Rafael J. Ramirez
Rafael J. Ramirez
Johns Hopkins University, Department of Surgery
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Cited by
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Ionic mechanisms underlying human atrial action potential properties: insights from a mathematical model
M Courtemanche, RJ Ramirez, S Nattel
American Journal of Physiology-Heart and Circulatory Physiology 275 (1 …, 1998
Ionic targets for drug therapy and atrial fibrillation-induced electrical remodeling: insights from a mathematical model
M Courtemanche, RJ Ramirez, S Nattel
Cardiovascular research 42 (2), 477-489, 1999
Regulation of cardiac excitation–contraction coupling by action potential repolarization: role of the transient outward potassium current (Ito)
R Sah, RJ Ramirez, GY Oudit, D Gidrewicz, MG Trivieri, C Zobel, ...
The Journal of physiology 546 (1), 5-18, 2003
The molecular physiology of the cardiac transient outward potassium current (Ito) in normal and diseased myocardium
GY Oudit, Z Kassiri, R Sah, RJ Ramirez, C Zobel, PH Backx
Journal of molecular and cellular cardiology 33 (5), 851-872, 2001
Characterization of the arrhythmogenic substrate in ischemic and nonischemic cardiomyopathy: implications for catheter ablation of hemodynamically unstable ventricular tachycardia
S Nakahara, R Tung, RJ Ramirez, Y Michowitz, M Vaseghi, E Buch, ...
Journal of the American College of Cardiology 55 (21), 2355-2365, 2010
Mathematical analysis of canine atrial action potentials: rate, regional factors, and electrical remodeling
RJ Ramirez, S Nattel, M Courtemanche
American Journal of Physiology-Heart and Circulatory Physiology 279 (4 …, 2000
Modulation of Ca2+ Release in Cardiac Myocytes by Changes in Repolarization Rate: Role of Phase-1 Action Potential Repolarization in Excitation-Contraction …
R Sah, RJ Ramirez, PH Backx
Circulation research 90 (2), 165-173, 2002
Dominant frequency increase rate predicts transition from paroxysmal to long-term persistent atrial fibrillation
RP Martins, K Kaur, E Hwang, RJ Ramirez, BC Willis, D Filgueiras-Rama, ...
Circulation 129 (14), 1472-1482, 2014
Galectin-3 regulates atrial fibrillation remodeling and predicts catheter ablation outcomes
Y Takemoto, RJ Ramirez, M Yokokawa, K Kaur, D Ponce-Balbuena, ...
JACC: Basic to Translational Science 1 (3), 143-154, 2016
Alterations in action potential profile enhance excitation‐contraction coupling in rat cardiac myocytes
R Sah, RJ Ramirez, R Kaprielian, PH Backx
The Journal of physiology 533 (1), 201-214, 2001
Myosin light chain 2-based selection of human iPSC-derived early ventricular cardiac myocytes
A Bizy, G Guerrero-Serna, B Hu, D Ponce-Balbuena, BC Willis, M Zarzoso, ...
Stem cell research 11 (3), 1335-1347, 2013
Distribution of late potentials within infarct scars assessed by ultra high-density mapping
S Nakahara, R Tung, RJ Ramirez, J Gima, I Wiener, A Mahajan, NG Boyle, ...
Heart Rhythm 7 (12), 1817-1824, 2010
Time-dependent transients in an ionically based mathematical model of the canine atrial action potential
J Kneller, RJ Ramirez, D Chartier, M Courtemanche, S Nattel
American Journal of Physiology-Heart and Circulatory Physiology 282 (4 …, 2002
Cardiac Kir2.1 and NaV1.5 Channels Traffic Together to the Sarcolemma to Control Excitability
D Ponce-Balbuena, G Guerrero-Serna, CR Valdivia, R Caballero, ...
Circulation research 122 (11), 1501-1516, 2018
Distinguishing epicardial fat from scar: analysis of electrograms using high-density electroanatomic mapping in a novel porcine infarct model
R Tung, S Nakahara, R Ramirez, C Lai, MC Fishbein, K Shivkumar
Heart Rhythm 7 (3), 389-395, 2010
Eplerenone reduces atrial fibrillation burden without preventing atrial electrical remodeling
Y Takemoto, RJ Ramirez, K Kaur, O Salvador-Montañés, ...
Journal of the American College of Cardiology 70 (23), 2893-2905, 2017
NOX4-dependent hydrogen peroxide overproduction in human atrial fibrillation and HL-1 atrial cells: relationship to hypertension
J Zhang, JY Youn, A Kim, R Ramirez, L Gao, D Ngo, J Scovotti, ...
Frontiers in physiology 3, 140, 2012
The phosphoinositide 3-kinase inhibitor LY294002 enhances cardiac myocyte contractility via a direct inhibition of Ik,slow currents
H Sun, GY Oudit, RJ Ramirez, D Costantini, PH Backx
Cardiovascular research 62 (3), 509-520, 2004
Intrapericardial balloon placement for prevention of collateral injury during catheter ablation of the left atrium in a porcine model
S Nakahara, RJ Ramirez, E Buch, Y Michowitz, M Vaseghi, C De Diego, ...
Heart Rhythm 7 (1), 81-87, 2010
Characterization of myocardial scars: electrophysiological imaging correlates in a porcine infarct model
S Nakahara, M Vaseghi, RJ Ramirez, CG Fonseca, CK Lai, JP Finn, ...
Heart rhythm 8 (7), 1060-1067, 2011
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