Magan Medical Clinic, Inc.

Cardiovascular Lab

The Cardiovascular Lab at Magan Medical Clinic is proud to offer state of the art testing to our patients in the San Gabriel Valley. Dr. Darrell Walter is a board certified Cardiologist and Interventionist who oversees the testing done at our facility. As part of our clinics mission to provide high quality medical care we are proud to be accredited by both the Intersocietal Accreditation Commission in Echocardiography and the Intersocietal Commission for the Accreditation of Nuclear Medicine Laboratories.

The Physicians at Magan and qualified physicians in the area may order testing done at our facility to help diagnose and treat a variety of cardiovascular problems. Our department is staffed with highly trained personnel who will explain how the test is done and give the patients instructions regarding the tests that their doctor has ordered. Our Cardiovascular Technicians perform the tests, monitoring the patient, as needed depending on the test ordered. Safety is always our first concern and emergency personnel and equipment are always available during any of our testing.

Tests that are available at the Magan Cardiovascular Department include:

  • Electrocardiograms (ECG/EKG)
  • Exercise Treadmill Stress Tests
  • Holter Monitoring
  • Event Monitoring
  • Arterial Pressure Studies
  • Non-invasive Arterial Imaging
  • Non-invasive Venous Imaging
  • Echocardiography
  • Stress Echocardiography
  • Nuclear Cardiac Imaging
  • Nuclear Cardiac Stress Imaging
  • Pacemaker Testing (Monitoring)
  • Defibrillator Testing (Monitoring)


Provider List

Provider Name Location Specialty
Erin E. Prieto M.S., B.S., P.A-C. Covina - 420 W Rowland St Cardiology, Cardiovascular Lab
Walter, Darrell M.D., F.A.C.C. Covina - 420 W Rowland St Cardiology, Cardiovascular Lab