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Michael C. Slack, MD

Academic Title:


Primary Appointment:


Additional Title:

Director, Pediatric and Congenital Interventional Cardiology

Education and Training

Medical Degree:  Uniformed Services University of the Health Sciences

Residency:  Walter Reed Army Medical Center/National Capital Consortium - Pediatrics

Fellowship:  Texas Children’s Hospital/Texas Heart Institute/Baylor College of Medicine – Pediatric Cardiology

Sub Fellowship:   Texas Children’s Hospital/Texas Heart Institute/Baylor College of Medicine -- Interventional Pediatric/Congenital Cardiology 

Board Certification:  Pediatrics, Pediatric Cardiology


Michael C. Slack, MD, is Director of Pediatric and Congenital Interventional Cardiology at the University of Maryland Medical Center. Prior to that, he spent 15 years at the Children’s National Medical Center.  There, he served as director of the cardiac catheterization laboratories.  He also established the Adult Congenital Interventional Cardiac Catheterization Program at MedStar Washington Hospital Center.

Dr. Slack completed a pediatric residency at Walter Reed Army Medical Center.  This was followed by a tour of duty as a pediatrician in Germany.  He continued his training with fellowships in pediatric cardiology and congenital interventional cardiology at Texas Children’s Hospital and Baylor College of Medicine.  He then served as faculty at Walter Reed.  At the end of his Army service, Dr. Slack entered private practice in Arizona serving as director of Congenital Interventional Cardiac Catheterization at Phoenix Children’s Hospital and St. Joseph’s Medical Center.

Dr. Slack’s clinical interests include complex interventional therapies for congenital heart disease in infants, children, and adults age patients.  Additionally, Dr. Slack performs interventions for some forms of Adult Structural heart disease.   An avid clinical researcher, he has been a principle site investigator for many key cardiac device trials for both congenital and adult structural heart diseases.  He also initiated a national effort in collaboration with NIH to develop methods which would allow “X-Ray Free” cardiac catheterization in children and adults.

Research/Clinical Keywords

Congenital Interventions, Adult Congenital Heart Disease, Intravascular Stents, Percutaneous Pulmonary Valve Replacement, Percutaneous Mitral Valve Repair, PFO Closure, Septal Defect Closure, Pediatric Cardiology, Pediatric Cardiac Intensive Care, Coronary Fistula Closure, Celiac Artery Stenosis.

Highlighted Publications

Rogers T, Slack M, Waksman R. Overview of the 2016 US Food and Drug
Administration Circulatory System Devices Panel Meeting on the Amplatzer Patent
Foramen Ovale Occluder. Am J Cardiol. 2017 Jan 1;119(1):153-155. doi:
10.1016/j.amjcard.2016.09.026. PubMed PMID: 27810099.

Gulgun M, Slack M. Percutaneous closure of a coronary fistula with single
Amplatzer Vascular Plug II in a five-month-old female: The youngest case report.
Rev Port Cardiol. 2016 Feb;35(2):117.e1-3. doi: 10.1016/j.repc.2015.08.003.
PubMed PMID: 26852309.

Grant EK, Faranesh AZ, Cross RR, Olivieri LJ, Hamann KS, O'Brien KJ, Hansen
MS, Donofrio MT, Lederman RJ, Ratnayaka K, Slack MC. Image Fusion Guided Device
Closure of Left Ventricle to Right Atrium Shunt. Circulation. 2015 Oct
6;132(14):1366-7. doi: 10.1161/CIRCULATIONAHA.115.013724. PubMed PMID: 26438770;
PubMed Central PMCID: PMC4707444.

Sandeep N, Slack MC. Percutaneous management of coronary sinus atrial septal
defect: two cases representing the spectrum for device closure and a review of
the literature. Cardiol Young. 2014 Oct;24(5):797-806. doi:
10.1017/S1047951114000353. Review. PubMed PMID: 24666783.

Colyer JH, Ratnayaka K, Slack MC, Kanter JP. Renal artery stenosis in
children: therapeutic percutaneous balloon and stent angioplasty. Pediatr
Nephrol. 2014 Jun;29(6):1067-74. doi: 10.1007/s00467-013-2730-2. PubMed PMID: