New Bolton Center Kennett Square, PA
Emergencies & Appointments:
Ryan Hospital Philadelphia, PA


Associate Professor of Cardiology/Ultrasound, University of Pennsylvania School of Veterinary Medicine

Service Chief, Cardiology and Ultrasound, University of Pennsylvania, New Bolton Center

Diplomate of the American College of Veterinary Internal Medicine

Clinical Specialties: Cardiology, Ultrasound
Research Areas: Equine cardiopulmonary monitoring, Equine stress echocardiography

Contact Information:
University of Pennsylvania
School of Veterinary Medicine
Dept of Clinical Studies
New Bolton Center
382 West Street Road

Title: Effects of anesthesia on cardiac troponin I concentrations in horses
Investigators: J Slack (PI), V Reef
Dates: 2006-2007

Title: Echocardiographic determination of pulmonary artery pressure in the horse.
Investigators: MM Durando (PI), J Slack (co-investigator), V Reef, EK Birks
Dates: 2004-2006

Title: Right ventricular pressure dynamics and stress echocardiography in pharmacologic and exercise stress testing.
Investigators: MM Durando (PI), J Slack (collaborator), V Reef, EK Birks (Co-PI)
Dates: 2004-2006

Luethy D, Slack J, Kraus M, Gelzer A, Habecker P, Johnson A. Third-degree atrioventricular block and collapse associated with eosinophilic myocarditis in a horse JVIM : , 2017.

Schnobrich MR, Turner RO, Slack J*. Transrectal ultrasonographic characterization of the accessory sex glands, pelvic urethra and ureters in normal geldings Theriogenology 85: 186-192, 2016.

Navas des Solis C, Reef VB, Slack J*, Cunilleras EJ Evaluation of coagulation and fibrinolysis in horses with atrial fibrillation JAVMA 248: 201-206, 2016.

Navas des Solis C, Dallap-Shaer B, Boston R, Slack J*. Myocardial insult and arrhythmias after acute hemorrhage in horses. JVECC 25: 248-255, 2015.

Slack J and Marr C Cardiac rhythm-New technology brings new insights European Trainer 47: , 2014.

Slack J*, Boston R, Soma L, Reef V Occurrence of cardiac arrhythmias in Standardbred racehorses. EVJ 10: , 2014.

Navas des Solis C, Slack J* and Reef VB Hypertensive cardiomyopathy in 5 horses (1995-2011) JAVMA 1: 126-130, 2013.

Peters S, Slack J*, Stewart S, Navas des Solis C A case of myocardial contusion and rib fracture repair in an adult horse. JVECC 23: 663-669, 2013.

Holl H, Lear T, Nolen-Walston R, Slack J*, Brook S. Detection of two equine trisomies using SNP-CGH. Mammalian Genome Mammalian Genome 24: 252-256, 2013.

Slack J*, Boston RC, Soma L, Reef VB Cardiac troponin I in a large population of racing Standardbreds J Vet Intern Med 26: 1202-1208, 2012.

MS University of Wisconsin, Madison, 2003

DVM University of Wisconsin, Madison, 1998

BS University of Connecticut, Storrs, 1991