David J. Callans - Faculty Biosketch

David J. Callans, MD

Professor of Medicine (Cardiovascular Medicine) at the Hospital of the University of Pennsylvania and the Presbyterian Medical Center of Philadelphia

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Department: Medicine

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46 Contact information
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Hospital of the University of Pennsylvania
21 Cardiology Division
3b 3400 Spruce Street
Philadelphia, PA 19104

30 Office: (215) 662-6052
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Email:
david.callans@uphs.upenn.edu

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18 Publications
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Links
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8e Penn Health Profile
7f Cardiovascular Division Faculty
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13 Education:
21 9 A.B. 20 (Biological Sciences) c
2e University of Chicago, 1982.
21 9 M.D. c
39 Johns Hopkins School of Medicine, 1986.
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1f Post-Graduate Training
24 6a Intern in Medicine, Hospital of the University of Pennsylvania, Philadelphia, 1986-1987.
24 6c Resident in Medicine, Hospital of the University of Pennsylvania, Philadelphia, 1987-1989.
24 7f Fellowship in Cardiac Electrophysiology, Hospital of the University of Pennsylvania, Philadelphia, 1989-1991.
24 70 Fellowship in Cardiology, Hospital of the University of Pennsylvania, Philadelphia, 1991-1993.
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17 Certifications
28 3c American Board of Internal Medicine, 1989.
28 57 American Board of Internal Medicine – Cardiovascular Disease, 1993.
28 5b American Board of Internal Medicine – Cardiac Electrophysiology , 1994.
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b6 > Perelman School of Medicine > Faculty > Details a

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Selected Publications

135 Dixit S, Gerstenfeld EP, Callans DJ, Marchlinski FE: Electrocardiographic patterns of superior right ventricular outflow tract tachycardias: Distinguishing septal and free-wall sites of origin. J Cardiovasc Electrophysiol 14: 1-7, 2003.

13c Rho RW, Patel VV, Gerstenfeld EP, Dixit S, Poku JW, Ross HM, Callans D, Kocovic DZ: Elevations in ventricular pacing threshold with the use of the Y adaptor: implications for biventricular pacing. Pacing Clin Electrophysiol 26: 747-751, 2003.

133 Marchlinski FE, Callans D, Dixit S, Gerstenfeld EP, Rho R, Ren JF, Zado E: Efficacy and safety of targeted focal ablation versus PV isolation assisted by magnetic electroanatomic mapping. J Cardiovasc Electrophysiol 14: 358-365, 2003.

166 Dixit S, Gerstenfeld E, Rho RW, Patel V, Callans DJ, Marchlinski FE: Change in distant atrial activation patterns during circumferential pacemapping of pulmonic vein ostium: Implications for localizing triggers for atrial fibrillation. J Intervent Cardiac Electrophys 8: 187-193, 2003.

143 Gerstenfeld EP, Dixit S, Callans DJ, Rajawat Y, Rho R, Marchlinski FE: Quantitative comparison of spontaneous and paced 12-lead electrocardiogram during right ventricular outflow tract ventricular tachycardia. J Amer Coll Cardiol 41: 2046-2053, 2003.

14f Gerstenfeld EP, Callans DJ, Dixit S, Zado E, Marchlinski FE: Incidence and location of focal atrial fibrillation triggers in patients undergoing repeat pulmonary vein isolation: Implications for ablation strategies. J Cardiovasc Electrophysiol 14: 685-690, 2003.

181 Dixit S, Gerstenfeld EP, Rho RW, Beshai JF, Lin D, Poku JW, Zado E, Patel V, Hsia H, Kocovic DZ, Callans DJ, Marchlinski FE: Implications of anatomical location on successful electrical isolation of pulmonic veins by lass catheter guided subtotal circumferential ostial ablation. J Am Coll Cardiol 41: 93A, 2003.

128 Marchlinski FE, Dixit S, Gerstenfeld EP, Callans DJ, Beshai JF: Electrotonic potentiation of atrial fibrillation initiation from pulmonary vein triggers: Insights into arrhythmia mechanism. J Am Coll Cardiol 41: 94A, 2003.

106 Nayak H, et al: Ventricular tachycardia storm after initiation of biventricular pacing in patients with prior inferior-inferolateral myocardial infarction. J Am Coll Cardiol 41: 128A, 2003.

13d Patel V, Gerstenfeld EP, Rho RW, Dixit S. Kocovic DZ, Hsia HH, Callans DJ, Marchlinski FE: Timing of right ventricular electrograms: New criterion for localizing site of origin of left ventricular tachycardia. J Am Coll Cardiol 41: 107A, 2003.

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26 Last updated: 09/18/2025
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