Narayana Sarma V Singam, MD| Cardiology, Critical Care Medicine | MedStar Health
Narayana Sarma V Singam

Narayana Sarma V Singam, MD
Provider is directly employed by MedStar Health

Specialties: Cardiology, Critical Care Medicine

Languages: English

About me

Sarma Singam, MD, is a cardiac intensivist at MedStar Washington Hospital Center. With training and experience in cardiology, echocardiography, and critical care, Dr. Singam has a focused approach to patient care, emphasizing heart failure, myocardial infarction, echocardiography techniques, and cardiogenic shock management.

In addition to clinical work, Dr. Singam is involved in research, particularly in developing clinical care registries for cardiac critical care. This work aims to improve patient management processes and outcomes.

Conditions and procedures

Conditions I treat

  • Acute Decompensated Heart Failure
  • Alcoholic Cardiomyopathy
  • Amyloidosis
  • Aortic Diseases
  • Aortic Stenosis
  • Arrhythmogenic Right Ventricular Cardiomyopathy
  • Atrial Flutter
  • Atrial Septal Defect (ASD)
  • Atrial Tachycardia
  • Atrioventricular Block
  • Cardiac Arrest
  • Cardiac Tamponade
  • Cardiogenic Shock
  • Carotid Sinus Syndrome
  • Catecholaminergic Polymorphic Ventricular Tachycardia
  • Complete Atrioventricular Block
  • Dilated Cardiomyopathy
  • Hypertensive Crisis
  • Hypotension
  • Ischemic Cardiomyopathy
  • Myocardial Infarction (MI)
  • Myocarditis
  • Pericardial Effusion
  • Pericarditis
  • Pulmonary Arterial Hypertension
  • Pulmonary Embolism
  • Respiratory Distress Syndrome
  • Respiratory Failure
  • Sepsis
  • Septic Shock
  • Ventilator Dependent
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Procedures I perform

  • 2D Transthoracic Echocardiography With Doppler And M-Mode Imaging
  • Advanced Lipid Blood Tests
  • Airway Management
  • Arrhythmias (HEART) Therapy
  • Arterial Line Placement
  • Central Line Insertion
  • Dobutamine Stress Test
  • Inhaled Nitric Oxide
  • Mechanical Ventilation
  • Paracentesis
  • Therapeutic Hypothermia
  • Thoracentesis
  • Ventilator Management
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Practice locations

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110 Irving Street Northwest
MedStar Washington Hospital Center
Washington, DC, 20010

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miles away


Board Certification: American Board of Internal Medicine, Internal Medicine

Board Certification: American Board of Internal Medicine, Cardiovascular Disease

Other Certification: Certification Board of Nuclear Cardiology, -

Other Certification: NB/Echocardiography, -

Fellowship Program: Mayo Clinic of Rochester (2022)

Fellowship Program: University of Louisville Hospital (2020)

Residency Program: University of Cincinnati Hospital (2017)

Medical School: University of Cincinnati College of Medicine (2014)

News and publications

1: Singam NSV, Tabi M, Wiley B, Anavekar N, Jentzer J. Echocardiographic
findings in cardiogenic shock due to acute myocardial infarction versus heart
failure. Int J Cardiol. 2023 Aug 1;384:38-47. doi: 10.1016/j.ijcard.2023.04.041.
Epub 2023 Apr 26. PMID: 37116757.

2: Hockstein MA, Singam NS, Papolos AI, Kenigsberg BB. The Role of
Echocardiography in Extracorporeal Membrane Oxygenation. Curr Cardiol Rep. 2023
Jan;25(1):9-16. doi: 10.1007/s11886-022-01827-w. Epub 2022 Dec 26. PMID:

3: Singam NSV, Otero D, Al Adili B, Grubb KJ, Flaherty MP, Settles DM, Stoddard
MF. Calculation of Mitral Valve Area by Continuity Equation Using Velocity-Time
Integral From Mitral Valve Orifices After Mitral Clip. J Invasive Cardiol. 2022
Aug;34(8):E581-E587. Epub 2022 Jun 24. PMID: 35738563.

4: Tabi M, Singam NSV, Wiley B, Anavekar N, Barsness G, Jentzer JC.
Echocardiographic Characteristics of Cardiogenic Shock Patients with and Without
Cardiac Arrest. J Intensive Care Med. 2023 Jan;38(1):51-59. doi:
10.1177/08850666221105236. Epub 2022 Jun 3. PMID: 35656768.

5: Singam NSV, AlAdili B, Amraotkar AR, Coulter AR, Singh A, Kulkarni S, Mitra
R, Daham ON, Smith AE, DeFilippis AP. In-vivo platelet activation and
aggregation during and after acute atherothrombotic myocardial infarction in
patients with and without Type-2 diabetes mellitus treated with ticagrelor.
Vascul Pharmacol. 2022 Aug;145:107000. doi: 10.1016/j.vph.2022.107000. Epub 2022
May 25. PMID: 35623547.

6: Jentzer JC, Tabi M, Wiley BM, Singam NSV, Anavekar NS. Echocardiographic
Correlates of Mortality Among Cardiac Intensive Care Unit Patients With
Cardiogenic Shock. Shock. 2022 Mar 1;57(3):336-343. doi:
10.1097/SHK.0000000000001877. PMID: 34710882.

7: Singam NSV, Ghafghazi S. Papillary Muscle Rupture After Acute Inferior
Myocardial Infarction. Tex Heart Inst J. 2021 Sep 1;48(4):e186717. doi:
10.14503/THIJ-18-6717. PMID: 34637518; PMCID: PMC8717755.

8: Otero D, Singam NSV, Petrovic M, Barry N, Singh V. Percutaneous Coil
Embolization for Symptomatic Coronary Fistula: Pre-Operative Cardiovascular
Optimization Before Renal Transplantation. JACC Case Rep. 2020 Oct
14;2(15):2397-2399. doi: 10.1016/j.jaccas.2020.08.006. PMID: 34317179; PMCID:

9: Legg Ditterline BE, Wade S, Ugiliweneza B, Singam NS, Harkema SJ, Stoddard
MF, Hirsch GA. Beneficial Cardiac Structural and Functional Adaptations After
Lumbosacral Spinal Cord Epidural Stimulation and Task-Specific Interventions: A
Pilot Study. Front Neurosci. 2020 Oct 22;14:554018. doi:
10.3389/fnins.2020.554018. PMID: 33192245; PMCID: PMC7643015.

10: Otero D, Singam NSV, Barry N, Raheja P, Solankhi A, Solankhi N. Complication
of Late Presenting STEMI Due to Avoidance of Medical Care During the COVID-19
Pandemic. JACC Case Rep. 2020 Aug;2(10):1610-1613. doi:
10.1016/j.jaccas.2020.05.045. Epub 2020 Jun 4. PMID: 32835260; PMCID:

11: Ditterline BL, Wade S, Ugiliweneza B, Singam NSV, Harkema SJ, Stoddard MF,
Hirsch GA. Systolic and diastolic function in chronic spinal cord injury. PLoS
One. 2020 Jul 27;15(7):e0236490. doi: 10.1371/journal.pone.0236490. PMID:
32716921; PMCID: PMC7384657.

12: Singh A, Coulter AR, Trainor PJ, Singam NSV, Aladili BN, Amraotkar AR,
Owolabi US, DeFilippis AP. Flow cytometric evaluation of platelet-leukocyte
conjugate stability over time: methodological implications of sample handling
and processing. J Thromb Thrombolysis. 2021 Jan;51(1):120-128. doi:
10.1007/s11239-020-02186-5. PMID: 32557223; PMCID: PMC7738362.

13: van Diepen S, Tymchak W, Bohula EA, Park JG, Daniels LB, Phreaner N, Barnett
CF, Kenigsberg BB, DeFilippis A, Singam NS, Barsness GW, Jentzer JC, Ternus B,
Morrow DA, Katz JN; Critical Care Cardiology Trials Network Investigators.
Incidence, underlying conditions, and outcomes of patients receiving acute renal
replacement therapies in tertiary cardiac intensive care units: An analysis from
the Critical Care Cardiology Trials Network Registry. Am Heart J. 2020
Apr;222:8-14. doi: 10.1016/j.ahj.2020.01.005. Epub 2020 Jan 15. PMID: 32006910.

14: Callahan S, Singam NS, Kendrick M, Negahdar MJ, Wang H, Stoddard MF, Amini
AA. Dual-V<sub>enc</sub> acquisition for 4D flow MRI in aortic stenosis with
spiral readouts. J Magn Reson Imaging. 2020 Jul;52(1):117-128. doi:
10.1002/jmri.27004. Epub 2019 Dec 18. PMID: 31850597; PMCID: PMC7299789.

15: Singam NSV, Fine C, Fleg JL. Cardiac changes associated with vascular aging.
Clin Cardiol. 2020 Feb;43(2):92-98. doi: 10.1002/clc.23313. Epub 2019 Dec 16.
PMID: 31845364; PMCID: PMC7021646.

16: Owolabi US, Amraotkar AR, Coulter AR, Singam NSV, Aladili BN, Singh A,
Trainor PJ, Mitra R, DeFilippis AP. Change in matrix metalloproteinase 2, 3, and
9 levels at the time of and after acute atherothrombotic myocardial infarction.
J Thromb Thrombolysis. 2020 Feb;49(2):235-244. doi: 10.1007/s11239-019-02004-7.
PMID: 31808123; PMCID: PMC9012982.

17: Singam NSV, Burkhart T, Ikram S. Anomalous Origin of the Right Coronary
Artery from the Left Main Coronary Artery in the Setting of Critical Bicuspid
Aortic Valve Stenosis. Methodist Debakey Cardiovasc J. 2019 Jul-
Sep;15(3):223-225. doi: 10.14797/mdcj-15-3-223. PMID: 31687103; PMCID: