Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Effect of Spontaneous Ventilation Versus Controlled Ventilation on Lung Atelectasis Assessed by Lung Ultrasound in Children.
Brief Summary: This is an observational study to compare the effect of spontaneous ventilation versus controlled ventilation on lung atelectasis using lung score measured by lung ultrasound. the study will be conducted in children hospital of Cairo University Hospitals and study population will be : children aged from one to eight years of age. primary outcome will be the lung score measured by lung ultrasound.