Frank Seghatol, MD, Cardiovascular Fellow Raja Zaghlol, MD

The Cardiac Diagnostic Laboratory at Washington University School of Medicine and Barnes-Jewish Hospital provides state-of-the art echocardiographic imaging, combined with a long tradition of clinical excellence and innovation. The Cardiac Diagnostic Laboratory performs over 30,000 2-D echocardiograms per year, and is actively involved with structural heart imaging through the Valvular Heart Disease Center.

The physician staff of the Cardiac Diagnostic Laboratory has unique extensive experience in performing echocardiographic studies, with expertise in diagnosing uncommon conditions, and are contributors to the second edition of the Washington Manual of Echocardiograpy.

The Cardiology Division, in partnership with the Mallinckrodt Institute of Radiology, provides state-of-the-art multi-modality imaging, with an experienced staff of cardiac radiologists.


Clinical expertise

Cardiac Diagnostic Laboratory

  • 2-D and 3-D echocardiography and advance Doppler techniques
  • 2-D and 3-D transesophageal echocardiograhy
  • Stress echocardiography
  • Echocardiographic strain and strain-rate imaging
  • Congenital Heart Disease
  • Structural heart imaging for percutaneous placement of aortic, mitral and tricuspid valves as well as in dysfunctional prosthetic valves 
  • Structural heart imaging for percutaneous placement of closure devices for patent foramen ovale and atrial septal defects
  • Structural Heart Imaging for percutaneous placement of occluder devices for left atrial appendage
  • Diagnosis and treatment of Hypertrophic Cardiomyopathy utilizing advanced echo-Doppler techniques
  • Diagnosis and follow-up of patients with Pulmonary Hypertension
  • Diagnosis and follow-up of patients with Marfan’s Syndrome and other diseases of the aorta
  • Echocardiographic follow-up and monitoring for heart transplant patients

Mallinkrodt Institute of Radiology

  • Cardiac computed tomography angiography (CCTA)
  • Cardiac magnetic resonance imaging (MRI)
  • Stress perfusion imaging
  • Cardiac positron emission tomography (PET)
  • PET/MRI imaging

Contact information

Referring Physicians: 314-362-1291
Patients: 314-362-1291 or 888-210-8375

Barnes-Jewish West County Hospital

Barnes-Jewish West County Hospital

Heart & Vascular Center in West County

Center For Advanced Medicine (CAM)

Center For Advanced Medicine (CAM)

Washington University and Barnes Jewish Heart & Vascular Center

Monday – Friday: 9 am – 4 pm and Saturday: 9 am – 1:30 pm

Center for Advanced Medicine (CAM) South County

Center for Advanced Medicine (CAM) South County

Heart & Vascular Center in South County