Wendy Tzou, MD, FACC, FHRS
Associate Professor, Medicine-Cardiology

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Medical School:
  • MD, Johns Hopkins University School of Medicine (2001)
Undergraduate School:
  • BS, Ohio State University (OH) (1997)
Residency:
  • University of Wisconsin (Madison) Program, Internal Medicine (2004)
Fellowships:
  • Hospital of the University of Pennsylvania, Clinical Cardiac Electrophysiology (2010)
  • Hospital of the University of Pennsylvania, Cardiovascular Disease (2008)
  • University of Wisconsin (Madison) Program, Cardiovascular Disease (2005)
  • University of Pennsylvania Health System Program, Cardiovascular Disease (2006)
Languages: English
Department: Medicine-Cardiology

Professional Titles

  • Director, Cardiac Electrophysiology
  • Director, Cardiology Platinum Service

Recognition & Awards

  • 5280 Top Doctor, 5280 Magazine (2020)
  • 5280 Top Doctor, 5280 Magazine (2019)
  • 5280 Top Doctor, 5280 Magazine (2017)

Teaching

  • Associate Professor (2017)
    School of Medicine, Medicine
    Ventricular arrhythmias Atrial arrhythmias Complex catheter ablation Cardiac rhythm devices
  • Assistant Professor (2011)
    School of Medicine, Medicine

Publications

  • Aksu T, De Potter T, John L, Osorio J, Singh D, Alyesh D, Baysal E, Kumar K, Mikaeili J, Dal Forno A, Yalin K, Akdemir B, Woods CE, Salcedo J, Eftekharzadeh M, Akgun T, Sundaram S, Aras D, Tzou WS, Gopinathannair R, Winterfield J, Gupta D, Davila A. Procedural and short-term results of electroanatomic-mapping-guided ganglionated plexus ablation by first-time operators: A multicenter study. J Cardiovasc Electrophysiol. 2022 Jan;33(1):117-122. PubMed PMID: 34674347
  • Kim RS, Simon S, Powers B, Sandhu A, Sanchez J, Borne RT, Tumolo A, Zipse M, West JJ, Aleong R, Tzou W, Rosenberg MA. Machine Learning Methodologies for Prediction of Rhythm-Control Strategy in Patients Diagnosed With Atrial Fibrillation: Observational, Retrospective, Case-Control Study. JMIR Med Inform. 2021 Dec 6;9(12):e29225. PubMed PMID: 34874889
  • Sabzwari SRA, Tzou WS. Systemic Diseases and Heart Block. Card Electrophysiol Clin. 2021 Dec;13(4):721-740. PubMed PMID: 34689899
  • Barrett C, Sandhu A, Tzou W. Electrophysiologic Implications of Transcatheter Aortic Valve Replacement: Incidence, Outcomes, and Current Management Strategies. Curr Cardiol Rep. 2021 Oct 1;23(11):167. PubMed PMID: 34599417
  • Al-Ahmad A, Knight B, Tzou W, Schaller R, Yasin O, Padmanabhan D, Zagrodzky J, Bassiouny M, Burkhardt JD, Gallinghouse GJ, Mansour M, McLeod C, Natale A. Evaluation of a novel cardiac signal processing system for electrophysiology procedures: The PURE EP 2.0 study. J Cardiovasc Electrophysiol. 2021 Nov;32(11):2915-2922. PubMed PMID: 34554634
  • Varela DL, Rosenberg MA, Borne RT, Sandhu A, Zipse MM, Tzou WS, Sauer WH, Scheinman MM, Nguyen DT. Increased incidence of cavotricuspid isthmus atrial flutter following slow pathway ablation. J Interv Card Electrophysiol. 2021 Sep 17. [Epub ahead of print] PubMed PMID: 34532821
  • Kunkel M, Rothstein P, Sauer P, Zipse MM, Sandhu A, Tumolo AZ, Borne RT, Aleong RG, Cleveland JC Jr, Fullerton D, Pal JD, Davies AS, Lane C, Nguyen DT, Sauer WH, Tzou WS. Open surgical ablation of ventricular tachycardia: Utility and feasibility of contemporary mapping and ablation tools. Heart Rhythm O2. 2021 Jun;2(3):271-279. PubMed PMID: 34337578
  • Sanchez JM, Farasat M, Levy AE, Douglas IS, Stauffer BL, Tzou WS, West JJ. A novel approach to electrocardiography in the prone patient. Heart Rhythm O2. 2021 Feb;2(1):107-109. PubMed PMID: 34113910
  • Barrett C, Tzou WS. Utility of Intracardiac Echocardiography for Guiding Ablation of Ventricular Tachycardia in Nonischemic Cardiomyopathy. Card Electrophysiol Clin. 2021 Jun;13(2):337-343. PubMed PMID: 33990272
  • Tzou W, Sauer W. Letter from the Program Directors. J Innov Card Rhythm Manag. 2021 Apr;12(4):4457-4458. PubMed PMID: 33936860
  • Sandhu A, Tzou WS. A Disruptive Technology: Determining Need for Permanent Pacing After TAVR. Curr Cardiol Rep. 2021 Apr 16;23(5):53. PubMed PMID: 33871728
  • Sanchez JM, Tzou WS. Amiodarone during ventricular tachycardia ablation: A total eclipse of the heart?. Heart Rhythm. 2021 Jun;18(6):894-895. PubMed PMID: 33753276
  • Darden D, Hsu JC, Tzou WS, von Alvensleben JC, Brooks M, Hoffmayer KS, Brambatti M, Sauer WH, Feld GK, Adler E. Fasciculoventricular and atrioventricular accessory pathways in patients with Danon disease and preexcitation: A multicenter experience. Heart Rhythm. 2021 Jul;18(7):1194-1202. PubMed PMID: 33737230
  • Tschabrunn CM, Tzou WS. The Evolution of Ventricular Scar Substrate Assessment by Using High-Resolution Mapping Platforms: Ongoing Quest for "Ground Truth". JACC Clin Electrophysiol. 2021 Feb;7(2):206-209. PubMed PMID: 33602401
  • Cerbin L, Tzou WS. Open-irrigation for radiofrequency ablation for atrial fibrillation: Worth its salt?. J Cardiovasc Electrophysiol. 2021 Apr;32(4):982-983. PubMed PMID: 33556989
  • Aguilar M, Tedrow UB, Tzou WS, Tung R, Frankel DS, Santangeli P, Vaseghi M, Bunch TJ, Di Biase L, Tholakanahalli VN, Lakkireddy D, Dickfeld T, Weiss JP, Mathuria N, Vergara P, Nakahara S, Bradfield JS, Burkhardt JD, Stevenson WG, Callans DJ, Della Bella P, Natale A, Shivkumar K, Marchlinski FE, Sauer WH. Catheter ablation of ventricular tachycardia in patients with prior cardiac surgery: An analysis from the International VT Ablation Center Collaborative Group. J Cardiovasc Electrophysiol. 2021 Feb;32(2):409-416. PubMed PMID: 33355965
  • Sandhu A, Tzou WS, Borne RT, Zipse MM, Nguyen DT, Sauer WH. Uncovering a unique path: Antidromic AVRT utilizing a left anteroseptal Mahaim-like accessory pathway. Pacing Clin Electrophysiol. 2021 Jan;44(1):185-188. PubMed PMID: 32794265
  • Sandhu A, Tzou W, Ream K, Valle J, Tompkins C, Nguyen DT, Sauer WH, Carroll JD, Messenger J, Aleong RG. Heart Block After Discharge in Patients Undergoing TAVR With Latest-Generation Valves. J Am Coll Cardiol. 2018 Feb 6;71(5):577-578. PubMed PMID: 29406864
  • Vergara P, Tung R, Vaseghi M, Brombin C, Frankel D, Di Biase L, Nagashima K, Tedrow U, Tzou WS, Sauer WH, Mathuria N, Nakahara S, Vakil K, Tholakanahalli V, Bunch TJ, Weiss JP, Dickfeld T, Vunnam R, Lakireddy D, Burkhardt JD, Correra A, Santangeli P, Callans D, Natale A, Marchlinski F, Stevenson WG, Shivkumar K, Della Bella P. Successful ventricular tachycardia ablation in patients with electrical storm reduces recurrences and improves survival. Heart Rhythm. 2018 Jan;15(1):48-55. PubMed PMID: 28843418
  • Tzou WS, Tung R, Frankel DS, Vaseghi M, Bunch TJ, Di Biase L, Tholakanahalli VN, Lakkireddy D, Dickfeld T, Saliaris A, Weiss JP, Mathuria N, Tedrow U, Afzal MR, Vergara P, Nagashima K, Patel M, Nakahara S, Vakil K, Burkhardt JD, Tseng CH, Natale A, Shivkumar K, Callans DJ, Stevenson WG, Della Bella P, Marchlinski FE, Sauer WH. Ventricular Tachycardia Ablation in Severe Heart Failure: An International Ventricular Tachycardia Ablation Center Collaboration Analysis. Circ Arrhythm Electrophysiol. 2017 Jan;10(1). PubMed PMID: 28082527
  • Vakil K, Garcia S, Tung R, Vaseghi M, Tedrow U, Della Bella P, Frankel DS, Vergara P, Di Biase L, Nagashima K, Nakahara S, Tzou WS, Burkhardt JD, Dickfeld T, Weiss JP, Bunch J, Callans D, Lakkireddy D, Natale A, Sauer WH, Stevenson WG, Marchlinski F, Shivkumar K, Tholakanahalli VN. Ventricular Tachycardia Ablation in the Elderly: An International Ventricular Tachycardia Center Collaborative Group Analysis. Circ Arrhythm Electrophysiol. 2017 Dec;10(12). PubMed PMID: 29254946
  • Doherty JU, Kort S, Mehran R, Schoenhagen P, Soman P, Dehmer GJ, Doherty JU, Schoenhagen P, Amin Z, Bashore TM, Boyle A, Calnon DA, Carabello B, Cerqueira MD, Conte J, Desai M, Edmundowicz D, Ferrari VA, Ghoshhajra B, Mehrotra P, Nazarian S, Reece TB, Tamarappoo B, Tzou WS, Wong JB, Doherty JU, Dehmer GJ, Bailey SR, Bhave NM, Brown AS, Daugherty SL, Dean LS, Desai MY, Duvernoy CS, Gillam LD, Hendel RC, Kramer CM, Lindsay BD, Manning WJ, Mehrotra P, Patel MR, Sachdeva R, Wann LS, Winchester DE, Wolk MJ, Allen JM. ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2017 Appropriate Use Criteria for Multimodality Imaging in Valvular Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons. J Am Soc Echocardiogr. 2017 Oct 20. [Epub ahead of print] PubMed PMID: 29066081
  • Lip GYH, Coca A, Kahan T, Boriani G, Manolis AS, Olsen MH, Oto A, Potpara TS, Steffel J, Marín F, de Oliveira Figueiredo MJ, de Simone G, Tzou WS, Chiang CE, Williams B, Dan GA, Gorenek B, Fauchier L, Savelieva I, Hatala R, van Gelder I, Brguljan-Hitij J, Erdine S, Lovic D, Kim YH, Salinas-Arce J, Field M. Hypertension and cardiac arrhythmias: a consensus document from the European Heart Rhythm Association (EHRA) and ESC Council on Hypertension, endorsed by the Heart Rhythm Society (HRS), Asia-Pacific Heart Rhythm Society (APHRS) and Sociedad Latinoamericana de Estimulación Cardíaca y Electrofisiología (SOLEACE). Europace. 2017 Jun 1;19(6):891-911. PubMed PMID: 28881872
  • Zipse MM, Tzou WS. Sudden cardiac death in nonischemic cardiomyopathy: Refining risk assessment. J Cardiovasc Electrophysiol. 2017 Nov;28(11):1361-1366. PubMed PMID: 28670752
  • Lip GYH, Coca A, Kahan T, Boriani G, Manolis AS, Olsen MH, Oto A, Potpara TS, Steffel J, Marín F, de Oliveira Figueiredo MJ, de Simone G, Tzou WS, En Chiang C, Williams B. Hypertension and cardiac arrhythmias: executive summary of a consensus document from the European Heart Rhythm Association (EHRA) and ESC Council on Hypertension, endorsed by the Heart Rhythm Society (HRS), Asia-Pacific Heart Rhythm Society (APHRS), and Sociedad Latinoamericana de Estimulación Cardíaca y Electrofisiología (SOLEACE). Eur Heart J Cardiovasc Pharmacother. 2017 Oct 1;3(4):235-250. PubMed PMID: 28541499
  • Tzou WS, Tung R, Frankel DS, Di Biase L, Santangeli P, Vaseghi M, Bunch TJ, Weiss JP, Tholakanahalli VN, Lakkireddy D, Vunnam R, Dickfeld T, Mathuria N, Tedrow U, Vergara P, Vakil K, Nakahara S, Burkhardt JD, Stevenson WG, Callans DJ, Della Bella P, Natale A, Shivkumar K, Marchlinski FE, Sauer WH. Outcomes after repeat ablation of ventricular tachycardia in structural heart disease: An analysis from the International VT Ablation Center Collaborative Group. Heart Rhythm. 2017 Jul;14(7):991-997. PubMed PMID: 28506710
  • Santangeli P, Frankel DS, Tung R, Vaseghi M, Sauer WH, Tzou WS, Mathuria N, Nakahara S, Dickfeldt TM, Lakkireddy D, Bunch TJ, Di Biase L, Natale A, Tholakanahalli V, Tedrow UB, Kumar S, Stevenson WG, Della Bella P, Shivkumar K, Marchlinski FE, Callans DJ. Early Mortality After Catheter Ablation of Ventricular Tachycardia in Patients With Structural Heart Disease. J Am Coll Cardiol. 2017 May 2;69(17):2105-2115. PubMed PMID: 28449770
  • Tzou WS, Tung R, Frankel DS, Vaseghi M, Bunch TJ, Di Biase L, Tholakanahalli VN, Lakkireddy D, Dickfeld T, Saliaris A, Weiss JP, Mathuria N, Tedrow U, Afzal MR, Vergara P, Nagashima K, Patel M, Nakahara S, Vakil K, Burkhardt JD, Tseng CH, Natale A, Shivkumar K, Callans DJ, Stevenson WG, Della Bella P, Marchlinski FE, Sauer WH. Ventricular Tachycardia Ablation in Severe Heart Failure: An International Ventricular Tachycardia Ablation Center Collaboration Analysis. Circ Arrhythm Electrophysiol. 2017 Jan;10(1). PubMed PMID: 28082527
  • Zipse MM, Tzou WS. Resynchronization Therapy in Cardiac Sarcoidosis and Severe Heart Failure: When Good May Not Be Good Enough. J Cardiovasc Electrophysiol. 2017 Feb;28(2):182-184. PubMed PMID: 27925330
  • Zipse MM, Tzou WS. Resynchronization Therapy in Cardiac Sarcoidosis and Severe Heart Failure: When Good May Not Be Good Enough. J Cardiovasc Electrophysiol. 2016 Dec 7. [Epub ahead of print] PubMed PMID: 27925330
  • Nguyen DT, Tzou WS, Brunnquell M, Zipse M, Schuller JL, Zheng L, Aleong RA, Sauer WH. Clinical and biophysical evaluation of variable bipolar configurations during radiofrequency ablation for treatment of ventricular arrhythmias. Heart Rhythm. 2016 Nov;13(11):2161-2171. PubMed PMID: 27424078
  • Frankel DS, Tung R, Santangeli P, Tzou WS, Vaseghi M, Di Biase L, Nagashima K, Tedrow U, Bunch TJ, Tholakanahalli VN, Dendi R, Reddy M, Lakkireddy D, Dickfeld T, Weiss JP, Mathuria N, Vergara P, Patel M, Nakahara S, Vakil K, Sauer WH, Callans DJ, Natale A, Stevenson WG, Della Bella P, Shivkumar K, Marchlinski FE. Sex and Catheter Ablation for Ventricular Tachycardia: An International Ventricular Tachycardia Ablation Center Collaborative Group Study. JAMA Cardiol. 2016 Nov 1;1(8):938-944. PubMed PMID: 27556589
  • Flint K, Tzou WS. Pacing-Induced Cardiomyopathy: "It's Tough to Make Predictions, Especially About the Future"*. J Cardiovasc Electrophysiol. 2016 Oct;27(10):1180-1182. PubMed PMID: 27502329
  • Nguyen DT, Tzou WS, Zheng L, Barham W, Schuller JL, Shillinglaw B, Quaife RA, Sauer WH. Enhanced Radiofrequency Ablation With Magnetically Directed Metallic Nanoparticles. Circ Arrhythm Electrophysiol. 2016 May;9(5). PubMed PMID: 27162034
  • Gonzalez JE, Tzou W, Sauer WH, Nguyen DT. Ventricular Tachycardia in a Patient with Biventricular Noncompaction. Card Electrophysiol Clin. 2016 Mar;8(1):139-44. PubMed PMID: 26920182
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Professional Memberships

  • Heart Rhythm Society (HRS), Fellow
  • American College of Cardiology, Fellow
  • American Heart Association (AHA), Member

Practice Locations

UCHealth University of Colorado Hospital (UCH)
12605 E. 16th Ave
Aurora, CO 80045
720-848-0000

Cardiac Electrophysiology - Anschutz
12505 E. 16th Ave
3rd Floor
Aurora, CO 80045
720-848-6510

Denver Veterans Affairs Medical Center
1055 Clermont St
Denver, CO 80220
1-888-336-8262

Denver Health
777 Bannock St
Denver, CO 80204
303-436-6000

CU Medicine Cardiology - Cherry Creek Medical Center
100 Cook Street
Suite 412
Denver, CO 80206
720-516-9403

Hospital Affiliation
  • University of Colorado Hospital
  • Veterans Affairs Medical Center
  • Denver Health Medical Center

Specialty Information

Specialties
  • Clinical Cardiac Electrophysiology, Board Certification
  • Cardiovascular Disease, Board Certification
  • Fellow of the American College of Cardiology, Certificate (0001)
  • Fellow of the Heart Rythm Society, Certificate (0001)
Conditions & Treatments
  • Heart and Circulation
  • Heart and Circulation - Arrhythmia
  • Heart and Circulation - Heart Diseases
Public Speaking
Yes
Management of ventricular and atrial arrhythmias and cardiac electrophysiology devices

General Information

Medical Schools:
  • MD, Johns Hopkins University School of Medicine (2001)
Undergraduate Schools:
  • BS, Ohio State University (OH) (1997)
Residency Programs:
  • University of Wisconsin (Madison) Program, Internal Medicine (2004)
Fellowships:
  • Hospital of the University of Pennsylvania, Clinical Cardiac Electrophysiology (2010)
  • Hospital of the University of Pennsylvania, Cardiovascular Disease (2008)
  • University of Wisconsin (Madison) Program, Cardiovascular Disease (2005)
  • University of Pennsylvania Health System Program, Cardiovascular Disease (2006)
Languages: English
Department: Medicine-Cardiology
Contact Us
CU Anschutz
Fitzsimons Building

13001 East 17th Place
Campus Box C290
Aurora, CO 80045

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