Neonatal atrial flutter: Three cases and review of the literature

Atrial flutter (AFl) is known to be a seldom type of fetal and neonatal arrhythmia.Although it could end in severe morbidities such as hydrops fetalis or even death, with early prenatal diagnosis and prompt therapeutic approaches the majority valhalla axys of AFl cases show good prognosis.Neonatal AFl might be resistant to first step therapies.Ther

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Analysis of St. 42 Steel Hardness After Being Heated to 8000c And Quickly Cooled With Fresh Water by Applying Rockwell Method

The hardness of machine components which, in read more operation time, collide and rub against each other and are made of St.42 steel needs to be found out.Therefore, research on the hardness of St.42 steel especially those which are heated needs to be carried out so that it can be chosen as machine component properly.This research tests the change

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