Moayedi, Siamak

Siamak Moayedi, MD

Education and Training

1998-2001   M.D., University of Maryland School of Medicine

2001-2003   Resident, Emergency Medicine, Thomas Jefferson University Hospital

2003-2004   Chief Resident, Thomas Jefferson University Hospital

2006-2007   Distinguished Fellow, American College of Emergency Physicians Teaching Fellowship

Biosketch

Dr Moayedi has been teaching at the SOM since 2004. His academic interests include medical student education, invasive medical procedure education, difficult intravenous access and cardiac pacing research. He is the director of four CME procedure courses and serves as the director of the medical student emergency medicine elective and clerkship at Mercy Medical Center. His various online procedure videos have over 6 million views.

Dr. Moayedi works clinically at the Mercy Medical Center Emergency Department as well as the Department of Hyperbaric Medicine at the R Adams Cowley Shock Trauma Center. 

He has been serving on the Education Committee for the American Academy of Emergency Medicine since 2015 focusing on procedure education small group sessions at their annual scientific assembly. He is an Associate Editor for the 8th edition of Roberts and Hedges Clinical Procedures in Emergency Medicine and Acute Care, the definitive text book of EM procedures.

CME procedure courses:

CriticalProceduresinEM.com - Lateral canthotomy, cricothyrotomy, throacotomy...

ComplexProceduresinEM.com - Transvenous pacing, Blakemore, HINTs, pigtails...

EssentialProceduresinEM.com - LP, loop drain, shoulder reduction, nerve blocks...

PUGcourse.com - Percutaneous ultrasound-guided gastrostomy

Research/Clinical Keywords

Difficult intravenous access Emergency cardiac pacing Invasive emergency medicine procedures Hyperbaric medicine

Highlighted Publications

Select Peer-Reviewed Journal Articles 

  1. Moayedi S., Witting M., Pirotte M. Safety and efficacy of the “Easy Internal Jugular (IJ)”: An approach to difficult IV access.  Journal of Emergency Medicine. 2016; 51(6): 636-642. 
  2. Moayedi S., Witting M., Hirshon J.M., George N., Burke A., Schenkel S.  Prospective, randomized controlled comparison of a flash-tip catheter and a traditional intravenous catheter in an urban emergency department. Journal of Vascular Access. 2018; 19(4): 387-391. 
  3. Menegas S., Moayedi S., Torres M.  Abscess management: An evidence based review for emergency medicine clinicians.  Journal of Emergency Medicine. In press, available on-line December 2020.    
  4. Alfalasi R., Moayedi S. A novel approach to perimortem cesarean section training with human cadavers. Medical Science Educator. February 2022, 32(1), 13-15.
  5. Moayedi S., Patel P., Brady N., Witting M., Dickfeld T. Anteroposterior pacer pad position is more likely to capture than anterolateral for transcutaneous cardiac pacing. Circulation. October 2022; 146: 1103-104.

Select Online courses

  1. Moayedi S. Emergency Procedures Masterclass for Medmastery.com CME course. 9 CME hours teaching emergency medicine procedures. Available at https://www.medmastery.com/course/emergency-procedures-masterclass. Sept 2018. 
  2. Moayedi S. Emergency Procedures Masterclass Part II for Medmastery.com CME course. 6 CME hours teaching emergency medicine procedures.  Available at https://www.medmastery.com/course/emergency-procedures-masterclass-part-2. Sept 2020. 
  3. Moayedi S. Acute Extremity Injury Care for Medmastery.com CME course. 2 CME hours covering all aspects of the emergency medicine care of extremity injuries. Available at https://app.medmastery.com/course/acute-extremity-injury-care. March 2023.

Books 

  1. Rogers S, Moayedi S. Medical Student Educator’s Handbook; Clerkship Directors in Emergency Medicine / Society of Academic Emergency Medicine, 2010.
  2. Chanmugam A, Chudnofsky CR, Colwell C, Moayedi S., et al. Associate Editors. In: Roberts and Hedges’ Clinical Procedures in Emergency Medicine and Acute Care. Eighth Edition. Elsevier Inc; 2026.

Select Book chapters 

  1. Moayedi S., Torres M. Teaching Invasive Medical Procedures. In:  Rogers R, et al. Practical Teaching in Emergency Medicine 2nd edition. John Wiley & Sons, Ltd. 2012.  
  2. Moayedi S. Roberts and Hedges’ Clinical Procedures in Emergency Medicine and Acute Care, 7th ed. Philadelphia: Elsevier, 2019. Video content for multiple chapters (4.11 Retrograde intubation; 6.1 Cricothyrotomy; 10.2 Tube thoracostomy; 18.1 Resuscitative thoracotomy; 22.1 Central line kit; 22.3 Central line insertion – subclavian; 53.2 Wrist arthrocentesis; 53.6 Knee arthrocentesis; 55.3 Percutaneous suprapubic cystostomy; 62.6 Lateral canthotomy).
  3. Moayedi S., Torres M. Cardiac Pacing. In: Mattu A and Swadron S, eds. CorePendium. Burbank: CorePendium LLC. 
  4. Moayedi S., Torres M., Cricothyrotomy. In: Mattu A and Swadron S, eds. CorePendium. Burbank: CorePendium LLC. 

Additional Publications

Peer-Reviewed Journal Articles

  1. Singh A., Moayedi S. Fever, productive cough, and tachycardia in a 22-year-old Asian male.  Academic Emergency Medicine. 2004; 11(2): 169-176.
  2. Torres M., Moayedi S. Evaluation of the acutely dyspneic patient. Clinics in Geriatric Medicine. 2007; 23(2): 307-326.
  3. Moayedi S., Torres M. Approach to dyspnea among older adults. Geriatrics and Aging. 2008, 11(6): 347-350.
  4. Moayedi S. Head, neck and ophthalmologic manifestations of HIV in the emergency department. Emergency Medicine Clinics of North America. 2010; 28(2): 265-271.
  5. Torres M., Moayedi S. Gynecologic and other important infections in pregnancy. Emergency Medicine Clinics of North America. 2012; 30(4): 869-884.
  6. Witting M., Moayedi S., Beverly S.K., Stover B.J., Miller, A.C. Incidence of advanced intravenous access in 2 urban EDs. American Journal of Emergency Medicine. 2015; 33(5): 705-707.
  7. Moayedi S., Babin L. Pneumorrhachis secondary to a sacral decubitus ulcer.  Western Journal of Emergency Medicine. 2016; 17(4): 466-468.
  8. Witting M., Moayedi S., Yang Z., Mack C.B. Advanced intravenous access: Technique choices, pain scores, and failure rates in a local registry. American Journal of Emergency Medicine. 2016; 34(3): 553-557.
  9. Moayedi S., Witting M., Pirotte M. Safety and efficacy of the “Easy Internal Jugular (IJ)”: An approach to difficult IV access. Journal of Emergency Medicine. 2016; 51(6): 636-642.
  10. Witting M., Moayedi S., Dunning K., Babin L.S., Cogan B.M. Power injection through ultrasound-guided IV lines: Safety and efficacy under an institutional protocol.  Journal of Emergency Medicine. 2017; 5(1): 16-22.
  11. Moayedi S. Toasted Skin Syndrome. Visual Journal of Emergency Medicine. 2017; 8: 60. https://doi.org/10.1016/j.visj.2017.05.001.
  12. Witting M., Moayedi S., Brown L.A., Ismail A. Predictors and Delays Associated with the need for Advanced Techniques for Intravenous Access. Journal of Emergency Medicine. 2017; 53(2): 172-177.
  13. Moayedi S. Situs ambiguous. Visual Journal of Emergency Medicine. 2017; 9: 11-12.
  14. Moayedi S. Methadone induced prolonged Q-T interval. Visual Journal of Emergency Medicine. 2017; 9: 9-10.
  15. Moayedi S. Adult intussusception. Visual Journal of Emergency Medicine. 2017; 9: 25-26.
  16. Moayedi S. Calcaneal fracture. Visual Journal of Emergency Medicine. 2017; 9: 41-42.
  17. Moayedi S. Visual Journal of Emergency Medicine. 2017; 9: 59-60.
  18. Moayedi S. Emphysematous pyelonephritis. Visual Journal of Emergency Medicine. 2017; 9: 27-28.
  19. Moayedi S., Witting M., Hirshon J.M., George N., Burke A., Schenkel S. Prospective, randomized controlled comparison of a flash-tip catheter and a traditional intravenous catheter in an urban emergency department. Journal of Vascular Access. 2018; 19(4): 387-391.
  20. McCarter R.N., Witting M., Moayedi S. No radiographic safe margin found in the ‘Easy IJ’ internal jugular vein procedure.  Journal of Emergency Medicine. 2018; 55(1): 29-33.
  21. Moayedi S. Chronic bullous pemphigoid. Visual Journal of Emergency Medicine. 2018; 13: 87-88.
  22. Moayedi S. Ludwig’s angina. Visual Journal of Emergency Medicine. 2018; 13: 133-134.
  23. Torres M., Moayedi S. Management of human immunodeficiency virus in the emergency department.  Emergency Medicine Clinics of North America. 2018; 36(4): 777-794.
  24. Witting M., Moayedi S., Hirshon J.M., George N., Schenkel S. Predicting failure of intravenous access in adults: The value of prior difficulty. Journal of Emergency Medicine. 2019; 57(1): 1-5.
  25. Moayedi S. Simultaneous retrobulbar hematoma and globe rupture. Visual Journal of Emergency Medicine. 2019; 17: 100669. https://doi.org/10.1016/j.visj.2019.100669.
  26. Moayedi S. Visual Journal of Emergency Medicine. 2020; 18. https://doi.org/10.1016/j.visj.2019.100704.
  27. Sahebi A., Yousefi K., Moayedi S., Golitaleb N., Vardanjani A., Golitaleb M. Prevalence of posttraumatic stress disorder among firefighters in Iran: A systematic review and meta-analysis.  Iranian Journal of Psychiatry.  2020; 15(4):347-354.
  28. Bach H., Jenkins V., Aldehaim A., Moayedi S., Schenkel S., Kim H.K. Prevalence of fentanyl exposure and knowledge regarding the risk of its use among emergency department patients with active opioid use history at an urban medical center in Baltimore, Maryland.  Clinical Toxicology. 2020; 58(6): 460-465.
  29. Jafarimanesh H., Abdi K. Kia M.K., Moayedi S., Sahebi A., Golitaleb M. Adherence to professional code of ethics from emergency medical technicians and their patient’s perspective: A cross-sectional study. Trauma Monthly. 2020; 25(4): 160-166.
  30. Moayedi S., Torres M. Left superior vena cava.  Visual Journal of Emergency Medicine. 2020; 21: 100858.
  31. Moayedi S., Torres, M. Testicular torsion.  Visual Journal of Emergency Medicine. 2020; 21: 100872.
  32. Moayedi S., Torres M. Ruptured renal calyx.  Visual Journal of Emergency Medicine. 2020; 21: 100875.
  33. Hurt B.R., Hussain A., Moayedi S., Schenkel S., Kim H.K. Access and barriers to take-home naloxone use among emergency department patients with opioid misuse in Baltimore, Maryland, USA. Substance Use and Misuse. 2020; 55(13): 2237-2242.
  34. George N., Baldi C., Tonascia J., Moayedi S. Delayed presentation of bowel obstruction caused by blunt abdominal trauma. Clinical Practice and Cases in Emergency Medicine. 2020; 4(4): 620-622.
  35. Sahebi A., Moayedi S., Golitaleb M. COVID-19 pandemic and the ethical challenges in patient care.  Journal of Medical Ethics and History of Medicine.  December 2020; 13(24): 1-7. https://doi.org/10.18502/jmehm.v13i24.4955.
  36. Moayedi S., Torres M. Penile fracture leading to Peyronie’s disease.  Visual Journal of Emergency Medicine. January 2021; 22: 100993.
  37. Dubbs S., Moayedi S., Galbraith J., Lubavin, B., Mattu A., Haydel M., Cheaito M., Bond M., Kazzi A. Emergency medicine interest groups.  Journal of Emergency Medicine. January 2021; 60(1): e13-e17.
  38. Menegas S., Moayedi S., Torres M. Abscess management: An evidence-based review for emergency medicine clinicians.  Journal of Emergency Medicine. March 2021; 60(3): 31-320.
  39. Moayedi S. Anterior approach cervical fusion wound hematoma. Visual Journal of Emergency Medicine. April 2021; 23: 100565.
  40. Sahebi A., Nejati-Zarnaqi B., Moayedi S., Yousefi K., Torres M., Golitaleb M. The prevalence of anxiety and depression among healthcare workers during the COVID-19 pandemic: An umbrella review of meta-analyses. Progress in Neuropsychopharmacology and Biological Psychiatry. April 2021; 107: 110247. https://doi.org/10.1016/j.pnpbp.2021.110247
  41. Mokhtari, Safdari A., Hekmatpou D., Sahebi A., Moayedi S., Torres M., Golitaleb M. Investigating the effective factors of using personal protective equipment from the perspective of nurses caring for COVID-19 patients: A cross-sectional study. International Journal of Environmental Research and Public Health.  July 2021; 18(15): 1-9.  https://doi.org/10.3390/ijerph18157882
  42. Vardanjani A., Golitaleb M., Abdi K., Kia M.K., Moayedi S., Torres M., Dehghan-Nayeri N. The effect of family presence during resuscitation and invasive procedures on patients and families: An umbrella review.  Journal of Emergency Nursing. October 2021; 47(5): 752-760. https://doi.org/10.1016/j.jen.2021.04.007
  43. Sahebi A., Abdi K., Moayedi S., Torres M., Golitaleb M. The prevalence of insomnia among health care workers amid the COVID-19 pandemic: An umbrella review of meta-analyses. Journal of Psychosomatic Research. October 2021, 149: 1-6. https://doi.org/10.1016/j.jpsychores.2021.110597.
  44. Khademi F., Rassouli M., Rafiei F., Moayedi S., Torres M., Marzban N., Haji E., Goitaleb M. The effect of Mandala colouring on anxiety in hospitalized COVID-19 patients: A randomized controlled clinical trial.  International Journal of Mental Health Nursing. October 2021, 30(S1): 1437-1444. https://doi.org/10.1111/inm.12901
  45. Felipe N., Moayedi S., Gorman E. Cardiac myxoma.  Visual Journal of Emergency Medicine. August 2021; 25: 101134.
  46. Gelmann D., Jasani G., Moayedi S., Sward D. Inner ear decompression sickness in a hyperbaric chamber inside tender: A case report. Undersea and Hyperbaric Medicine. 2021; 48(4): 443-448.
  47. Moayedi S., Torres M. Posterior sternoclavicular joint dislocation. Visual Journal of Emergency Medicine. October 2021; 25: 101183.
  48. Sahebi A., Yousefi A., Abdi K., Jamshidbeigi Y., Moayedi S., Torres M., Wesemann U., Sheikhbardsiri H., Golitaleb M. The prevalence of post-traumatic stress disorder among health care workers during the COVID-19 pandemic: An umbrella review and meta-analysis. Frontiers in Psychiatry. November 2021; 12: 1-7. https://doi.org/10.3389/fpsyt.2021.764738.
  49. Moayedi S. Reprint of: Simultaneous retrobulbar hematoma and globe rupture. Disease-a-Month. 2022, Jan 14;32(1):13-15. https://doi.org/10.1016/j.disamonth.2022.101411.
  50. Alfalasi R., Moayedi S. A novel approach to perimortem cesarean section training with human cadavers. Medical Science Educator. February 2022, 32(1), 13-15. https://doi.org/10.1007/s40670-021-01492-8.
  51. Moayedi S., Torres M. Brachial artery pseudoaneurysm. Visual Journal of Emergency Medicine. April 2022; 27: 101299.
  52. Moayedi S., Torres M. Uterocutaneous fistula. Visual Journal of Emergency Medicine. April 2022; 27: 101333.
  53. Brady N., Patel P., Moayedi S., Sward S. A novel source of carbon monoxide for suicide attempt. Undersea and Hyperbaric Medicine. 2022 3rd quarter;49(3):329-331.
  54. Sheikhbardsiri H., Jangipour Afshar P., Golitaleb M., Moayedi S., Torres M, Moghadari M. Stress, anxiety, and depression levels among paramedical prehospital personnel (road and city bases): in time of performing mission for suspected and confirmed COVID-19 patients. Minerva Psychiatry. 2022;63:104-10. DOI: 10.23736/S2724-6612.21.02137-3
  55. Sweet S., Moayedi S., Torres M. Oral aphthous ulcer associated with COVID-19. Visual Journal of Emergency Medicine. October 2022; 29: 101423.
  56. Moayedi S, Patel P, Brady N, Witting M, Dickfeld TL. Anteroposterior Pacer Pad Position Is More Likely to Capture Than Anterolateral for Transcutaneous Cardiac Pacing. Circulation. 2022 Oct 4;146(14):1103-1104. doi: 10.1161/CIRCULATIONAHA.122.060735. PMID: 36191069.
  57. Sahebi A., Golitaleb M., Moayedi S., Torres M., Sheikhbardsiri H. Prevalence of workplace violence against health care workers in hospital and pre-hospital settings: An umbrella review of metanalyses. Frontiers Public Health. 2022 Aug 8;10:895818.
  58. Sweet S., Gizaw A., Moayedi S. Diagnosis of adult intussusception on computed tomography. Visual Journal of Emergency Medicine. Oct 2022; 29: 101461.
  59. Gizaw A., Sweet S., Moayedi S. Traumatic pneumocephalus and pneumorrhachis. Visual Journal of Emergency Medicine. Oct 2022; 29: 101497.
  60. Dewan M., Moayedi S. Cutaneous angiolipoma. Visual Journal of Emergency Medicine. Oct 2022; 29: 101490. https://doi.org/10.1016/j.visj.2022.101490.
  61. Moayedi S., Flint R. Traumatic total knee replacement dehiscence. Visual Journal of Emergency Medicine. Oct 2022; 29: 101567. https://doi.org/10.1016/j.visj.2022.101567.
  62. Moayedi S., Zhou A. Retained tooth fragments in lower lip. Visual Journal of Emergency Medicine. Oct 2022; 29: 101578. doi.org/10.1016/j.visj.2022.101578.
  63. Moayedi S., Patel P., Brady N., Witting M., Dickfeld TL. Anteroposterior pacer pad position is better than anterolateral for transcutaneous cardiac pacing. Resuscitation. 2022 Dec; 181:140-146. doi: 10.1016/j.resuscitation.2022.11.009. PMID: 36410605.
  64. Moayedi S., Salerno A., Torres M. Inguinal bladder hernia. Visual Journal of Emergency Medicine. Apr 2023; 31: 101692.
  65. Chen N., Moayedi S. Large venous air embolism after IV contrast administration. Visual Journal of Emergency Medicine. Apr 2023; 31: 101726.
  66. Moayedi S., Spangler R. Hemoperitoneum caused by in vitro fertilization procedure. Visual Journal of Emergency Medicine. Jan 2024; 34: 101922.
  67. Moayedi S., Spangler R. Smal bowel obstruction with diaphragmatic hernia. Visual Journal of Emergency Medicine. April 2024; 35: 101943.
  68. Moayedi S., Torres M. Rectus sheath hematoma. Visual Journal of Emergency Medicine. Apr 2024; 35: 101957.
  69. Mhonda L., Moayedi S. Ecthyma gangrenosum with Pseudomonas aeruginosa. Visual Journal of Emergency Medicine. Apr 2024; 35: 101999.
  70. Moayedi S., Spangler R. Infected bleb. Visual Journal of Emergency Medicine. Oct 2024; 38: 102147.
  71. Barry E., Deshmukh S., Zhang V., Koshar A., Butt H., Rowe K., Moayedi S. Physician attitudes about ultrasound-guided procedures. iRadiology (Online). 2025;3(1):72-78. doi:10.1002/ird3.114
  72. De Leon A., Moayedi S. Olecranon bursitis. Visual Journal of Emergency Medicine. Jan 2025; 38: 102191.
  73. Zhu W., Moayedi S., Sethuraman K. Arterial gas embolism after CT-guided lung biopsy. Undersea and Hyperbaric Medicine. 2025;52(2):117-120.
  74. Moayedi S., Gizaw A., Sweet S., Sethuraman K., Witting M. Pseudoephedrine prophylaxis does not prevent middle ear barotrauma in hyperbaric oxygen therapy. Undersea and Hyperbaric Medicine. 2025;52(2):101-107.
  75. Preheim B.A., Moayedi S., Chew K.W., Sethuraman K. Cerebral arterial gas embolism during Watchman device implantation. Undersea and Hyperbaric Medicine. 2025;52(4):617-620.
  76. De Leon A, Moayedi S. Blue-green fluid in surgical drain. Visual journal of emergency medicine. 2026;42:102445. doi:10.1016/j.visj.2026.102445
  77. Wang J, Moayedi S. Gas in the brain: A case of cerebral arterial gas embolism. The Journal of emergency medicine. Published online May 2026. doi:10.1016/j.jemermed.2026.04.030
  78. Bhat AR, Sethuraman K, Arya AK, Moayedi S. et al. Myelin Basic Protein Expressing Microparticles Predict Neurologic Morbidity Risk From Acute Carbon Monoxide Poisoning. Crit Care Med. Published online June 3, 2026. doi:10.1097/CCM.0000000000007204
  79. Moayedi S., Torres M. Odynophagia and neck pain: A case of retropharyngeal phlegmon in an adult. Visual journal of emergency medicine. 2026;43:102537. doi:10.1016/j.visj.2026.102537
  80. Moayedi S., Torres M. Globe rupture and intraocular foreign body. Visual journal of emergency medicine. 2026;43:102474. doi:10.1016/j.visj.2026.102474
  81. Moayedi S., Torres M. Air-filled rectal foreign body. Visual journal of emergency medicine. 2026;43:102529. doi:10.1016/j.visj.2026.102529
  82. Moayedi S., Torres M. Are you sure you are not pregnant? A case of large fibroid. Visual journal of emergency medicine. 2026;43:102510. doi:10.1016/j.visj.2026.102510

Professional Activity

Course Director for Critical Procedures, Complex Procedures, Essential Procedures, and PUG (Percutaneous Ultrasound-guided Gastrostomy) CME courses

Director, Medical Student Emergency Medicine Rotation (Mercy Medical Center)

Director, Procedure Lab, Emergency Medicine Clerkship

Lead Preceptor for Practice of Medicine I & II courses

 

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