Ryan M. Callahan, M.D., FSCAI
	 
							
	
					
		Ryan M. Callahan, M.D., FSCAI
		
		Children's Hospital of Philadelphia
		Wayne, 
		PA
		USA
	
 
	
	
Biographical Sketch: Ryan Callahan MD is an interventional pediatric cardiologist at the Children’s Hospital of Philadelphia and an Assistant Professor of Pediatrics at the Perelman School of Medicine at the University of Philadelphia. His interests include pulmonary vein stenosis, fetal interventions in fetuses with congenital heart disease and coronary artery disease and anomalies in pediatric and young adult patients.  
	
Papers: