But the most common uses for HGH are not FDA-approved. Some people use the hormone, along with other performance-enhancing drugs such as anabolic steroids in an attempt to build muscle and improve athletic performance. Yet HGH's effect on athletic performance is unknown.
Right ventricle to coronary artery connections (fistulae) in pulmonary atresia with intact ventricular septum: Clinical and histopathological correlations Right ventricle to coronary artery connections (fistulae) in pulmonary atresia with intact...
Freebase(0.00 / 0 votes)Rate this definition: Pulmonary atresia is a congenital malformation of the pulmonary valve in which the valve orifice fails to develop. The valve is completely closed thereby obstructing the outflow of blood from the heart to the lungs.