R
Ruben Chuquimia
Researcher at University of Illinois at Chicago
Publications - 22
Citations - 1666
Ruben Chuquimia is an academic researcher from University of Illinois at Chicago. The author has contributed to research in topics: Bundle branch block & Myocardial infarction. The author has an hindex of 17, co-authored 22 publications receiving 1645 citations. Previous affiliations of Ruben Chuquimia include United States Department of Veterans Affairs.
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Journal ArticleDOI
Demonstration of Dual A-V Nodal Pathways in Patients with Paroxysmal Supraventricular Tachycardia
TL;DR: These findings provide a basis for reentrance in some patients with reentrant PSVT, as manifest by dual A-V nodal conduction times and refractory periods, and Antegrade failure of the fast pathway with subsequent availability for retrograde conduction could allow A- V nodal reentry.
Journal ArticleDOI
Site of Heart Block in Acute Myocardial Infarction
Kenneth M. Rosen,Henry S. Loeb,Ruben Chuquimia,M. Ziad Sinno,Shahbudin H. Rahimtoola,Rolf M. Gunnar +5 more
TL;DR: Electrophysiologic observations coupled with previous clinical, anatomic, and pathologic findings suggest that the heart block in DMI is usually due to an ischemic lesion of the A-V node, whileheart block in AMI is due to necrosis involving both bundle branches.
Journal ArticleDOI
Syncope in patients with chronic bifascicular block. Significance, causative mechanisms, and clinical implications.
Ramesh C. Dhingra,Pablo Denes,Delon Wu,Ruben Chuquimia,Fernando Amat-Y-Leon,C Wyndham,Kenneth M. Rosen +6 more
TL;DR: Syncope in patients with bifascicular block reflected various cardiac and noncardiac causes and tended not to recur and permanent pacing seemed indicated in only those patients with documented serious bradyarrhythmia.
Journal ArticleDOI
The Significance of Second Degree Atrioventricular Block and Bundle Branch Block Observations Regarding Site and Type of Block
TL;DR: In this article, surface electrocardiographic features were retrospectively examined to determine the value of these recordings in predicting the site of block, and permanent pacing was indicated in three of four patients with BPH, nine of nine patients with BDH, and one of two patients with block at undetermined site.
Journal ArticleDOI
Relationship of Pulmonary Artery to Left Ventricular Diastolic Pressures in Acute Myocardial Infarction
Shahbudin H. Rahimtoola,Henry S. Loeb,Ali Ehsani,M. Ziad Sinno,Ruben Chuquimia,Roshan Lal,Kenneth M. Rosen,Rolf M. Gunnar +7 more
TL;DR: PA pressures only provided reliable information about the level of pulmonary venous pressure, and therefore measurement of LVDP (pre-a and EDP) yielded information not only about pulmonary edema, but also about LV performance.