Samuel Lam, MD, MPH, FACEP, RDMS

Professional Titles

• Associate Ultrasound Director, Section of Emergency Medicine

Research Interests

Ultrasound

Publications

• Snelling PJ, Shefrin AE, Moake MM, Bergmann KR, Constantine E, Deanehan JK, Dessie AS, Elkhunovich MA, Gold DL, Kornblith AE, Lin-Martore M, Nti B, Pade KH, Parri N, Sivitz A, Lam SHF. Establishing the international research priorities for pediatric emergency medicine point-of-care ultrasound: A modified Delphi study. Acad Emerg Med. 2022 Nov;29(11):1338-1346. PubMed PMID: 36043227
• Walsh P, Chaigneau FRC, Lebedev M, Mutua V, McEligot H, Lam SHF, Hwang B, Bang H, Gershwin LJ. Lung ultrasound allows for earlier diagnosis of bronchiolitis than auscultation: an animal experiment and human case series. J Ultrasound. 2022 Dec;25(4):877-886. PubMed PMID: 35179715
• Radhakrishnan R, Shea LAG, Pruthi S, Silvera VM, Bosemani T, Desai NK, Gilbert DL, Glenn OA, Guimaraes CV, Ho ML, Lam HFS, Maheshwari M, Mirsky DM, Nadel HR, Partap S, Schooler GR, Udayasankar UK, Whitehead MT, Wright JN, Rigsby CK. ACR Appropriateness Criteria® Ataxia-Child. J Am Coll Radiol. 2022 Nov;19(11S):S240-S255. PubMed PMID: 36436955
• Bailey J, Nadeau N, Jordan K, Yerxa H, Lam SHF. The Effect of COVID-19 on United States Pediatric Emergency Departments and Its Impact on Trainees. West J Emerg Med. 2022 Oct 18;23(6):893-896. PubMed PMID: 36409950
• Walsh P, Chaigneau FRC, Lebedev M, Mutua V, McEligot H, Lam SHF, Hwang B, Bang H, Gershwin LJ. Validating a bovine model for lung ultrasound of bronchiolitis. J Ultrasound. 2022 Sep;25(3):611-624. PubMed PMID: 35067896
• Bergmann KR, Khant M, Lammers S, Arroyo AC, Avendano P, Chaudoin L, Cohen SG, Deanehan JK, Kornblith AE, Lam SHF, Lin-Martore M, Malia L, Pade KH, Park DB, Sivitz A, Shahar-Nissan K, Snelling PJ, Tessaro MO, Thomas-Mohtat R, Whitcomb V, Yock-Corrales A, Walsh P, Watson D, Madhok M. Accuracy and Interrater Reliability of Point-of-Care Ultrasonography Image Interpretation for Intussusception. Pediatr Emerg Care. 2022 Sep 1;38(9):442-447. PubMed PMID: 36040465
• Stoner MJ, Dietrich A, Lam SH, Wall JJ, Sulton C, Rose E. Marijuana use in children: An update focusing on pediatric tetrahydrocannabinol and cannabidiol use. J Am Coll Emerg Physicians Open. 2022 Aug;3(4):e12770. PubMed PMID: 35813522
• Chumpitazi CE, Chang C, Atanelov Z, Dietrich AM, Lam SH, Rose E, Ruttan T, Shahid S, Stoner MJ, Sulton C, Saidinejad M. Managing acute pain in children presenting to the emergency department without opioids. J Am Coll Emerg Physicians Open. 2022 Apr;3(2):e12664. PubMed PMID: 35310402
• Kornblith AE, Addo N, Plasencia M, Shaahinfar A, Lin-Martore M, Sabbineni N, Gold D, Bellman L, Berant R, Bergmann KR, Brenkert TE, Chen A, Constantine E, Deanehan JK, Dessie A, Elkhunovich M, Fischer J, Gravel CA, Kharasch S, Kwan CW, Lam SHF, Neal JT, Pade KH, Rempell R, Shefrin AE, Sivitz A, Snelling PJ, Tessaro MO, White W. Development of a Consensus-Based Definition of Focused Assessment With Sonography for Trauma in Children. JAMA Netw Open. 2022 Mar 1;5(3):e222922. PubMed PMID: 35302632
• Lam SHF, Berant R, Chang TP, Friedman L, Gold DL, Kornblith AE, Lin-Martore M, Pade KH, Skaugset LM, Toney AG, Wang-Flores H. The P2Network-Advancing Pediatric Emergency Care With Point-of-Care Ultrasound. Pediatr Emerg Care. 2022 Feb 1;38(2):e1014-e1018. PubMed PMID: 34787985
• Bergmann KR, Arroyo AC, Tessaro MO, Nielson J, Whitcomb V, Madhok M, Yock-Corrales A, Guerrero-Quesada G, Chaudoin L, Berant R, Shahar-Nissan K, Deanehan JK, Lam SHF, Snelling PJ, Avendano P, Cohen SG, Friedman N, Ekpenyong A, Pade KH, Park DB, Lin-Martore M, Kornblith AE, Montes-Amaya G, Thomas-Mohtat R, Jin J, Watson D, Sivitz A. Diagnostic Accuracy of Point-of-Care Ultrasound for Intussusception: A Multicenter, Noninferiority Study of Paired Diagnostic Tests. Ann Emerg Med. 2021 Nov;78(5):606-615. PubMed PMID: 34226072
• Lee T, Goldberg B, Pade K, Uya A, Cohen S, Bergmann K, Abulfaraj M, Lam SHF, Elkhunovich M. Variability in Point-of-Care Lung Ultrasound Findings in Pediatric COVID-19 Patients: A Multicenter Case Series. Pediatr Emerg Care. 2021 Dec 1;37(12):632-636. PubMed PMID: 34772878
• Lam SHF, Nakajima Y, Castillo EM, Brennan J, Vilke GM. Willingness to consider alternatives to ambulance use among adult emergency department patients. Am J Emerg Med. 2020 May;38(5):1030-1033. PubMed PMID: 31859199
• Lam SHF, Alade K, Brennan J, Castillo EM, Doniger SJ, Levine MC, Nadolski A, Rabiner JE, Shah V, Sivitz A, Medak AJ. Interpretation Accuracy and Interrater Agreement of Pediatric Skin and Soft Tissue Point-of-Care Ultrasound Images among Residents and Faculty. J Emerg Med. 2020 Mar;58(3):457-463. PubMed PMID: 31843323
• Hom J, Lam SHF, Delaney KM, Koos JA, Kunkov S. Vomiting, Pyloric Mass, and Point-of-Care Ultrasound: Diagnostic Test Accuracy for Hypertrophic Pyloric Stenosis-A Meta-Analysis. J Emerg Med. 2023 Nov;65(5):e427-e431. PubMed PMID: 37722950
• Lam SHF, Sivitz A, Alade K, Doniger SJ, Tessaro MO, Rabiner JE, Arroyo A, Castillo EM, Thompson CA, Yang M, Mistry RD. Comparison of Ultrasound Guidance vs. Clinical Assessment Alone for Management of Pediatric Skin and Soft Tissue Infections. J Emerg Med. 2018 Nov;55(5):693-701. PubMed PMID: 30170835
• Lam SHF, Li DR, Hong CE, Vilke GM. Systematic Review: Rectal Administration of Medications for Pediatric Procedural Sedation. J Emerg Med. 2018 Jul;55(1):51-63. PubMed PMID: 29805070
• Myatt TC, Medak AJ, Lam SHF. Use of Point-of-Care Ultrasound to Guide Pediatric Gastrostomy Tube Replacement in the Emergency Department. Pediatr Emerg Care. 2018 Feb;34(2):145-148. PubMed PMID: 29346232
• Mills L, Morley EJ, Soucy Z, Vilke GM, Lam SHF. Ultrasound for the Diagnosis and Management of Suspected Urolithiasis in the Emergency Department. J Emerg Med. 2018 Feb;54(2):215-220. PubMed PMID: 29089155
• Brant JA, D'Amico B, Orsborn J, Toney AG, Lam SHF, Mickley M, Ambroggio L. Characterizing Point-of-Care Ultrasound Credentialing in Pediatric Emergency Departments. Pediatr Emerg Care. 2024 Sep 1;40(9):e186-e194. PubMed PMID: 38713835
• Stoner MJ, Mahajan P, Bressan S, Lam SHF, Chumpitazi CE, Kornblith AE, Linakis SW, Roland D, Freedman SB, Nigrovic LE, Denninghoff K, Ishimine P, Kuppermann N. Pediatric Emergency Care Research Networks: A Research Agenda. Acad Emerg Med. 2018 Dec;25(12):1336-1344. PubMed PMID: 30393902
• Saidinejad M, Foster AA, Santillanes G, Li J, Wallin D, Barata IA, Joseph M, Rose E, Cheng T, Waseem M, Berg K, Hooley G, Ruttan T, Shahid S, Lam SHF, Amanullah S, Lin S, Heniff MS, Brown K, Gausche-Hill M. Strategies for optimal management of pediatric acute agitation in emergency settings. J Am Coll Emerg Physicians Open. 2024 Aug;5(4):e13255. PubMed PMID: 39183940
• Cloutier RL, Mistry RD, Cico S, Merritt C, Lam SHF, Auerbach M, Skaugset LM, Klig J, Wolff M, Duong M, Walthall J. Keeping Up With the Kids: Diffusion of Innovation in Pediatric Emergency Medicine Among Emergency Physicians. Acad Emerg Med. 2017 Jun;24(6):769-775. PubMed PMID: 28421650
• Lam SHF. In Response: Ultrasound-assisted Lumbar Puncture on Infants in the Pediatric Emergency Department. Acad Emerg Med. 2017 Jul;24(7):884. PubMed PMID: 28503848
• Meurer WJ, Barth BE, Gaddis G, Vilke GM, Lam SH. Rapid Systematic Review: Intra-Arterial Thrombectomy ("Clot Retrieval") for Selected Patients with Acute Ischemic Stroke. J Emerg Med. 2017 Feb;52(2):255-261. PubMed PMID: 27863833
• Marin JR, Abo AM, Arroyo AC, Doniger SJ, Fischer JW, Rempell R, Gary B, Holmes JF, Kessler DO, Lam SHF, Levine MC, Levy JA, Murray A, Ng L, Noble VE, Ramirez-Schrempp D, Riley DC, Saul T, Shah V, Sivitz AB, Tay ET, Teng D, Chaudoin L, Tsung JW, Vieira RL, Vitberg YM, Lewiss RE. Erratum to: Pediatric emergency medicine point-of-care ultrasound: summary of the evidence. Crit Ultrasound J. 2017 Dec;9(1):3. PubMed PMID: 28160251
• Lam SH, Place R. Subtle presentation of isolated brainstem injury in a child with minor head injury. Ann Emerg Med. 2008 Apr;51(4):375-7. PubMed PMID: 17692429
• Sivitz AB, Lam SH, Ramirez-Schrempp D, Valente JH, Nagdev AD. Effect of bedside ultrasound on management of pediatric soft-tissue infection. J Emerg Med. 2010 Nov;39(5):637-43. PubMed PMID: 19665335
• Ayalin T, Lam SH. Ultrasound-assisted lumbar puncture in infants. Acad Emerg Med. 2011 Apr;18(4):e36. PubMed PMID: 21496132
• Lam SH. Acute Vision Change in a 16-year-old Female. West J Emerg Med. 2013 Mar;14(2):151. PubMed PMID: 23599854
• Lam SH, Wise A, Yenter C. Emergency bedside ultrasound for the diagnosis of pediatric intussusception: a retrospective review. World J Emerg Med. 2014;5(4):255-8. PubMed PMID: 25548597
• Lam SH, Grippo A, Kerwin C, Konicki PJ, Goodwine D, Lambert MJ. Bedside ultrasonography as an adjunct to routine evaluation of acute appendicitis in the emergency department. West J Emerg Med. 2014 Nov;15(7):808-15. PubMed PMID: 25493122
• Lam SH. Use of point-of-care ultrasound to evaluate for penile fracture in a child. Pediatr Emerg Care. 2015 Feb;31(2):157-8. PubMed PMID: 25651388
• Lam SH, Bailitz J, Blehar D, Becker BA, Hoffmann B, Liteplo AS, Rajan KB, Lambert M. Multi-Institution Validation of an Emergency Ultrasound Image Rating Scale-A Pilot Study. J Emerg Med. 2015 Jul;49(1):32-39.e1. PubMed PMID: 25907634
• Lam SH, Lambert MJ. In reply: ultrasound-assisted lumbar puncture in pediatric patients. J Emerg Med. 2015 May;48(5):611-2. PubMed PMID: 25791257
• Lam SH, Majlesi N, Vilke GM. Use of Intravenous Fat Emulsion in the Emergency Department for the Critically Ill Poisoned Patient. J Emerg Med. 2016 Aug;51(2):203-14. PubMed PMID: 26972018
• Marin JR, Abo AM, Arroyo AC, Doniger SJ, Fischer JW, Rempell R, Gary B, Holmes JF, Kessler DO, Lam SH, Levine MC, Levy JA, Murray A, Ng L, Noble VE, Ramirez-Schrempp D, Riley DC, Saul T, Shah V, Sivitz AB, Tay ET, Teng D, Chaudoin L, Tsung JW, Vieira RL, Vitberg YM, Lewiss RE. Pediatric emergency medicine point-of-care ultrasound: summary of the evidence. Crit Ultrasound J. 2016 Dec;8(1):16. PubMed PMID: 27812885
• Lam SH, Kerwin C, Konicki PJ, Goodwine D, Lambert MJ. Body Mass Index is a Poor Predictor of Bedside Appendix Ultrasound Success or Accuracy. West J Emerg Med. 2016 Jul;17(4):454-9. PubMed PMID: 27429696
• Frazer EE, Badillo CP, Lam SH. Rapid Detection of Intracardiac Thrombus with Bedside Echocardiography. J Emerg Med. 2016 Mar;50(3):501-3. PubMed PMID: 26810025
• Gaspari R, Weekes A, Adhikari S, Noble VE, Nomura JT, Theodoro D, Woo MY, Atkinson P, Blehar D, Brown SM, Caffery T, Haines C, Lam S, Lanspa M, Lewis M, Liebmann O, Limkakeng A, Platz E, Moore C, Raio C. Comparison of outcomes between pulseless electrical activity by electrocardiography and pulseless myocardial activity by echocardiography in out-of-hospital cardiac arrest; secondary analysis from a large, prospective study. Resuscitation. 2021 Dec;169:167-172. PubMed PMID: 34798178
• Gaspari R, Weekes A, Adhikari S, Noble V, Nomura JT, Theodoro D, Woo M, Atkinson P, Blehar D, Brown S, Caffery T, Douglass E, Fraser J, Haines C, Lam S, Lanspa M, Lewis M, Liebmann O, Limkakeng A, Lopez F, Platz E, Mendoza M, Minnigan H, Moore C, Novik J, Rang L, Scruggs W, Raio C. A retrospective study of pulseless electrical activity, bedside ultrasound identifies interventions during resuscitation associated with improved survival to hospital admission. A REASON Study. Resuscitation. 2017 Nov;120:103-107. PubMed PMID: 28916478
• Gaspari R, Weekes A, Adhikari S, Noble VE, Nomura JT, Theodoro D, Woo M, Atkinson P, Blehar D, Brown SM, Caffery T, Douglass E, Fraser J, Haines C, Lam S, Lanspa M, Lewis M, Liebmann O, Limkakeng A, Lopez F, Platz E, Mendoza M, Minnigan H, Moore C, Novik J, Rang L, Scruggs W, Raio C. Reply to Letter: Letter to the Editor regarding Gaspari and colleague's "Emergency department point-of-care ultrasound in out-of-hospital and in-ED cardiac arrest". Resuscitation. 2017 May;114:e7-e8. PubMed PMID: 28219757
• Long MT, Lam S. Point-of-Care Ultrasound to Evaluate a Teenager with Presyncope. West J Emerg Med. 2016 Mar;17(2):195. PubMed PMID: 26973751
• Gaspari R, Weekes A, Adhikari S, Noble VE, Nomura JT, Theodoro D, Woo M, Atkinson P, Blehar D, Brown SM, Caffery T, Douglass E, Fraser J, Haines C, Lam S, Lanspa M, Lewis M, Liebmann O, Limkakeng A, Lopez F, Platz E, Mendoza M, Minnigan H, Moore C, Novik J, Rang L, Scruggs W, Raio C. Emergency department point-of-care ultrasound in out-of-hospital and in-ED cardiac arrest. Resuscitation. 2016 Dec;109:33-39. PubMed PMID: 27693280
• Probst MA, Dayan PS, Raja AS, Slovis BH, Yadav K, Lam SH, Shapiro JS, Farris C, Babcock CI, Griffey RT, Robey TE, Fortin EM, Johnson JO, Chong ST, Davenport M, Grigat DW, Lang EL. Knowledge Translation and Barriers to Imaging Optimization in the Emergency Department: A Research Agenda. Acad Emerg Med. 2015 Dec;22(12):1455-64. PubMed PMID: 26568148
• Robertson RL, Palasis S, Rivkin MJ, Pruthi S, Bartel TB, Desai NK, Kadom N, Kulkarni AV, Lam HFS, Maheshwari M, Milla SS, Mirsky DM, Myseros JS, Partap S, Radhakrishnan R, Soares BP, Trout AT, Udayasankar UK, Whitehead MT, Karmazyn B. ACR Appropriateness Criteria® Cerebrovascular Disease-Child. J Am Coll Radiol. 2020 May;17(5S):S36-S54. PubMed PMID: 32370977
• Tekes A, Palasis S, Durand DJ, Pruthi S, Booth TN, Desai NK, Jones JY, Kadom N, Lam HFS, Milla SS, Mirsky DM, Partap S, Robertson RL, Ryan ME, Saigal G, Setzen G, Soares BP, Trout AT, Whitehead MT, Karmazyn B. ACR Appropriateness Criteria(®) Sinusitis-Child. J Am Coll Radiol. 2018 Nov;15(11S):S403-S412. PubMed PMID: 30392608
• Safdar NM, Rigsby CK, Iyer RS, Alazraki AL, Anupindi SA, Bardo DME, Brown BP, Chan SS, Chandra T, Dillman JR, Dorfman SR, Garber MD, Lam HFS, Nguyen JC, Siegel A, Widmann RF, Karmazyn B. ACR Appropriateness Criteria(®) Acutely Limping Child Up To Age 5. J Am Coll Radiol. 2018 Nov;15(11S):S252-S262. PubMed PMID: 30392594
• Chang CD, Saidinejad M, Atanelov Z, Dietrich AM, Lam SH, Rose E, Ruttan T, Shahid S, Stoner MJ, Sulton C, Chumpitazi CE. Emergency department strategies to combat the opioid crisis in children and adolescents. J Am Coll Emerg Physicians Open. 2021 Aug;2(4):e12512. PubMed PMID: 34322681
• Lee S, Lam SH, Hernandes Rocha TA, Fleischman RJ, Staton CA, Taylor R, Limkakeng AT. Machine Learning and Precision Medicine in Emergency Medicine: The Basics. Cureus. 2021 Sep;13(9):e17636. PubMed PMID: 34646684
• Gold D, Levine M, Hsu D, Way DP, Shefrin AE, Lam SHF, Lewiss R, Marin JR. Design of a point-of-care ultrasound curriculum for pediatric emergency medicine fellows: A Delphi study. AEM Educ Train. 2021 Aug;5(4):e10700. PubMed PMID: 34901685
• Constantine E, Levine M, Abo A, Arroyo A, Ng L, Kwan C, Baird J, Shefrin AE. Core Content for Pediatric Emergency Medicine Ultrasound Fellowship Training: A Modified Delphi Consensus Study. AEM Educ Train. 2020 Apr;4(2):130-138. PubMed PMID: 32313859
• Lam SHF, Homme J, Avarello J, Heins A, Pauze D, Mace S, Dietrich A, Stoner M, Chumpitazi CE, Saidinejad M. Use of antitussive medications in acute cough in young children. J Am Coll Emerg Physicians Open. 2021 Jun;2(3):e12467. PubMed PMID: 34179887
• Gaspari R. Reply to: In a subset of PEA patients, do continuous infusions of adrenergic agents improve chances of ROSC?. Resuscitation. 2018 Apr;125:e2. PubMed PMID: 29382568

Practice Locations

Children's Hospital Colorado Anschutz Medical Campus
13123 East 16th Ave
Aurora, CO 80045
720-777-1234

Children's Hospital Colorado South Campus - Highlands Ranch
1811 Plaza Drive
Highlands Ranch, CO 80129
720-478-1234

Children's Hospital Colorado North Campus - Broomfield
469 State Highway 7
Broomfield, CO 80023
720-478-5000

Hospital Affiliation

• Children's Hospital Colorado
• Denver Health Medical Center

Specialty Information

Specialties

• Emergency Medicine, Board Certification
• Pediatric Emergency Medicine, Board Certification