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Gayle Hallowell

Lecturer in Large Animal Internal Medicine and Critical Care, Faculty of Medicine & Health Sciences

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Expertise Summary

Dr Gayle Hallowell graduated from the University of Cambridge in 1999 with a first class honours degree in Zoology (BA then MA) and then achieved her veterinary degree with a distinction in 2002. On completion of her veterinary degree she undertook a 12 month junior clinical training scholarship in equine studies and then a three-year senior clinical training scholarship in equine medicine and critical care at the Royal Veterinary College. During her residency she became more interested and involved in the diagnosis and management of food animal and camelid internal medicine cases. These posts led to the acquisition of an RCVS certificate in veterinary anaesthesia and a diploma in Large animal internal medicine awarded by the American College of Veterinary Internal Medicine. Whilst at the Royal Veterinary College, Dr Hallowell was also employed as a clinical instructor in cross-species anaesthesia and as a Lecturer in Eqwuine Medicine. In 2007, Dr Hallowell undertook a three year resarch scholarship at the University of Nottingham funded by the Horserace Betting Levy Board investigating aortic valve prolapse in the Horse resulting in the award of PhD in November 2010. In 2007 Dr Hallowell was also made Special Lecturer in Large Animal Internal Medicine and Critical Care at the University of Nottingham and contributed to design and delivery of various areas of the curriculum. In 2010, Dr Hallowell received tenure at the University of Nottingham and is appointed as Lecturer in Large Animal Medicine and Critical Care. She is module leader for the Equine Practice Rotation in final year and also contributes to the Farm skills rotation in addition to delivering teaching material in all parts of the undergraduate course on a variety of basic science and clinical topics. She is also Sub-dean for Continuing Education and is currently designing a CPD and a clinical post-graduate qualification prorgramme. Recent qualification acquisitions include Fellowship of the Higher Education Academy, RCVS specialist status in Equine Internal Medicine, Associate Diplomate of the European College of Veterinary Diagnostic Imaging and Diplomate of the American College of Emergency and Critical Care.

Teaching Summary

Clinical and research interests:

In addition to Dr Hallowell's clinical and research interest in equine cardiology, she is interested in large animal criticial care, particularly conditions causing cardiovascular and gastro-intestinal pertubations and fluid therapy. Additionally, she is passionate about large animal diagnostic imaging, particularly the value of ultrasound for diagnosis of disease. Other clinical areas of specific interest include large animal and equine ophthalmology, neurology and anaesthesia.

Selected Publications

Hallowell GD, Potter TJ and Aldridge B. Medical management of the bovine surgical patient. In Practice. In press.

Draper ACE, Bowen IM and Hallowell GD. Repeatability and reproducibility of transabdominal ultrasonograhic renal loci and dimensions in Thoroughbred horses. Vet Radiol Ultrasound. In press.

Hallowell GD. (2011) Assessment of aortic regurgitation in horses: What is the evidence-based medicine? ACVIM forum conference proceedings, Denver, CO. 226.

Bithell S, Habershon-Butcher JL, Bowen IM and Hallowell GD (2010). Repeatability and reproducibility of transabdominal ultrasonographic intestinal wall thickness measurements in Thoroughbred horses. Vet Radiol Ultrasound. Nov-Dec; 51(6):647.

Hallowell GD and Bowen IM. (2011) Is the phenotype of prolapsing aortic valve cusps different from normal and diseased ones? J Vet Int Med 25(3) 663.

Hallowell GD and Bowen IM (2009). Aortic Valve Prolapse in the Horse: Epidemiology and the Effects of Training. ACVIM forum proceedings, Montreal, 2009.155.

Hallowell GD (2009) Cardiovascular emergencies in the critical equine patient. Pratique Veterinaire Equine. 41. 1.

Corley KTT and Hallowell GD. Treatment of endotoxemia. In: The Equine Acute Abdomen. Eds White N, Moore J and Mair T. Teton New Media. Released May 2009.

Hallowell GD (2008) Retrospective study assessing efficacy of treatment of large colonic impactions. Equine Vet J. 2008 Jun;40(4):411.

Hallowell GD and Bowen IM (2008) Echocardiographic identification and repeatability of measurements pertaining to aortic valve prolapse in the horse. J Vet Int Med 22(3);736.

Hallowell GD and Bowen IM. (2007) Practical ultrasonography of the equine eye. Eq Vet Educ. Dec: 19(11): 600.

  • DRAPER ACE, BOWEN IM and HALLOWELL GD, 2011. Reference Ranges And Reliability Of Transabdominal Ultrasonographic Renal Dimensions In Thoroughbred Horses. Veterinary Radiology & Ultrasound : The Official Journal Of The American College Of Veterinary Radiology And The International Veterinary Radiology Association. (In Press.)
  • BITHELL, S, HABERSHON-BUTCHER, J.L, BOWEN, I.M and HALLOWELL, G.D., 2010. REPEATABILITY AND REPRODUCIBILITY OF TRANSABDOMINAL ULTRASONOGRAPHIC INTESTINAL WALL THICKNESS MEASUREMENTS IN THOROUGHBRED HORSES Veterinary Radiology and Ultrasound. 51(6), 647-651
  • TIMOTHY J. POTTER, GAYLE D. HALLOWELL, I. MARK BOWEN, 2008. ULTRASONOGRAPHIC ANATOMY OF THE BOVINE EYE Veterinary Radiology & Ultrasound, Volume 49, Issue 2, Page 172-175, Mar 2008,. 49(2), 172-175
  • HABERSHON-BUTCHER, JL, SMYTH, JBA and HALLOWELL, GD, 2008. Bile Duct Carcinoma In A Gelding Veterinary Record. 162(9), 281-282
  • HALLOWELL GD, 2008. Retrospective Study Assessing Efficacy Of Treatment Of Large Colonic Impactions. Equine Veterinary Journal. 40(4), 411-3
  • HALLOWELL, G D, POTTER, T J and BOWEN, I M, 2007. Methods and normal values for echocardiography in adult dairy cattle. Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology. 9(2), 91-8
  • HALLOWELL, G.D and BOWEN, I.M., 2007. Practical ultrasonography of the equine eye Equine Veterinary Education. 19(11), 600-605
  • HALLOWELL, GD, POTTER, TJ and MILLS, NJ, 2007. Labial Fusion Causing Urinary Tract Obstruction In An Alpaca Cria Veterinary Record. 161(25), 862-862
  • HALLOWELL, GD and CORLEY, KTT, 2006. Preoperative Administration Of Hydroxyethyl Starch Or Hypertonic Saline To Horses With Colic
  • HALLOWELL GD and CORLEY KTT, 2005. Use Of Lithium Dilution And Pulse Contour Analysis Cardiac Output Determination In Anaesthetized Horses: A Clinical Evaluation. Veterinary Anaesthesia And Analgesia. 32(4), 201-11
  • HALLOWELL, GD and CORLEY, KTT, 2005. Use Of Lithium Dilution And Pulse Contour Analysis Cardiac Output Determination In Anaesthetized Horses: A Clinical Evaluation Veterinary Anaesthesia And Analgesia. 32(4), 201-211
  • BITHELL S, HABERSHON-BUTCHER JL, BOWEN IM and HALLOWELL GD, 1. Repeatability And Reproducibility Of Transabdominal Ultrasonographic Intestinal Wall Thickness Measurements In Thoroughbred Horses. Veterinary Radiology & Ultrasound : The Official Journal Of The American College Of Veterinary Radiology And The International Veterinary Radiology Association. 51(6), 647-51
  • POTTER TJ, HALLOWELL GD and BOWEN IM, 1. Ultrasonographic Anatomy Of The Bovine Eye. Veterinary Radiology & Ultrasound : The Official Journal Of The American College Of Veterinary Radiology And The International Veterinary Radiology Association. 49(2), 172-5
  • HALLOWELL GD, POTTER TJ and MILLS NJ, 1. Labial Fusion Causing Urinary Tract Obstruction In An Alpaca Cria. The Veterinary Record. 161(25), 862
  • HALLOWELL GD and CORLEY KTT, 1. Preoperative Administration Of Hydroxyethyl Starch Or Hypertonic Saline To Horses With Colic. Journal Of Veterinary Internal Medicine / American College Of Veterinary Internal Medicine. 20(4), 980-6
  • HALLOWELL, GD and BOWEN, IM, IS THE PHENOTYPE OF PROLAPSING AORTIC VALVE CUSPS DIFFERENT FROM NORMAL AND DISEASED ONES? In: 663-664
  • HALLOWELL, GD, BOWEN, IM and POTTER, TJ, TRANSABDOMINAL ULTRASONOGRAPHIC GASTRO-INTESTINAL WALL THICKNESS IN ADULT CATTLE, SHEEP AND GOATS. In: 759-759
  • HALLOWELL, GD and POTTER, TJ, Echocardiographic assessment of right ventricular size in cattle In: 713-713
  • HALLOWELL, GD and POTTER, TJ, Normal echocardiographic appearance and dimensions in adult alpacas In: 715-715
  • HALLOWELL, GD and BOWEN, IM, Echocardiographic repeatability of equine aortic valve prolapse In: 736-736
  • HALLOWELL, GD and POTTER, TJ, Quantitative myocardial imaging (X-strain (TM)) and right ventricular function in adult dairy cattle In: 814-814
  • HALLOWELL, GD, POTTER, TJ and BOWEN, IM, Normal echocardiographic appearance and measurements in adult cattle. In: 586-586
  • HALLOWELL, GD, POTTER, TJ and BOWEN, IM, Normal echocardiographic appearance and measurements in adult sheep and goats. In: 587-587
  • HALLOWELL, GD and BOWEN, IM, Cardiac troponin I in equine surgical colic patients: Myocardial damage due to endotoxemia or hypoperfusion? In: 604-604
  • HALLOWELL, GD, POTTER, TJ and BOWEN, IM, Ultrasonographic anatomy of the bovine eye. In: 723-723
  • DRAPER ACE, BOWEN IM and HALLOWELL GD, Repeatability and reproducibility of transabdominal ultrasonograhic renal loci and dimensions in thoroughbred horses. Vet Radiology Ultrasound. (In Press.)

School of Veterinary Medicine and Science

University of Nottingham
Sutton Bonington Campus
Leicestershire, LE12 5RD

telephone: +44 (0)115 951 6116
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email: veterinary-enquiries@nottingham.ac.uk