Narayana Sarma V Singam, MD| MedStar Health

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.

Clinical areas of focus

Atrial Flutter
Cardiac Sudden Death
Pulmonary Valve Stenosis

Conditions and procedures

Conditions I treat

Abnormal Breathing
Abnormal Function Study Results
Abnormal Heart Rhythm
Acute Endocarditis
Acute Liver Injury
Acute Myocardial Infarction
Amyloidosis
Angina Pectoris
Aortic Aneurysm
Aortic Stenosis
Aortic Valve Disorders
Aortic Valve Regurgitation
Artery Disorders
Atherosclerosis
Atherosclerotic Disease
Atrial Fibrillation
Atrial Flutter
Atrial Septal Defect
Atrioventricular Block
Bacterial Pneumonia
Brain Disorders
Cardiac Arrest
Cardiac Arrhythmias
Cardiac Murmurs
Cardiac Prosthetic Device Malfunction
Cardiac Sudden Death
Cardiac Tamponade
Cardiometabolic Disorders
Cardiomyopathy
Cardiovascular Disorders Of Newborn
Catecholaminergic Polymorphic Ventricular Tachycardia
Cerebrovascular Diseases
Chest Pain
Chronic Kidney Disease
Chronic Obstructive Pulmonary Disease (COPD)
Circulatory System Complications
Complications Of Cardiac And Vascular Prosthetic Devices
Complications Of Procedures
Complications Of The Puerperium
Complications Of Transplanted Organs And Tissue
Congenital Heart Valve Defects
Congenital Malformations Of Cardiac Chambers And Connections
Congenital Malformations Of Great Arteries
Congenital Malformations Of Heart
Congenital Malformations Of Trachea And Bronchus
Coronary Artery Disease
Cough
Deep Vein Thrombosis
Diseases Of Blood And Blood
Disorders Of Lipoprotein Metabolism And Lipidemias
Disorders Of White Blood Cells
Duodenitis
Electrical Conduction Disorders
Emergency Use Of U07
Emotional State Symptoms
General Symptoms
Gestational Edema
Heart Attack
Heart Block
Heart Disease
Heart Failure
Heart Palpitations
Heart Valve Problems
Hypertension
Hypotension
Hypoxemic Respiratory Failure
Incisional Hernia
Intraoperative Complications
Ischemic Cardiomyopathy
Ischemic Heart Disease
Kidney Injury
Liver Enzyme Abnormalities
Liver Injury
Long Term Drug Therapy
Mitral Regurgitation
Multiple Organ Dysfunction Syndrome
Multiple Organ Failure
Myocardial Infarction
Myocarditis
Newborn Respiratory Distress Syndrome
Nonrheumatic Mitral Valve Disease
Pain In Throat And Chest
Paroxysmal Ventricular Tachycardia
Pericardium Diseases
Peripheral Artery Disease
Peripheral Vascular Diseases
Persistent Pulmonary Hypertension
Personal Risk Factors
Pneumonia
Poisoning
Postoperative Complications
Precerebral Artery Occlusion
Presence Of Cardiac And Vascular Implants
Primary Sclerosing Cholangitis
Problems Related To Lifestyle
Pulmonary Embolism
Pulmonary Heart Disease
Pulmonary Valve Stenosis
Respiratory Disorders
Respiratory Failure
Rheumatic Heart Disease
Rheumatic Tricuspid Valve Disease
Rib And Sternum Fracture
Sarcoidosis
Sepsis
Septic Shock
Shock
Shortness Of Breath
Subcortical Infarction
Supraventricular Tachycardia
Systemic Inflammatory Response Syndrome
Tachycardia
Transient Cerebral Ischemic Attacks
Transplanted Organ And Tissue Status
Tricuspid Stenosis
Valve Disease With Congestive Heart Failure
Ventricular Fibrillation
Ventricular Tachycardia

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Procedures I perform

Angioplasty
Aortic Valve Repair
Arterial Pressure Monitoring
Arterial Pulse Monitoring
Artificial Pancreas
Atrial Appendage Closure
Atrial Fibrillation Ablation
Atrial Septal Defect Closure
Automated External Defibrillator
Blood Gas Analysis
Blood Pressure Monitoring
Blood Transfusion
Bronchoscopy
Cardiac Arrest Management
Cardiac Cardioversion
Cardiac Catheterization
Cardiac Catheterization Interpretation
Cardiac Device Implantation
Cardiac Electrophysiology Study
Cardiac Magnetic Resonance Imaging
Cardiac Monitoring
Cardiac Output Assistance
Cardiac Output Monitoring
Cardiac Resynchronization Therapy
Cardiac Tissue Repair
Cardiac Ultrasound
Cardiopulmonary Resuscitation
Cardiovascular Stress Testing
Cardioversion
Carotid Artery Stenting
Carotid Endarterectomy
Computerized Tomography (CT) Scan
Continuous Hemodynamic Monitoring
Continuous Positive Airway Pressure Ventilation
Continuous Veno-Venous Hemofiltration
Coronary Artery Bypass Grafting
Coronary Artery Stenting
Cystitis Management
Dialysis
Duplex Scan Of Extremity Veins
Duplex Scan Of Upper Extremity Arteries
Echocardiography
Electrocardiogram
Electrocardiographic Monitoring
Electroencephalogram
Electrophysiology Study
Endomyocardial Biopsy
Endoscopic Inspection Of Tracheobronchial Tree
Endotracheal Intubation
External Electrocardiographic Recording
Extracorporeal Membrane Oxygenation
Fatigue Management
Fibrinolytic Therapy
Gastrointestinal Therapy
Gastrointestinal Tube Placement
Heart Failure Treatment
Heart Pacemaker Implantation
Heart Transplant
Heart Ultrasonography
Hemodynamic Monitoring
Hemorrhage Control
Holter Monitoring
Hypoxemic Respiratory Failure Management
Inhaled Prostaglandin Therapy
Insertion Infusion Device
Internal Jugular Central Line Placement
Intra-Aortic Balloon Pump Insertion
Intravascular Ultrasound
Intravenous Antibiotic Administration
Invasive Hemodynamic Monitoring
Kinesiology Analysis
Mesenteric Angiography
Mitral Valve Repair
Mixed Venous Oxygen Saturation
Moderate Sedation Services
Myocardial Infarction Management
Myocardial Perfusion Imaging
Nebulizer Therapy
Nitrogen Washout Treatment
Nonautologous Red Blood Cells Transfusion
Non-Invasive Ventilation
Pacemaker Upgrade
Pediatric Trauma Care
Percutaneous Coronary Intervention
Permanent Pacemaker Insertion
Prostate Injury Treatment
Pulmonary Embolism
Pulmonary Embolism Management
Pulmonary Rehabilitation
Sputum Test
Stress Echocardiography
Stress Test
Superior Vena Cava Filter Placement
Temporary Transcutaneous Pacing
Thoracotomy With Cardiac Massage
Thread Vein Removal
Trachea Endotracheal Airway Insertion
Tracheostomy
Tracheostomy Management
Transesophageal Echocardiography
Transthoracic Echocardiogram With Strain Imaging
Transthoracic Echocardiography
Twist Drill Hole With Ventricular Catheter
Ultrasonography Inferior Vena Cava
Upper Artery Monitoring
Vasopressor Administration
Vena Cava Catheter Introduction
Ventricular Restoration
Volume Resuscitation

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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:
36571660.

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:
PMC8304556.

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:
PMC7269918.

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:

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