Eric H. Chou, MD, FACEP

Professional research expert with extensive background in data analysis, project management, and strategic planning. Skilled in leading cross-functional teams, driving innovative research methodologies, and delivering actionable insights. Strong focus on collaboration, adaptability, and achieving impactful results. Excellent communication, problem-solving, and leadership abilities highly valued in research environments.

• Tsai JH, Tsai TY, Chou EH, et al. Associations between plant-based dietary patterns and risks of cognitive impairment and dementia: A systematic review and dose-response meta-analysis. J Prev Alzheimers Dis. Published online February 27, 2026.
• Khan M, Tzeng CT, Chou EH, et al. Association of Troponin Elevation with Cardiovascular Event in Stable Supraventricular Tachycardia in the Emergency Department. J Emerg Med. 2026 Jan;80:134-144.
• Chiu TF, Wong TC, Chou EH, et al. PoCUS-first versus CT-only for non-traumatic abdominal pain: a propensity score-weighted cohort study on ED resource utilization. Intern Emerg Med. 2025 Oct 27.
• Chou EH, Lu TC, Chiu YT, et al. Using Machine Learning to Risk Stratify Emergency Department Patients With Chest Pain but No Acute Myocardial Infarction: A Multicenter Retrospective Analysis. J Am Heart Assoc. 2025 Sep 2;14(17):e0491915.
• Lee CA, Morrissey B, Chou EH, et al. Adenosine Versus Fixed-Dose Intravenous Bolus Diltiazem on Reversing Supraventricular Tachycardia in The Emergency Department: A Multi-Center Cohort Study. J Emerg Med. 2025;75:55-64.
• Fan CY, Sung CW, Chou EH, et al. The 30-Day Risk of Sudden Death in Patients With Epilepsy: A 10-Year Population-Based Cohort Study. J Clin Neurol. 2025 Sep;21(5):424-432.
• Lin YH, Ku NW, Chou EH, et al. The Effect of Pain on the Relationship Between Triage Acuity and Emergency Department Hospitalization Rate and Length of Stay. West J Emerg Med. 2025 Jul 12;26(4):835-842.
• Ku K, Healy J, Chou EH, et al. Exploring Treatment Protocol Adherence and Variations in Paroxysmal Supraventricular Tachycardia in the Emergency Department: A Multi-Center Cohort Study. Med Sci (Basel). 2025 May 9;13(2):58.
• Lee SH, Ho YR, Chou EH, et al. Prevalence and clinical manifestations of cytomegalovirus infection in patients with Posner-Schlossman syndrome: A systematic review and meta-analysis. Surv Ophthalmol. 2025 Nov-Dec;70(6):1252-1260.
• Hsieh YL, Tzeng CT, Chou EH, et al. Association Between Sociodemographic Disparities and Door to Computerized Tomography Time in Patients with Acute Ischemic Stroke Across COVID-19 Periods in the Emergency Department: A Multi-Center Cohort Study. Med Sci (Basel). 2025 Mar 15;13(1):31.
• Chong KM, Chou EH, Ma MH et al. Development and Evaluation of a Novel Resuscitation Teamwork Model for Out-of-Hospital Cardiac Arrest in the Emergency Department. Ann Emerg Med. 2025 Feb;85(2):163-178.
• Ma CH, Healy J, Chou EH, et al. Extremely early initiation of vasopressors might not decrease short-term mortality for adults with septic shock: a systematic review and meta-analysis. Ann Intensive Care. 2025 Jan 27;15(1):18.
• Chou EH, Bhakta T, Tzeng CT et al. The potential impact of alternatives to opioids (ALTO) protocol on opioid reduction in the community emergency department. J Opioid Manag. 2025 Jan-Feb;21(1):77-89.
• Naworski W, Shedd A, Chou E. An unusual acute erythrodermic rash. J Am Coll Emerg Physicians Open. 2024 Aug 28;5(5):e13259.
• Healy J, Tzeng CT, Chou EH, et al. Point-of-Care Ultrasound in the Emergency Department: Training, Perceptions, Applications, and Barriers from Different Healthcare Professionals. J Acute Med. 2024 Jun 1;14(2):74-89.
• Tsai TY, Liu YC, Chou EH, et al. Risk of Bleeding Following Non-Vitamin K Antagonist Oral Anticoagulant Use in Patients With Acute Ischemic Stroke Treated With Alteplase. JAMA Intern Med. 2024 Jan 1;184(1):37-45.
• Tay J, Yen YH, Chou EH, et al. Development and External Validation of Clinical Features-based Machine Learning Models for Predicting COVID-19 in the Emergency Department. West J Emerg Med. 2024 Jan;25(1):67-78.
• Hsu SH, Sung CW, Chou EH, et al. The incidence, predictors, and causes of cardiac arrest in United States emergency departments. Resusc Plus. 2023 Nov 24;17:100514.
• Hung SK, Wu CC, Chou EH, et al. Developing and validating clinical features-based machine learning algorithms to predict influenza infection in influenza-like illness patients. Biomed J. 2023 Oct;46(5):100561.
• Huang CY, Lu TC, Chou E, et al. Point-of-care testing for adult out-of-hospital cardiac arrest resuscitated at the ED to predict ROSC: Development and external validation of POC-ED-ROSC model. Am J Emerg Med. 2023 Sep;71:86-94.
• Liew CQ, Hsu SH, Chou EH, et al. Acute exacerbation of chronic obstructive pulmonary disease in United States emergency departments, 2010-2018. BMC Pulm Med. 2023 Jun 20;23(1):217.
• Lin J, Bellinger R, Chou EH, et al. Point-of-Care Ultrasound in Airway Evaluation and Management: A Comprehensive Review. Diagnostics 2023 Apr 25;13(9):1541.
• Wu CY, Lu TC, Chou EH, et al. End-tidal Carbon Dioxide+ Return of Spontaneous Circulation After Cardiac Arrest (RACA) Score to Predict Outcomes After Out-of-hospital Cardiac Arrest. West J Emerg Med. 2023;24(3)605-614.
• Ling DA, Sung CW, Chou EH, et al. High-risk Return Visits to United States Emergency Departments, 2010–2018. West J Emerg Med. 2022;23(6):832.
• Lu TC, Wang CH, Chou EH, et al. Machine learning to predict in-hospital cardiac arrest from patients presenting to the emergency department. Intern Emerg Med. 2023 Mar;18(2):595-605.
• Tsai TY, Yeh HT, Chou EH, et al. Trends of Regional Anesthesia Studies in Emergency Medicine: An Observational Study of Published Articles. West J Emerg Med. 2022 Oct 24;23(6):878-885.
• Hsu SH, Ko CH, Chou EH, et al. Pulmonary Embolism in United States Emergency Departments, 2010–2018. Research Square, 29 Sep 2022
• Hung SK, Wu CC, Chou EH, et al. Developing and Validating Clinical Features-Based Machine Learning Algorithms to Predict Influenza Infection in Influenza-like Illness Patients. Biomedical journal. 2022 Sep 20;S2319-4170(22)00136-6
• Wang CH, Lu TC, Chou EH, et al. Association between trajectories of end-tidal carbon dioxide and return of spontaneous circulation among emergency department patients with out-of-hospital cardiac arrest. Resuscitation. 2022 Aug;177:28-37.
• Chou EH, Bhakta T, Hassani D et al. The impact of coronavirus disease 2019 (COVID-19) on alternatives to opioids protocol for opioid reduction in emergency department. Signa Vitae. 2022 May 1;18(3):40-6.
• Chou EH, Wang CH, Ma MH et al. Development and validation of a prediction model for estimating one-month mortality of adult COVID-19 patients presenting at emergency department with suspected pneumonia: a multicenter analysis. Intern Emerg Med. 2022 Apr;17(3):805-814.
• Chou EH, Bhakta T, Garrett J et al. Clinical Characteristics of Patients Returning to Emergency Department With Initial False-Negative Reverse Transcriptase Polymerase Chain Reaction (RT-PCR)-Based COVID-19 Test. Journal of Acute Medicine. 2022 Mar 1;12(1):29-33.
• D'Etienne JP, Chou E, Wang H et al. Validation of a simplified comorbidity evaluation predicting clinical outcomes among patients with coronavirus disease 2019 - A multicenter retrospective observation study. Am J Emerg Med. 2022 Jun;56:57-62.
• Tsai TY, Cheong KM, Chou EH, et al. Ultrasound-Guided Femoral Nerve Block in Geriatric Patients with Hip Fracture in the Emergency Department. J Clin Med. 2022 May 14;11(10):2778.
• Wang CH, Chou EH, Chen WJ et al. Association between trajectories of end-tidal carbon dioxide and return of spontaneous circulation among emergency department patients with out-of-hospital cardiac arrest. Resuscitation. 2022 Jun 21;177:28-37.
• Chao HY, Chou EH, Chen KF et al. Using Machine Learning to Develop and Validate an In-Hospital Mortality Prediction Model for Patients with Suspected Sepsis. Biomedicines. 2022 Mar 29;10(4):802
• Sung CW, Chou EH, Tsai CL et al. In-Hospital Cardiac Arrest in United States Emergency Departments, 2010-2018. Front Cardiovasc Med. 2022 Apr 11;9:874461.
• Chou EH, Wang CH, Ma MH et al. Development and validation of a prediction model for estimating one-month mortality of adult COVID-19 patients presenting at emergency department with suspected pneumonia: a multicenter analysis. Intern Emerg Med. 2021 Nov 23:1–10.
• Chou EH, Lu TC, Wang CH et al. Machine Learning to Predict In-Hospital Cardiac Arrest in Patients Admitted from the Emergency Department with COVID-19 and Suspected Pneumonia. Circulation. 2021;144:A10992.
• Chou EH, Wang CH, Wang H et al. Mortality Variations of COVID-19 from Different Hospital Settings During Different Pandemic Phases: A Multicenter Retrospective Study. West J Emerg Med. 2021 Sep 2;22(5):1051-1059.
• Chou EH, Wolfshohl J, Sankaranarayanan G et al. Clinical Features of Emergency Department Patients from Early COVID-19 Pandemic that Predict SARS-CoV-2 Infection: Machine-learning Approach. West J Emerg Med. 2021 Mar 4;22(2):244-251.
• Hsieh YL, Wolfshohl J, Chou EH, et al. Intrasseous versus intravenous vascular access during cardiopulmonary resuscitation for out-of-hospital cardiac arrest: a systematic review and meta-analysis of observational studies. Scand J Trauma Resusc Emerg Med. 2021 Mar 8;29(1):44.
• Pei-Chuan Huang E, Chou EH, Wang CH et al. Associations of thoracic cage size and configuration with outcomes of adult in-hospital cardiac arrest: A retrospective cohort study. J Formos Med Assoc. 2021 Jan;120(1 Pt 2):371-379.
• Wolfshohl J, Shedd A, Chou EH, d'Etienne JP. Lung Ultrasound for COVID-19 Evaluation in the Emergency Department: Is It Feasible? Ann Emerg Med. 2020 Oct;76(4):552-553.
• Chou EH, Hsieh YL, Wolfshohl J, Green F, Bhakta T. Onsite telemedicine strategy for coronavirus (COVID-19) screening to limit exposure in ED [published online ahead of print, 2020 May 3]. Emerg Med J. 2020;emermed-2020-209645.
• Chou EH, Wang CH, Monfort R, et al. Association of ultrasound-related interruption during cardiopulmonary resuscitation with adult cardiac arrest outcomes: A video-reviewed retrospective study [published online ahead of print, 2020 Feb 14]. Resuscitation. 2020;149:74–80.
• Chou EH, Mann S, Hsu TC, et al. Incidence, trends, and outcomes of infection sites among hospitalizations of sepsis: A nationwide study. PLoS One. 2020;15(1):e0227752.
• Wang CH, Chang WT, Chou EH, et al. Associations between Central Obesity and Outcomes of Adult In-hospital Cardiac Arrest: A Retrospective Cohort Study. Sci Rep. 2020;10(1):4604.
• Wang CH, Chang WT, Chou EH, et al. Associations between intra-arrest blood glucose level and outcomes of adult in-hospital cardiac arrest: A 10-year retrospective cohort study. Resuscitation. 2020;146:103–110.
• Wang CH, Lee AF, Chou EH, et al. Comparing Effectiveness of Initial Airway Interventions for Out-of-Hospital Cardiac Arrest: A Systematic Review and Network Meta-analysis of Clinical Controlled Trials [published online ahead of print, 2020 Jan 23].Ann Emerg Med. 2020;S0196-0644(19)31434-9.
• Wang CH, Chang WT, Chou EH, et al. Neuroprognostic accuracy of blood biomarkers for post-cardiac arrest patients: A systematic review and meta-analysis. Resuscitation. 2020;148:108–117.
• Wang H, Chou EH, Lee CC et al. Mortality Association Between Obesity and Pneumonia Using a Dual Restricted Cohort Model. Obes Res Clin Pract. 2019 Nov-Dec;13(6):561-570.
• Tosu PY, Wang YH, Chou EH, et al. Accuracy of Point-of-care Ultrasound and Radiology-performed Ultrasound for Intussusception: a Systematic Review and Meta-analysis. Accepted, Am J Emerg Med. 2019 Sep;37(9):1760-1769.
• Wang CH, Chou EH, Lee CC et al. Comparing Effectiveness of Initial Airway Interventions for Out-of-Hospital Cardiac Arrest: A Systematic Review and Network Meta-analysis of Randomised Controlled Trials. Accepted, Ann Emerg Med 2019.
• Wang CH, Chou EH, Lee CC et al. Neuroprognostic Accuracy of Blood Biomarkers for Post-cardiac Arrest Patients: A Systematic Review and Meta-analysis. Resuscitation. 2020 Mar 1;148:108-117.
• Lee CC, Wolfshohl J, Chou EH, et al. Cardiopulmonary Resuscitation: To Intubate or Not To Intubate. Emerg Med Open J. 2018;4:e1-e3
• Chou EH, Dickman E, Tsou PY et al. Ultrasonography for confirmation of endotracheal tube placement: A systematic review and meta-analysis. Resuscitation 2015;90:97-103
• Chou EH, Dickman E, Lee CC. Reply to Letter: Different methods are mixed up in the meta-analysis. Resuscitation. 2015;93:e23
• Chou EH, Dickman E. Ultrasound for Confirmation of Endotracheal Tube Placement. Empire State EPIC 2015 vol. 32-04:15:4-5
• Chou EH, Chong KM, Sim SS et al. Real-time tracheal ultrasonography for confirmation of endotracheal tube placement during cardiopulmonary resuscitation. Resuscitation 2013;84:1708-1712.
• Chou H, Ma MHM, Lien WC. Reply to letter: Direct real-time tracheal ultrasonography for confirmation of endotracheal tube placement: is it enough? Resuscitation 2014;85:e7.
• Chou H, Lien WC, Ma MHM. Reply to letter: Real-time tracheal ultrasonography for confirmation of endotracheal tube placement during cardiopulmonary resuscitation. Resuscitation 2014;85:e11.
• Wang CH, Chou H, Liu KL et al. Long-term outcome of patients with acute cholecystitis receiving antibiotic treatment: a retrospective cohort study. World J Surg 2014;38: 347-354.
• Wang CH, Hsieh WH, Chou H, et al. Liberal Versus Restricted Fluid Resuscitation Strategies in Trauma Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials and Observational Studies. Crit Care Med 2014;42:954-61.
• Dickman E, Levine MC, Chou EH, et al. Ultrasonography in Musculoskeletal Disorders. Ultrasound Clinics 2014;9:269-291.
• Huang EPC, Fang CC, Chou H, et al. The impact of adding clinical assistants on patient waiting time in a crowded emergency department. Emerg Med J 2014;30:1017-1019.
• Sun JT, Sim SS, Chou H, et al. Ultrasonography for proper endotracheal tube placement confirmation in out-of-hospital cardiac arrest patients: two-center experience. Critical Ultrasound Journal 2014;6(Suppl 1):A29.
• Chang SS, Hsieh WH, Chou H, et al. Multiplex PCR System for Rapid Detection of Pathogens in Patients with Presumed Sepsis –A Systemic Review and Meta-Analysis. PLoS One 2013;8:e62323.
• Sim SS, Lien WC, Chou H, et al. Ultrasonographic Lung Sliding Sign in Confirming Proper Endotracheal Intubation during Emergency Intubation. Resuscitation 2012;83:307-312.
• Sim SS, Chou H, Ma MHM et al. Extracorporeal membrane oxygenation in maternal arrhythmic cardiogenic shock. Am J Emerg Med 2012;30:1012.e3-5.
• Ma MHM, Chiang WC, Chou H, et al. A randomized trial of compression first or analyze first strategies in patients with out-of-hospital cardiac arrest: Results from an Asian community. Resuscitation 2012;83:806-812.
• Fu CM, Tseng WP, Chou H, et al. Occult Staphylococcus aureus Bacteremia in Adult Emergency Department Patients: Rare but Important. Clin Infect Dis 2012;54:1536-1544.
• Chou H, Tseng WP, Wang CH et al. Tracheal Rapid Ultrasound Exam (T.R.U.E.) for Confirming Endotracheal Tube Placement during Emergency Intubation. Resuscitation 2011;82:1279-1284.
• Chou H, Ma MHM, Lien WC. Reply to Letter: Confirmation of endotracheal tube placement during emergency intubation. Resuscitation 2012;83:e69.
• Wang CH, Ma MHM, Chou H, et al. High-Dose vs Non-High-Dose Proton Pump Inhibitors After Endoscopic Treatment in Patients With Bleeding Peptic Ulcer. Arch Intern Med 2010;170(9):751-758.
• Chou H, Yen ZS. Steroid of Patients with Vestibular Neurontitis. Emerg Med J 2009;26:813-815.
• Clinical Characteristics of Patients with Initial False-negative Reverse Transcriptase Polymerase Chain Reaction–Based SARS-CoV-2 Tests in the Emergency Department. Society for Academic Emergency Medicine (SAEM) Annual Meeting, May 2021.
• The Association between Hospital Level and Mortality in Patients with Coronavirus Disease 2019 (COVID-19): A Multicenter Retrospective Study. Society for Academic Emergency Medicine (SAEM) Annual Meeting, May 2021.
• Alternatives to Opioids (ALTO) Protocol in Acute Pain Management in Emergency Department during COVID-19 pandemic. Society for Academic Emergency Medicine (SAEM) Annual Meeting, May 2021.
• Intrasseous versus Intravenous Vascular Access during Cardiopulmonary Resuscitation for Out-of-hospital Cardiac Arrest: A Systematic Review and Meta-analysis of Observational Studies. Society for Academic Emergency Medicine (SAEM) Annual Meeting, May 2021.
• Association of Alternatives to Opioids Protocol for Acute Pain With Opioid Reduction in Emergency Department. Society for Academic Emergency Medicine (SAEM) Annual Meeting, Denver, USA, May 2020.
• Association of Ultrasound-Related Interruption in Cardiopulmonary Resuscitation With Cardiac Arrest Outcomes. Society for Academic Emergency Medicine (SAEM) Annual Meeting, Denver, USA, May 2020.
• Associations of Thoracic Cage Size and Configuration With Outcomes of Adult In-Hospital Cardiac Arrest. Society for Academic Emergency Medicine (SAEM) Annual Meeting, Denver, USA, May 2020.
• Utilization of Bedside Ultrasound for Diagnosis of Pneumonia in Emergency Department: A Multi-center Survey Study. Society for Academic Emergency Medicine (SAEM) Annual Meeting, Denver, USA, May 2020.
• The Impact of Being Overweight & Obese on Patients with Sepsis. Society for Academic Emergency Medicine (SAEM) Annul Meeting, Indianapolis, USA, May 2018.
• Incidence & Mortality Trends of Organ Dysfunction Among Sepsis Patients in the United State: A Nationwide Study. Society for Academic Emergency Medicine (SAEM) Annul Meeting, Indianapolis, USA, May 2018.
• Incidence and Mortality Trends of Organ Dysfunction Among Sepsis Patients in the United States-A Nationwide Study. Society for Academic Emergency Medicine (SAEM) Annul Meeting, Indianapolis, USA, May 2018.
• Combining copeptin and different types of cardiac troponin tests for early rule out of myocardial infarction-a systematic review and meta-analysis. Society for Academic Emergency Medicine (SAEM) Annual Meeting, Indianapolis, USA, May 2018.
• The Outcome Predictive Power of Focused Echocardiography in Cardiopulmonary Resuscitation: A Meta-analysis. Society for Academic Emergency Medicine (SAEM) Annual Meeting, New Orleans, USA, May 2016.
• Application of Focused Echocardiography in Cardiopulmonary Resuscitation: Systemic Review and Meta-Analysis. Society for Academic Emergency Medicine (SAEM) Annual Meeting, San Diego, USA, May 2015.
• Video Review and Time-Motion Analysis of the Causes of No-Flow Intervals as Recorded by Accelerometer During Cardiopulmonary Resuscitation. American Heart Association Resuscitation Science Symposium (ReSS), Chicago, USA, Nov. 2014.
• Advanced Cardiac Life Support (ACLS) Is All About Airway-Circulation-Leadership-Support (A-C-L-S): A Novel CPR Teamwork Model. American Heart Association Resuscitation Science Symposium (ReSS), Chicago, USA, Nov. 2014.
• Ultrasonography for Confirmation of Endotracheal Tube Placement: A Systematic Review and Meta-analysis. Society of Academic Emergency Medicine (SAEM) Annual Meeting, Dallas, USA, May 2014.
• Facilitating Instruction of Direct Laryngoscopy with Video Assistance: A Pilot Study. Society of Academic Emergency Medicine (SAEM) Annual Meeting, Dallas, USA, May 2014.
• Emergency Ultrasound for Airway Management. Didactic Presentation. Society of Academic Emergency Medicine (SAEM) Annual Meeting, Dallas, USA, May 2014.
• Airway-Circulation-Leadership-Support (A-C-L-S) Team Training Model Improved Resuscitation Quality and Self-Perceived Team Efficacy Among Paramedics. American Heart Association Resuscitation Science Symposium (ReSS), Los Angeles, USA, Nov. 2012.
• Ultrasound-based Airway Management. Special lecture, Emergency Department, Maimonides Medical Center, NY, USA, Oct. 2012.
• Improving Teamwork Perceptions and Cardiopulmonary Resuscitation Performance by High-Fidelity Simulation-Based Teamwork Training. American Heart Association Resuscitation Science Symposium (ReSS), Orlando, USA, Nov. 2011.
• Cardiopulmonary Resuscitation Quality Assessed by Electrocardiography Signal Processing Using Hilbert-Huang Transform Correlates Well with Accelerometer. American Heart Association Resuscitation Science Symposium (ReSS), Orlando, USA, Nov. 2011.
• From Advanced Cardiac Life Support (ACLS) to Airway-Circulation-Leadership-Support (A-C-L-S): A Novel Team Training Model for Resuscitation Teams. American Heart Association Resuscitation Science Symposium (ReSS), Orlando, USA, Nov. 2011.
• Tracheal Rapid Ultrasound Exam (T.R.U.E.) for Confirming Endotracheal Tube Placement during Emergency Intubation. Society of Academic Emergency Medicine (SAEM) Annual Meeting. Boston, USA, June 2011.
• Improving Perceived Self-Efficacy of Teamwork during Resuscitation by High-Fidelity Simulation-Based Training. Asia Pacific Meeting on Simulation in Healthcare (APMSH), Hong Kong, May 2011.