrillation, kidney failure and hereditary thrombophilia, men with atherosclerotic coronary arteries, re-myocardial infarction, cholestasis, tubulointerstitial nephritis. The accession of systemic manifestations was accompanied by increase of level of angiotensin-converting enzyme in the blood serum, morphological examination of lung tissue in both cases there were high histological activity of vasculitis and granulomatous inflammation. Extrapulmonary symptoms regressed when conducting immunosuppressive therapy. Discusses modern aspects of diagnosis of sarcoidosis in clinical practice.