This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Calgary directory, so their courses and email address may be missing. Find their university profile.
Research
Latest papers
Tilt testing or implantable cardiac monitoring in the diagnosis of unexplained syncope.
Internal and emergency medicine · 2026
Closed Loop Stimulation Pacing for the Prevention of Syncope in Patients With Bifascicular Block: A Proof of Principle Analysis.
The Canadian journal of cardiology · 2026
Clinical variables do not predict syncope in pacemaker patients with bifascicular block: a SPRITELY substudy.
Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2025
Latest funding
- $994,500
Role of Intermittent Hypoxia in the Pathogenesis of Obstructive Sleep Apnea
CIHR · 2026 · Co-investigator
- $857,565
Understanding the Physiological Effects of Wearable Vagal Neuromodulation in Postural Orthostatic Tachycardia Syndrome
CIHR · 2025 · Nominated PI
- $120,000
Investigating the causes of chest pain and heart health in patients with Postural Orthostatic Tachycardia Syndrome
CIHR · 2024 · Supervisor
11 publications.
Tilt testing or implantable cardiac monitoring in the diagnosis of unexplained syncope.
Rabajoli A, Chew D, Szaszkiewicz J, Raj S, Cua M, Morillo C, Sheldon R
Closed Loop Stimulation Pacing for the Prevention of Syncope in Patients With Bifascicular Block: A Proof of Principle Analysis.
Judgey A, Angihan J, Hamzeh R, Raj S, Morillo C, Sheldon R
Clinical variables do not predict syncope in pacemaker patients with bifascicular block: a SPRITELY substudy.
Szaszkiewicz J, Sheldon R, Raj S, Rabajoli A
Evaluation and Management of Dyspnea in Hypermobile Ehlers-Danlos Syndrome and Generalized Hypermobility Spectrum Disorder: Protocol for a Pilot and Feasibility Randomized Controlled Trial
Rozenberg D, Al Kaabi N, Perez EC, Nourouzpour S, Lopez-Hernandez L, McGillis L, Goligher E, Reid WD, Chow C-W, Ryan CM
Current approach to the treatment of vasovagal syncope in adults.
Hatoum T, Raj S, Sheldon RS
Serotonin reuptake inhibition for the prevention of vasovagal syncope: a systematic review and meta-analysis.
Raj P, Lei L, Flevaris P, Raj S, Sheldon R
Quality of life and injury due to vasovagal syncope.
Jorge J, Raj S, Liang Z, Sheldon R
Twelve-Year Temporal Trends in Ambulance Use for Patients Hospitalized With a Primary Diagnosis of Syncope in Canada.
Gupta AK, Savu A, Sheldon RS, Raj S, Kaul P, Sandhu RK
Predicting syncope: The first step in a long journey?
Sheldon RS, Raj S
Management of Postural Tachycardia Syndrome, Inappropriate Sinus Tachycardia and Vasovagal Syncope.
Raj S, Sheldon R
Role of Intermittent Hypoxia in the Pathogenesis of Obstructive Sleep Apnea
Principal investigators: Poulin, Marc J
Keywords: Cerebral Blood Flow; Chronic Disease; Endothelial Dysfunction; Hypoxia And Hypercapnia; Hypoxia Burden; Mechanisms; Obstructive Sleep Apnea; Sleep; Treatment; Ventilatory Stability
Understanding the Physiological Effects of Wearable Vagal Neuromodulation in Postural Orthostatic Tachycardia Syndrome
Principal investigators: Raj, Satish R; Chakraborty, Praloy
Keywords: Autonomic Dysfunction; Autonomic Nervous System; Dysautonomia; Heart Rate; Neuromodulation; Orthostatic; Postural Orthostatic Tachycardia Syndrome; Tachycardia; Vagal Nerve Stimulation
Investigating the causes of chest pain and heart health in patients with Postural Orthostatic Tachycardia Syndrome
Principal investigators: Karalasingham, Kavithra
Keywords: Chest Pain; Compliance; Eds; Fibrosis; Heart Health; Microvascular Flow; Pots
Assessment of Autonomic Nervous System Function in Post-Acute Sequelae of COVID-19 (PASC) and Characterization of the Patient Experience
Principal investigators: Hira, Rashmin
Keywords: Autonomic Nervous System; Long Covid-19
Postural hyperventilation in patients with Postural Orthostatic Tachycardia Syndrome (POTS): Effects of posture versus tidal volume versus hypocapnia on heart rate
Principal investigators: Ranada, Shaun
Keywords: Postural Orthostatic Tachycardia Syndrome
Postural hyperventilation in POTS is not driven by exaggerated peripheral chemoreceptor activity
Principal investigators: Baker, Jacquie
Keywords: Orthostatic Hyperventilation; Postural Orthostatic Tachycardio Syndrome; Pots
Women's Cardiovascular Health Research Priority Setting
Principal investigators: Ahmed, Sofia B
Keywords: Cardiovascular; Gender; Priorities; Research; Sex; Women
Muticentre Assessment of Cardiovascular Hemodynamics and Autonomic Dysfunction with Long COVID
Principal investigators: Raj, Satish R
Keywords: Autonomic Nervous System; Baroreflex Control; Fatigue; Lightheadedness; Long Covid; Non-Invasive Hemodyanmics; Orthostatic Intolerance; Palpitation; Syncope; Tachycardia
Randomized, Prospective, Placebo-Controlled, Crossover Study of Atomoxetine in the Prevention of Vasovagal Syncope: The Seventh Prevention of Syncope Trial (POST7)
Principal investigators: Sheldon, Robert S; Raj, Satish R
Keywords: Drug Therapy; Fainting; Norepinephrine Transporter; Quality Of Life; Syncope; Vasovagal Syncope
Investigating functional Optical Coherence Tomography and hypercapnia to diagnose and treat neurogenic orthostatic hypotension
Principal investigators: Baker, Jacquie
Keywords: Autonomic Failure; Blood Pressure Control; Cerebral Autoregulation; Hypercapnia; Neurogenic Orthostatic Hypotension; Optical Coherence Tomography
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Hance Clarke and Nimish Mittal: 19 shared papers
- Hance Clarke and Daniel Santa Mina: 16 shared papers
- Hance Clarke and Dmitry Rozenberg: 13 shared papers
- Dinesh A Kumbhare and Hance Clarke: 12 shared papers
- Dmitry Rozenberg and Daniel Santa Mina: 11 shared papers
- Dmitry Rozenberg and Nimish Mittal: 11 shared papers
- Daniel Santa Mina and Nimish Mittal: 8 shared papers
- Robert Sheldon and Satish Raj: 6 shared papers
- Chung-Wai Chow and Dmitry Rozenberg: 5 shared papers
- Dinesh A Kumbhare and Nimish Mittal: 4 shared papers
- Chung-Wai Chow and Hance Clarke: 3 shared papers
- Chung-Wai Chow and Daniel Santa Mina: 3 shared papers
- Dinesh A Kumbhare and Dmitry Rozenberg: 2 shared papers
- Robert Sheldon and Derek Chew: 2 shared papers
- Chung-Wai Chow and Ewan Goligher: 2 shared papers
- Ewan Goligher and Dmitry Rozenberg: 2 shared papers
- Dinesh A Kumbhare and Satish Raj: 1 shared paper
- Dinesh A Kumbhare and Ewan Goligher: 1 shared paper
- Chung-Wai Chow and Satish Raj: 1 shared paper
- Satish Raj and Hance Clarke: 1 shared paper
- Satish Raj and Ewan Goligher: 1 shared paper
- Satish Raj and Dmitry Rozenberg: 1 shared paper
- Satish Raj and Daniel Santa Mina: 1 shared paper
- Satish Raj and Derek Chew: 1 shared paper
- Satish Raj and Nimish Mittal: 1 shared paper
- Cardiology
- Medicine/Cardiology
- Medicine
- Kinesiology
- Medicine/Respirology
- Department of Medicine
- Department of Anesthesiology and Pain Medicine
- Other
Co-authors at University of Calgary, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Robert Sheldon
Medicine/Cardiology
6 shared papers, latest 2026
Hance Clarke
Department of Anesthesiology and Pain Medicine
1 shared papers, latest 2023
Ewan Goligher
Department of Medicine
1 shared papers, latest 2023
Dmitry Rozenberg
Medicine/Respirology
1 shared papers, latest 2023
Daniel Santa Mina
Faculty
1 shared papers, latest 2023
Derek Chew
Medicine
1 shared papers, latest 2026
Nimish Mittal
Faculty
1 shared papers, latest 2023
Dinesh A Kumbhare
Kinesiology
1 shared papers, latest 2023
Chung-Wai Chow
Faculty
1 shared papers, latest 2023
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