Taking similar vitamin products together can result in a vitamin overdose or serious side effects. Seek emergency medical attention if you think you have used too much of this medicine. An overdose of vitamins A, D, E, or K can cause serious or life-threatening side effects.
Watch an Overview of Pediatric Pulmonology. Pediatric pulmonology is a highly specialized field of pediatric medicine focused on the care of infants, children and adolescents suffering from pulmonary disorders, such as lung disease and related conditions.
Pulmonary valve stenosis. Pulmonary valve stenosis is a narrowing of the pulmonary valve â the valve that separates the lower right chamber of the heart (right ventricle) from the main blood vessel leading to the lungs (pulmonary artery).Narrowing (constriction) of the pulmonary valve reduces blood flow to the lungs.etralogy of Fallot occurs during fetal growth, when the baby's heart is developing. While factors such as poor maternal nutrition, viral illness or genetic disorders might increase the risk of this condition, in most cases the cause of tetralogy of Fallot is unknown.