الفهرس 
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Abstract
Asthma is considered a chronic inflammatory disease with remodeling of the airways characterized by variable airflow limitation which can be reversed with or without treatment therapy.
It shows high prevalence among millions of people throughout all countries and very common in pediatric age group not only causing morbidity but also consider a heavy burden on families and health car system.
There is a strong relation between cardiovascular system and chest diseases due to recurrent attacks of hypoxemia and hypercapnia with concomitant release of cytokines and other inflammatory mediators causing chronic airway inflammation and pulmonary vasoconstriction with subsequent development of pulmonary hypertension and possible affection of the right ventricular structure in the form of dilatation or hypertrophy and right ventricular function.
Aim of this study was to evaluate systolic and diastolic ventricular function in children with bronchial asthma using tissue Doppler imaging and speckle tracking Echocardiography.
The study was done in department of Pediatrics, Kafrelsheikh University in collaboration with cardiac and chest departments. Two age and sex matched groups included 60 asthmatic children and 60 healthy group were studied and investigated about cardiac functions. Children with known cardiac diseases, congenital anomalies or obese were excluded from the study. Included children were subjected to history taking, examination, spirometry and echocardiographic evaluation.