David Krummen

TitleClinical Professor
InstitutionUniversity of California San Diego
Address9500 Gilman Drive #9111
La Jolla CA 92093
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    1. Cranford JP, O'Hara TJ, Villongco CT, Hafez OM, Blake RC, Loscalzo J, Fattebert JL, Richards DF, Zhang X, Glosli JN, McCulloch AD, Krummen D, Lightstone FC, Wong SE. Efficient Computational Modeling of Human Ventricular Activation and Its Electrocardiographic Representation: A Sensitivity Study. Cardiovasc Eng Technol. 2018 Mar 16. PMID: 29549620.
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    2. Zaman JAB, Sauer WH, Alhusseini MI, Baykaner T, Borne RT, Kowalewski CAB, Busch S, Zei PC, Park S, Viswanathan MN, Wang PJ, Brachmann J, Krummen D, Miller JM, Rappel WJ, Narayan SM, Peters NS. Identification and Characterization of Sites Where Persistent Atrial Fibrillation Is Terminated by Localized Ablation. Circ Arrhythm Electrophysiol. 2018 Jan; 11(1):e005258. PMID: 29330332.
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    3. Zaman JAB, Swarup V, Daubert JP, Day JD, Hummel J, Schricker AA, Krummen D, Viswanathan MN, Park S, Narayan SM, Miller JM. Reply: Are Rotors Markers of Substrate or a Mechanism of Perpetuation of Atrial Fibrillation? Increasing Data for Rotational Drivers of Human AF. JACC Clin Electrophysiol. 2017 Nov; 3(11):1340-1341. PMID: 29759637.
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    4. Nishimura M, Sab S, Birgersdotter-Green U, Krummen D, Schricker A, Raissi F, Hoffmayer KS, Feld GK, Hsu JC. Reasons for and predictors of acute hospitalization versus elective outpatient implantable cardioverter-defibrillator implantation and subsequent differential clinical outcomes. J Interv Card Electrophysiol. 2017 Oct; 50(1):85-93. PMID: 28844089.
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    5. Ho G, Villongco CT, Yousefian O, Bradshaw A, Nguyen A, Faiwiszewski Y, Hayase J, Rappel WJ, McCulloch AD, Krummen D. Rotors exhibit greater surface ECG variation during ventricular fibrillation than focal sources due to wavebreak, secondary rotors, and meander. J Cardiovasc Electrophysiol. 2017 Oct; 28(10):1158-1166. PMID: 28670858.
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    6. Krummen D, Ho G. Left Atrial Venous Anatomy: A Map for Future AF Therapies. JACC Clin Electrophysiol. 2017 Sep; 3(9):1033-1036. PMID: 29759707.
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    7. Vidmar D, Krummen D, Hayase J, Narayan SM, Ho G, Rappel WJ. Spatiotemporal Progression of Early Human Ventricular Fibrillation. JACC Clin Electrophysiol. 2017 Dec 11; 3(12):1437-1446. PMID: 29238755.
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    8. Baykaner T, Zaman JAB, Rogers AJ, Navara R, AlHusseini M, Borne RT, Park S, Wang PJ, Krummen D, Sauer WH, Narayan SM. Spatial relationship of sites for atrial fibrillation drivers and atrial tachycardia in patients with both arrhythmias. Int J Cardiol. 2017 Dec 01; 248:188-195. PMID: 28733070.
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    9. Krummen D, Baykaner T, Schricker AA, Kowalewski CAB, Swarup V, Miller JM, Tomassoni GF, Park S, Viswanathan MN, Wang PJ, Narayan SM. Multicentre safety of adding Focal Impulse and Rotor Modulation (FIRM) to conventional ablation for atrial fibrillation. Europace. 2017 May 01; 19(5):769-774. PMID: 28339546.
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    10. Baykaner T, Zografos TA, Zaman JAB, Pantos I, Alhusseini M, Navara R, Krummen D, Narayan SM, Katritsis DG. Spatial relationship of organized rotational and focal sources in human atrial fibrillation to autonomic ganglionated plexi. Int J Cardiol. 2017 Aug 01; 240:234-239. PMID: 28433558.
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    11. Zaman JAB, Baykaner T, Clopton P, Swarup V, Kowal RC, Daubert JP, Day JD, Hummel J, Schricker AA, Krummen D, Mansour M, Tomassoni GF, Wheelan KR, Vishwanathan M, Park S, Wang PJ, Narayan SM, Miller JM. Recurrent Post-Ablation Paroxysmal Atrial Fibrillation Shares Substrates With Persistent Atrial Fibrillation : An 11-Center Study. JACC Clin Electrophysiol. 2017 Apr; 3(4):393-402. PMID: 28596994.
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    12. Zaman JAB, Baykaner T, Schricker AA, Krummen D, Narayan SM. Mechanistic targets for the ablation of atrial fibrillation. Glob Cardiol Sci Pract. 2017 Mar 31; 2017(1):e201707. PMID: 28971106.
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    13. Baykaner T, Trikha R, Zaman JAB, Krummen D, Wang PJ, Narayan SM. Electrocardiographic spatial loops indicate organization of atrial fibrillation minutes before ablation-related transitions to atrial tachycardia. J Electrocardiol. 2017 May - Jun; 50(3):307-315. PMID: 28108014.
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    14. Villongco CT, Krummen D, Omens JH, McCulloch AD. Non-invasive, model-based measures of ventricular electrical dyssynchrony for predicting CRT outcomes. Europace. 2016 Dec; 18(suppl 4):iv104-iv112. PMID: 28011837.
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    15. Vidmar D, Narayan SM, Krummen D, Rappel WJ. Determining conduction patterns on a sparse electrode grid: Implications for the analysis of clinical arrhythmias. Phys Rev E. 2016 Nov; 94(5-1):050401. PMID: 27967050.
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    16. Salcedo JD, Pretorius VG, Hsu JC, Lalani GG, Schricker AA, Hebsur SM, McGARRY TJ, Hunter JA, Lewis KE, Krummen D, Feld GK, Birgersdotter-Green U. Compatibility of Radiofrequency Surgical Sponge Detection Technology with Cardiac Implantable Electronic Devices and Temporary Pacemakers. Pacing Clin Electrophysiol. 2016 Nov; 39(11):1254-1260. PMID: 27550834.
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    17. Schricker AA, Krummen D, Hsu JC. Atrial Fibrillation: Beyond the Pulmonary Veins. J Am Coll Cardiol. 2016 Jun 07; 67(22):2700-1. PMID: 27256840.
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    18. Krummen D, Ho G, Villongco CT, Hayase J, Schricker AA. Ventricular fibrillation: triggers, mechanisms and therapies. Future Cardiol. 2016 05; 12(3):373-90. PMID: 27120223.
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    19. Kawata H, Hirai T, Doukas D, Hirai R, Steinbrunner J, Wilson J, Noda T, Hsu J, Krummen D, Feld G, Wilber D, Santucci P, Birgersdotter-Green U. The Occurrence of Implantable Cardioverter Defibrillator Therapies After Generator Replacement in Patients Who No Longer Meet Primary Prevention Indications. J Cardiovasc Electrophysiol. 2016 06; 27(6):724-9. PMID: 26915696.
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    20. Hayase J, Vampola S, Ahadian F, Narayan SM, Krummen D. Comparative efficacy of stellate ganglion block with bupivacaine vs pulsed radiofrequency in a patient with refractory ventricular arrhythmias. J Clin Anesth. 2016 Jun; 31:162-5. PMID: 27185701.
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    21. Lalani GG, Coysh T, Baykaner T, Zaman J, Hopper K, Schricker AA, Trikha R, Clopton P, Krummen D, Narayan SM. Organized Sources Are Spatially Conserved in Recurrent Compared to Pre-Ablation Atrial Fibrillation: Further Evidence for Non-Random Electrical Substrates. J Cardiovasc Electrophysiol. 2016 06; 27(6):661-9. PMID: 26918971.
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    22. Krummen D. Atrial Fibrillation and Heart Failure-- Identification of Patients at Risk. Circ J. 2016; 80(3):587-9. PMID: 26853556.
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    23. Krummen D, Hayase J, Vampola SP, Ho G, Schricker AA, Lalani GG, Baykaner T, Coe TM, Clopton P, Rappel WJ, Omens JH, Narayan SM. Modifying Ventricular Fibrillation by Targeted Rotor Substrate Ablation: Proof-of-Concept from Experimental Studies to Clinical VF. J Cardiovasc Electrophysiol. 2015 Oct; 26(10):1117-26. PMID: 26179310; PMCID: PMC4826737.
    24. Krummen D, Hebsur S, Salcedo J, Narayan SM, Lalani GG, Schricker AA. Mechanisms Underlying AF: Triggers, Rotors, Other? Curr Treat Options Cardiovasc Med. 2015 Apr; 17(4):371. PMID: 25778423; PMCID: PMC4800994.
    25. Krummen D, Swarup V, Narayan SM. The role of rotors in atrial fibrillation. J Thorac Dis. 2015 Feb; 7(2):142-51. PMID: 25713729; PMCID: PMC4321066.
    26. Swarup V, Baykaner T, Rostamian A, Daubert JP, Hummel J, Krummen D, Trikha R, Miller JM, Tomassoni GF, Narayan SM. Stability of rotors and focal sources for human atrial fibrillation: focal impulse and rotor mapping (FIRM) of AF sources and fibrillatory conduction. J Cardiovasc Electrophysiol. 2014 Dec; 25(12):1284-92. PMID: 25263408.
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    27. Schricker AA, Lalani GG, Krummen D, Rappel WJ, Narayan SM. Human atrial fibrillation initiates via organized rather than disorganized mechanisms. Circ Arrhythm Electrophysiol. 2014 Oct; 7(5):816-24. PMID: 25217042; PMCID: PMC4206587.
    28. Lalani GG, Trikha R, Krummen D, Narayan SM. Rotors and focal sources for human atrial fibrillation: mechanistic paradigm with direct clinical relevance. Circ J. 2014; 78(10):2357-66. PMID: 25213002.
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    29. Villongco CT, Krummen D, Stark P, Omens JH, McCulloch AD. Patient-specific modeling of ventricular activation pattern using surface ECG-derived vectorcardiogram in bundle branch block. Prog Biophys Mol Biol. 2014 Aug; 115(2-3):305-13. PMID: 25110279; PMCID: PMC4254140.
    30. Schricker AA, Lalani GG, Krummen D, Narayan SM. Rotors as drivers of atrial fibrillation and targets for ablation. Curr Cardiol Rep. 2014 Aug; 16(8):509. PMID: 24950671; PMCID: PMC4121057.
    31. Miller JM, Kowal RC, Swarup V, Daubert JP, Daoud EG, Day JD, Ellenbogen KA, Hummel JD, Baykaner T, Krummen D, Narayan SM, Reddy VY, Shivkumar K, Steinberg JS, Wheelan KR. Initial independent outcomes from focal impulse and rotor modulation ablation for atrial fibrillation: multicenter FIRM registry. J Cardiovasc Electrophysiol. 2014 Sep; 25(9):921-929. PMID: 24948520; PMCID: PMC4282180.
    32. Krummen D, Hayase J, Morris DJ, Ho J, Smetak MR, Clopton P, Rappel WJ, Narayan SM. Rotor stability separates sustained ventricular fibrillation from self-terminating episodes in humans. J Am Coll Cardiol. 2014 Jun 24; 63(24):2712-21. PMID: 24794115; PMCID: PMC4396824.
    33. Baykaner T, Lalani GG, Schricker A, Krummen D, Narayan SM. Mapping and ablating stable sources for atrial fibrillation: summary of the literature on Focal Impulse and Rotor Modulation (FIRM). J Interv Card Electrophysiol. 2014 Sep; 40(3):237-44. PMID: 24647673.
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    34. Narayan SM, Baykaner T, Clopton P, Schricker A, Lalani GG, Krummen D, Shivkumar K, Miller JM. Ablation of rotor and focal sources reduces late recurrence of atrial fibrillation compared with trigger ablation alone: extended follow-up of the CONFIRM trial (Conventional Ablation for Atrial Fibrillation With or Without Focal Impulse and Rotor Modulation). J Am Coll Cardiol. 2014 May 06; 63(17):1761-8. PMID: 24632280; PMCID: PMC4008643.
    35. Kawata H, Patel J, McGarry T, Joshi R, Krummen D, Feld G, Birgersdotter-Green U. Obese female patients have higher rates of lead dislodgement after ICD or CRT-D implantation. Int J Cardiol. 2014 Apr 01; 172(3):e522-4. PMID: 24502881.
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    36. Lalani GG, Schricker AA, Clopton P, Krummen D, Narayan SM. Frequency analysis of atrial action potential alternans: a sensitive clinical index of individual propensity to atrial fibrillation. Circ Arrhythm Electrophysiol. 2013 Oct; 6(5):859-67. PMID: 23995250; PMCID: PMC3897260.
    37. Baykaner T, Clopton P, Lalani GG, Schricker AA, Krummen D, Narayan SM. Targeted ablation at stable atrial fibrillation sources improves success over conventional ablation in high-risk patients: a substudy of the CONFIRM Trial. Can J Cardiol. 2013 Oct; 29(10):1218-26. PMID: 23993247; PMCID: PMC3787988.
    38. Hayase J, Tung R, Narayan SM, Krummen D. A case of a human ventricular fibrillation rotor localized to ablation sites for scar-mediated monomorphic ventricular tachycardia. Heart Rhythm. 2013 Dec; 10(12):1913-6. PMID: 23911894; PMCID: PMC4764077.
    39. Krishnamurthy A, Villongco CT, Chuang J, Frank LR, Nigam V, Belezzuoli E, Stark P, Krummen D, Narayan S, Omens JH, McCulloch AD, Kerckhoffs RC. Patient-Specific Models of Cardiac Biomechanics. J Comput Phys. 2013 Jul 01; 244:4-21. PMID: 23729839.
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    40. Hayase J, Patel J, Narayan SM, Krummen D. Percutaneous stellate ganglion block suppressing VT and VF in a patient refractory to VT ablation. J Cardiovasc Electrophysiol. 2013 Aug; 24(8):926-8. PMID: 23574305; PMCID: PMC3733785.
    41. Narayan SM, Krummen D, Clopton P, Shivkumar K, Miller JM. Direct or coincidental elimination of stable rotors or focal sources may explain successful atrial fibrillation ablation: on-treatment analysis of the CONFIRM trial (Conventional ablation for AF with or without focal impulse and rotor modulation). J Am Coll Cardiol. 2013 Jul 09; 62(2):138-147. PMID: 23563126; PMCID: PMC3703494.
    42. Kawata H, Pretorius V, Phan H, Mulpuru S, Gadiyaram V, Patel J, Steltzner D, Krummen D, Feld G, Birgersdotter-Green U. Utility and safety of temporary pacing using active fixation leads and externalized re-usable permanent pacemakers after lead extraction. Europace. 2013 Sep; 15(9):1287-91. PMID: 23482613.
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    43. Jones AR, Krummen D, Narayan SM. Non-invasive identification of stable rotors and focal sources for human atrial fibrillation: mechanistic classification of atrial fibrillation from the electrocardiogram. Europace. 2013 Sep; 15(9):1249-58. PMID: 23449925; PMCID: PMC3753059.
    44. Narayan SM, Shivkumar K, Krummen D, Miller JM, Rappel WJ. Panoramic electrophysiological mapping but not electrogram morphology identifies stable sources for human atrial fibrillation: stable atrial fibrillation rotors and focal sources relate poorly to fractionated electrograms. Circ Arrhythm Electrophysiol. 2013 Feb; 6(1):58-67. PMID: 23392583; PMCID: PMC3746540.
    45. Joshi R, Schricker AA, Krummen D, Narayan SM. Getting to the core of AF irregularity: are we there yet? J Cardiovasc Electrophysiol. 2013 Feb; 24(2):207-9. PMID: 23252599; PMCID: PMC3746515.
    46. Mulpuru SK, Krummen D, Narayan SM. Unusual source of thromboembolism in a patient with atrial fibrillation: pulmonary vein thrombus due to compressive para-esophageal hernia. J Cardiovasc Electrophysiol. 2013 May; 24(5):591-2. PMID: 23210526; PMCID: PMC4018751.
    47. Krummen D, Narayan SM. Ablating persistent atrial fibrillation successfully. Curr Cardiol Rep. 2012 Oct; 14(5):563-70. PMID: 22828755; PMCID: PMC3459351.
    48. Krummen D, Bayer JD, Ho J, Ho G, Smetak MR, Clopton P, Trayanova NA, Narayan SM. Mechanisms of human atrial fibrillation initiation: clinical and computational studies of repolarization restitution and activation latency. Circ Arrhythm Electrophysiol. 2012 Dec; 5(6):1149-59. PMID: 23027797; PMCID: PMC3833353.
    49. Narayan SM, Krummen D, Enyeart MW, Rappel WJ. Computational mapping identifies localized mechanisms for ablation of atrial fibrillation. PLoS One. 2012; 7(9):e46034. PMID: 23049929; PMCID: PMC3458823.
    50. Narayan SM, Krummen D. Targeting Stable Rotors to Treat Atrial Fibrillation. Arrhythm Electrophysiol Rev. 2012 Sep; 1(1):34-8. PMID: 26835027; PMCID: PMC4711508.
    51. Narayan SM, Krummen D, Shivkumar K, Clopton P, Rappel WJ, Miller JM. Treatment of atrial fibrillation by the ablation of localized sources: CONFIRM (Conventional Ablation for Atrial Fibrillation With or Without Focal Impulse and Rotor Modulation) trial. J Am Coll Cardiol. 2012 Aug 14; 60(7):628-36. PMID: 22818076; PMCID: PMC3416917.
    52. Narayan SM, Krummen D, Rappel WJ. Clinical mapping approach to diagnose electrical rotors and focal impulse sources for human atrial fibrillation. J Cardiovasc Electrophysiol. 2012 May; 23(5):447-54. PMID: 22537106; PMCID: PMC3418865.
    53. Baykaner T, Krummen D, Narayan SM. Temporal and Spatial Indices of AF Regularization Predict Intraprocedural AF Termination and Outcome. J Atr Fibrillation. 2012 Apr; 46(10):30-36. PMID: 25243050.
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    54. Narayan SM, Patel J, Mulpuru S, Krummen D. Focal impulse and rotor modulation ablation of sustaining rotors abruptly terminates persistent atrial fibrillation to sinus rhythm with elimination on follow-up: a video case study. Heart Rhythm. 2012 Sep; 9(9):1436-9. PMID: 22465458; PMCID: PMC3432749.
    55. Lalani GG, Schricker A, Gibson M, Rostamian A, Krummen D, Narayan SM. Atrial conduction slows immediately before the onset of human atrial fibrillation: a bi-atrial contact mapping study of transitions to atrial fibrillation. J Am Coll Cardiol. 2012 Feb 07; 59(6):595-606. PMID: 22300695; PMCID: PMC3390156.
    56. Aguado-Sierra J, Krishnamurthy A, Villongco C, Chuang J, Howard E, Gonzales MJ, Omens J, Krummen D, Narayan S, Kerckhoffs RC, McCulloch AD. Patient-specific modeling of dyssynchronous heart failure: a case study. Prog Biophys Mol Biol. 2011 Oct; 107(1):147-55. PMID: 21763714; PMCID: PMC3190065.
    57. Narayan SM, Franz MR, Clopton P, Pruvot EJ, Krummen D. Repolarization alternans reveals vulnerability to human atrial fibrillation. Circulation. 2011 Jun 28; 123(25):2922-30. PMID: 21646498; PMCID: PMC3135656.
    58. Krummen D, Patel M, Nguyen H, Ho G, Kazi DS, Clopton P, Holland MC, Greenberg SL, Feld GK, Faddis MN, Narayan SM. Accurate ECG diagnosis of atrial tachyarrhythmias using quantitative analysis: a prospective diagnostic and cost-effectiveness study. J Cardiovasc Electrophysiol. 2010 Nov; 21(11):1251-9. PMID: 20522152; PMCID: PMC2970682.
    59. Mulpuru SK, Krummen D, Narayan SM. Sudden death risk in type 2 diabetic patients post-myocardial infarction: a "sweet" opportunity? Heart Rhythm. 2010 Oct; 7(10):1404-5. PMID: 20797459; PMCID: PMC2963186.
    60. Krummen D, Peng KA, Bullinga JR, Narayan SM. Centrifugal gradients of rate and organization in human atrial fibrillation. Pacing Clin Electrophysiol. 2009 Nov; 32(11):1366-78. PMID: 19744279; PMCID: PMC2898506.
    61. Krummen D, Narayan SM. Mechanisms for the initiation of human atrial fibrillation. Heart Rhythm. 2009 Aug; 6(8 Suppl):S12-6. PMID: 19411190.
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    62. Ravi KC, Krummen D, Tran AJ, Bullinga JR, Narayan SM. Electrocardiographic measurements of regional atrial fibrillation cycle length. Pacing Clin Electrophysiol. 2009 Mar; 32 Suppl 1:S66-71. PMID: 19250115; PMCID: PMC2853742.
    63. Narayan SM, Kazi D, Krummen D, Rappel WJ. Repolarization and activation restitution near human pulmonary veins and atrial fibrillation initiation: a mechanism for the initiation of atrial fibrillation by premature beats. J Am Coll Cardiol. 2008 Oct 07; 52(15):1222-30. PMID: 18926325; PMCID: PMC2604131.
    64. Narayan SM, Krummen D. Dynamics factors preceding the initiation of atrial fibrillation in humans. Heart Rhythm. 2008 Jun; 5(6 Suppl):S22-5. PMID: 18456196; PMCID: PMC2517141.
    65. Brown JP, Krummen D, Feld GK, Narayan SM. Using electrocardiographic activation time and diastolic intervals to separate focal from macro-re-entrant atrial tachycardias. J Am Coll Cardiol. 2007 May 15; 49(19):1965-73. PMID: 17498582.
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    66. Kahn AM, Krummen D, Feld GK, Narayan SM. Localizing circuits of atrial macroreentry using electrocardiographic planes of coherent atrial activation. Heart Rhythm. 2007 Apr; 4(4):445-51. PMID: 17399632; PMCID: PMC2429988.
    67. Narayan SM, Krummen D, Kahn AM, Karasik PL, Franz MR. Evaluating fluctuations in human atrial fibrillatory cycle length using monophasic action potentials. Pacing Clin Electrophysiol. 2006 Nov; 29(11):1209-18. PMID: 17100673.
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    68. Krummen D, Feld GK, Narayan SM. Diagnostic accuracy of irregularly irregular RR intervals in separating atrial fibrillation from atrial flutter. Am J Cardiol. 2006 Jul 15; 98(2):209-14. PMID: 16828594.
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    69. Krummen D, Narayan SM. What is the best endpoint for ablating atrial flutter? J Interv Card Electrophysiol. 2006 Mar; 15(2):103-5. PMID: 16755338.
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    70. Daniels LB, Krummen D. A sailor's heartbreak. N Engl J Med. 2005 Dec 01; 353(22):2408-9; author reply 2408-9. PMID: 16319394.
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    71. Daniels LB, Krummen D, Blanchard DG. Echocardiography in pulmonary vascular disease. Cardiol Clin. 2004 Aug; 22(3):383-99, vi. PMID: 15302359.
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