Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

Doctors who perform this procedure

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Displaying 1-5 out of 5 doctors available

Last Name Initial: N

  1. Christoph G. Nabzdyk, M.D.

    Christoph G. Nabzdyk, M.D.

    1. Echocardiographer
    2. Anesthesiologist
    3. Critical Care Specialist
    1. Rochester, MN
    Areas of focus:

    Intensive care, Cardioversion, Mechanical circulatory support device implantation, Extracorporeal membrane oxygenation,... Epidural, Anesthesia administration, Echocardiogram, Central venous catheterization, Pulmonary artery catheter insertion, Arterial line placement, Heart disease, Cardiomyopathy, Shock, Sepsis, Pain NOS, ARDS, Delirium, Lung disorder, Endothelial dysfunction, Hemorrhage, Coagulopathy, Acid-base disorder

  2. Tasneem Z. Naqvi, M.B.B.S., M.D.

    Tasneem Z. Naqvi, M.B.B.S., M.D.

    1. Cardiologist
    2. Echocardiographer
    3. Internist
    1. Phoenix, AZ
    Areas of focus:

    Transesophageal echocardiogram, Echocardiogram, Transthoracic echocardiogram, Echo guided biventricular pacemaker optim...ization, Echo guided dual chamber pacemaker optimization, Heart failure, Heart disease, Arteriosclerosis/atherosclerosis

  3. Hema Narayanasamy, M.B.B.S.

    Hema Narayanasamy, M.B.B.S.

    1. Cardiologist
    2. Echocardiographer
    3. Cardio-Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Stress echocardiogram, Nuclear stress test, Transesophageal echocardiogram, Echocardiogram, Atrial fibrillation, Perica...rdial effusion, Pericarditis, Pericardial disease, Dyslipidemia, Constrictive pericarditis, Cardiac complication of cancer treatment

  4. Talha Niaz, M.B.B.S.

    Talha Niaz, M.B.B.S.

    1. Pediatric Cardiologist
    2. Echocardiographer
    1. Rochester, MN
    Areas of focus:

    Genetic testing, Fetal echocardiogram, Echocardiogram, Aortic aneurysm, Thoracic aortic aneurysm, Cardiomyopathy, Marfa...n syndrome, Genetic disorder, Aortic dissection, Congenital heart defects in children, Turner syndrome, Bicuspid aortic valve, Fetal heart disease, Noonan syndrome, Loeys-Dietz syndrome, Vascular Ehlers-Danlos syndrome, Williams syndrome, Truncus arteriosus, Arteritis, Alagille syndrome, Arterial aneurysm, DiGeorge syndrome, Elastin arteriopathy, Microduplication syndromes, Chromosomal disorders, Cutis laxa, Arterial tortuosity syndrome, Thoracic aortic dissection, Myhre syndrome, Microdeletion syndromes, Holt-Oram syndrome, Kabuki syndrome

  5. Vuyisile T. Nkomo, M.D., M.P.H.

    Vuyisile T. Nkomo, M.D., M.P.H.

    1. Cardiologist
    1. Rochester, MN
    Areas of focus:

    Echocardiogram, Heart valve disease

Research Profiles

Aug. 21, 2026
  1. Echocardiogram (echo). American Heart Association. https://www.heart.org/en/health-topics/heart-attack/diagnosing-a-heart-attack/echocardiogram. Accessed Aug. 13, 2026.
  2. Echocardiography. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/cardiovascular-tests-and-procedures/echocardiography. Accessed Aug. 13, 2026.
  3. Electrocardiography. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/cardiovascular-tests-and-procedures/electrocardiography. Accessed Aug. 13, 2026.
  4. Heart tests. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/health/heart-tests. Accessed Aug. 13, 2026.
  5. Ejection fraction heart failure measurement. American Heart Association. https://www.heart.org/en/health-topics/heart-failure/diagnosing-heart-failure/ejection-fraction-heart-failure-measurement. Accessed Aug. 13, 2026.
  6. Testing for heart valve problems. American Heart Association. https://www.heart.org/en/health-topics/heart-valve-problems-and-disease/getting-an-accurate-heart-valve-diagnosis/testing-for-heart-valve-problems. Accessed Aug. 13, 2026.
  7. Cardiac stress testing. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/cardiovascular-tests-and-procedures/cardiac-stress-testing. Accessed Aug. 13, 2026.
  8. Transesophageal echocardiography. American Heart Association. https://www.heart.org/en/health-topics/heart-attack/diagnosing-a-heart-attack/transesophageal-echocardiography. Accessed Aug. 13, 2026.
  9. Ultrasound imaging. U.S. Food and Drug Administration. https://www.fda.gov/radiation-emitting-products/medical-imaging/ultrasound-imaging. Accessed Aug. 13, 2026.
  10. Ali MT, et al. Incidence of severe adverse drug reactions to ultrasound enhancement agents in a contemporary echocardiography practice. Journal of the American Society of Echocardiography. 2024; doi:10.1016/j.echo.2023.10.010.
  11. Ocagli H, et al. Type, severity, frequency and management of adverse reactions associated with ultrasound contrast agents: A systematic review and meta-analysis. European Radiology. 2026; doi:10.1007/s00330-026-12594-5.
  12. Zhang L, et al. Transesophageal echocardiography related complications. Frontiers in Cardiovascular Medicine. 2024; doi:10.3389/fcvm.2024.1410594.
  13. Lang RM, et al. Recommendations for cardiac chamber quantification by echocardiography in adults: An update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging. Journal of the American Society of Echocardiography. 2015; doi:10.1016/j.echo.2014.10.003.
  14. IAC standards and guidelines for adult echocardiography accreditation. Intersocietal Accreditation Commission. https://intersocietal.org/document/adult-echocardiography-accreditation-standards/. Accessed Aug. 13, 2026.

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