Facebook Pixel Code
About Sickkids
About SickKids

Mark Tessaro, MD, FRCPC< RCPSC (PEM)

The Hospital for Sick Children
Staff Physician
Paediatric Emergency Medicine

Phone: 416-813-7654 ext. 201417
Fax: 416-813-5043
Email: mark.tessaro@sickkids.ca

Brief Biography

Dr. Tessaro completed his paediatrics residency and paediatric emergency medicine fellowship at The Hospital for Sick Children in Toronto.  He then completed a fellowship in pediatric emergency medicine ultrasound at Maimonides Medical Center in Brooklyn, New York

Clinical Care Activities

  • Interim Program Director, Emergency Ultrasound Fellowship Program
  • Research Lead Emergency Ultrasound Program, Emergency Physician, Paediatric Emergency Medicine

Academic Background

  • Residency; Paediatrics, The Hospital for Sick Children
  • Fellowship: Paediatric Emergency Medicine, The Hospital for Sick Children
  • Fellowship:  Pediatric Emergency Medicine Ultrasound, Maimonides Medical Center

Research Interests

Dr. Tessaro is engaged in projects with emergency point-of-care ultrasound, establishing its value in clinical pathways and formally measuring its impact in care, while examining its relevance to procedures, timeliness and accuracy of diagnosis.  He focuses on technology evaluation, cost-effectiveness, usability and outcomes measurement through seminars, courses and project-based work.


Seguin J, Tessaro MO. A simple, inexpensive phantom model for intubation ultrasonography training. Chest. 2017 May; 151(5): 1194-96.

Kessler D, Ng L, Tessaro Mo, Fischer J. Precision medicine with point-of-care ultrasound: the future of personalized pediatric emergency care. Pediatr Emerg Care. 2017 Mar: 33(3): 2016-209.

Atkinson P, Bowra J, Milne J, et al. International federation for emergency medicine consensus statement: sonography in hypotension and cardiac arrest (SHoC): an international consensus on the use of point-of-care ultrasound for undifferentiated hypotension and during cardiac arrest. CJEM. 2016 Dec 21:1-12.

Jones SD, Fischer JW, Kwan CW, Tessaro MO. Traumatic femoral artery thrombosis diagnosed by point-of-care ultrasonography in the pediatric emergency department. Pediatr Emerg Med. 2016; 32(12):885-7.

James V, Alsani FS, Fregonas C, Seguin J, Tessaro MO. Point-of-Care ultrasound in pediatric small bowel obstruction: an ED case series. Am J Emerg Med. 2016. June 6 pii: S0735-6757(16)30233-9.

Tessaro MO. Visual Diagnosis: a boy with a fever and a swollen, blistering finger. Pediatr Rev. 2016. May 37(5): e19-21.

Simone LA, Orsborn J, Berant R, Tessaro MO.  Point-of-care ultrasonography in the detection of pediatric esophageal food impaction. Am J Emerg Med. 2015 Aug 13. [Epub ahead of print].

Saracino C, Tessaro MO. Pneumomediastinum as a sonographic mimic of pneumothorax. Journal of Ultrasound in Medicine. 2015 34(8):1521-2. 

Chandra A, Zerzan J, Arroyo A, Levine M, Dickman E, Tessaro M.  Point-of-Care ultrasound in Pediatric urolithiasis: an emergency department case series. Am J Emerg Med. 2015 Jun 23 [Epub ahead of print]. 

Tessaro MO, Salant E, Arroyo A, Haines L, Dickman E. Tracheal rapid ultrasound saline test (T.R.U.S.T.) for confirming correct endotracheal tube depth in children. Resuscitation. 2015 Apr. 89: 8-12. 

Tessaro MO, McGovern TR, Dickman E, Haines LE.  Point-of-Care ultrasound detection of acute scaphoid fracture. Ped Emerg Care. 2015 Mar. 31(3):  222-24

Dickman E, Tessaro MO, Arroyo AC, Haines L, Marshall JP. Clinician-performed abdominal sonography. European Journal of Trauma and Emergency Surgery. ePub ahead of print 2015 Mar 21. 

Chou EH, Dickman E, Tsou PY, Tessaro M, Tsai YM, Ma MH, Lee CC, Marshall J.  Ultrasonography for confirmation of endotracheal tube placement:  a systematic review and meta-analysis. Resuscitation.  2015 Feb 21. 90: 97-103.  

Tessaro M, Arroyo A, Haines L, Dickman E. Inflating the endotracheal tube cuff with saline to   confirm correct depth using bedside ultrasonography. Canadian Journal of Emergency    Medicine. 2014. 17(1): 94-8. 

Jones P, Papadimitropoulos L, Tessaro M. Thyrotoxic periodic paralysis in a pediatric patient.  Pediatric Emergency Care. 2014, 30: 35-37. 

Tessaro M. Blistering distal dactylitis. Pediatrics in Review. In press. 

Pe M, Dickman E, Tessaro M. A novice user of pediatric emergency point-of-care ultrasonography avoids misdiagnosis in a case of chronic abdominal distention. Pediatric  Emergenct Care. In Press.

Miranda CJ, Santos MM, Oshima K, Tessaro M, Sequeiros J, Pandolfo M. Frataxin overexpressing mice. FEBS Letter. 2004 Aug 13; 572(1-3): 281-8. 

Tessaro M, Naser B. pain and Sedation.  The Hospital for Sick Children Handbook of pediatrics, 11th Ediction. Toronto: Elsevier Health Sciences.

Tessaro M, Minnes B. Antiobiotic Asssociated diarrhea. Citizenship and Immigration Canada Translation Project, www.aboutkidshealth.com