Gustavo S. Guandalini, MD

faculty photo
Assistant Professor of Clinical Medicine (Cardiovascular Medicine)
Department: Medicine

Contact information
The Pavilion at the Hospital of the University of Pennsylvania
Level 2/City Side, Cardiac Electrophysiology Program
One Convention Avenue
Philadelphia, PA 19104
Office: 215-614-1889
Fax: 215-615-5441
Education:
MD (Medical School)
Federal University of Paraná, Curitiba, Brazil, 2007.
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Selected Publications

Markman TM, Lin D, Nazarian S, van Niekerk CJ, Mirwais M, Garg L, Bode W, Smietana J, Sugrue A, Patel NA, Patel D, Ha B, Hyman MC, Riley M, Callans DJ, Deo R, Yang R, Schaller RD, Kumareswaran R, Guandalini GS, Epstein AE, Marchlinski FE, Frankel DS.: Intraoperative pectoral nerve blocks during cardiac implantable electronic device procedures. Heart Rhythm 22(5): 1264-1269, 2025.

Liao TE, Xu L, Khoshknab MP, Peters CJ, Callans DJ, Marchlinski FE, Schaller RD, Frankel DS, Luebbert JJ, Guandalini GS, Nazarian S.: Techniques and outcomes of atrial fibrillation ablation in patients with persistent left superior vena cava. Journal of Clinical Electrophysiology 36(1): 179-187, 2025.

Yogasundaram H, Petzl AM, Raad M, Chaumont C, Guandalini GS, Kumareswaran R, Hyman MC, Schaller RD, Supple GE, Garcia FC, Nazarian S, Lin D, Riley MP, Dixit S, Callans DJ, Marchlinski FE, Frankel DS.: Combined catheter ablation of atrial fibrillation and premature ventricular complexes. Heart Rhythm 22(8): 2139-2140, 2025.

Yogasundaram H, Papireddy MR, Nazarian S, Guandalini GS, Markman TM, Schaller RD, Riley MP, Lin D, Dixit S, D'Souza B, Kumareswaran R, Callans DJ, Frankel DS, Garcia FC, Zado E, Deo R, Epstein AE, Supple GE, Marchlinski FE, Hyman MC.: Long-term risk of right coronary artery injury following catheter ablation of cavotricuspid isthmus-dependent flutter. Heart Rhythm 22(7): 1675-1681, 2025.

Enriquez A, Yogasundaram H, Neira V, Guandalini G, Markman T, Shivamurty P, Hyman M, Hanumanthu BK, Lin D, Schaller R, Supple G, Dixit S, Deo R, Nazarian S, Kumareswaram R, Riley M, Epstein A, Zado E, Callans D, Frankel D, Marchlinski F, Garcia F.: Stepwise anatomical approach to ablation of intramural outflow tract ventricular arrhythmias guided by septal coronary venous mapping. Circulation 152(3): 163-171, 2025.

Raad M, Oranefo J, Yogasundaram H, Gurin MI, Zado E, Walsh M, Markman T, Guandalini G, Hyman MC, Schaller R, Kumareswaran R, Supple G, Deo R, Nazarian S, Riley M, Lin D, Garcia F, Frankel DS, Callans D, Epstein AE, Marchlinski FE, Dixit S.: Temporary restoration of sinus rhythm improves outcomes of catheter ablation for longstanding persistent atrial fibrillation. Journal of Cardiac Electrophysiology 36(8): 1966-1972, 2025.

Oraii A, Chaumont C, Rodriguez-Queralto O, Wasiak M, Thind M, Peters CJ, Zado E, Hanumanthu BKJ, Markman TM, Hyman MC, Tschabrunn CM, Guandalini G, Enriquez A, Shivamurthy P, Kumareswaran R, Riley MP, Lin D, Schaller RD, Nazarian S, Callans DJ, Supple GE, Garcia FC, Frankel DS, Dixit S, Marchlinski FE.: Preprocedural screening tool to guide nonpulmonary vein trigger testing in first-time atrial fibrillation ablation. Circulation: Arrhythmia and Electrophysiology 18(1): e013351, 2025.

Petzl AM, Oranefo J, Oraii A, Riley M, Lin D, Kumareswaran R, Schaller RD, Supple GE, Markman TM, Guandalini G, Hyman MC, Frankel DS, Epstein AE, Nazarian S, Garcia FC, Deo R, Callans DJ, Marchlinski FE, Dixit S.: Outcomes in patients with cardiac amyloidosis undergoing catheter ablation for atrial arrhythmias. Heart Rhythm O2 6(8): 1088-1096, 2025.

Boyle T, Callans D, Deo R, Garcia F, Guandalini G, Hyman M, Lin D, Nazarian S, Riley M, Shivamurthy P, Supple G, Walsh M, Schaller R, Frankel D.: Lead implantation in the setting of venous occlusion: Long-term outcomes with tunneled leads. JACC: Clinical Electrophysiology 11(7): 1616-1618, 2025.

Markman T, Peters C, Tate S, Guandalini G, Hyman M, Schaller R, Supple G, Riley M, Garcia F, Nazarian S, Lin D, Dixit S, Epstein A, Callans D, Marchlinski F, Frankel D.: Accuracy of symptoms and pulse checking for detecting atrial fibrillation following catheter ablation. Journal of Interventional Cardiac Electrophysiology 67(3): 617-623, 2024.

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Last updated: 09/25/2025
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