نتایج جستجو برای: san
تعداد نتایج: 37890 فیلتر نتایج به سال:
BACKGROUND Although sinoatrial node (SAN) dysfunction is a hallmark of human heart failure (HF), the underlying mechanisms remain poorly understood. We aimed to examine the role of adenosine in SAN dysfunction and tachy-brady arrhythmias in chronic HF. METHODS AND RESULTS We applied multiple approaches to characterize SAN structure, SAN function, and adenosine A1 receptor expression in contro...
Mapping ideas from cyberspace to realspace: visualizing the spatial context of keywords from web page search results Ming-Hsiang Tsou a , Ick-Hoi Kim a , Sarah Wandersee a , Daniel Lusher a , Li An a , Brian Spitzberg b , Dipak Gupta c , Jean Mark Gawron d , Jennifer Smith e , Jiue-An Yang a & Su Yeon Han a a Department of Geography, San Diego State University, San Diego, CA, USA b School of Co...
1 Psychology and Ergonomics, Biological Psychology and Neuroergonomics, Berlin Institute of Technology, Berlin, Germany 2 Center for Advanced Neurological Engineering, University of California San Diego, San Diego, CA, USA 3 Institute for Neural Computation, University of California San Diego, San Diego, CA, USA 4 Institute of Engineering in Medicine, University of California San Diego, San Die...
Heart rhythm is initialized and controlled by the Sinoatrial Node (SAN), the primary pacemaker of the heart. The SAN is a heterogeneous multi-compartment structure characterized by clusters of specialized cardiomyocytes enmeshed within strands of connective tissue or fibrosis. Intranodal fibrosis is emerging as an important modulator of structural and functional integrity of the SAN pacemaker c...
*Cancer Control and Population Sciences Program, University of Puerto Rico Comprehensive Cancer Center, San Juan, PR; †Department of Health Services Administration, Graduate School of Public Health, University of Puerto Rico Medical Sciences Campus, San Juan, PR; ‡Department of Biostatistics and Epidemiology, Graduate School of Public Health, University of Puerto Rico Medical Sciences Campus, S...
BACKGROUND Sinoatrial node (SAN) dysfunction is frequently associated with atrial tachyarrhythmias (ATs). Abnormalities in SAN pacemaker function after termination of ATs can cause syncope and require pacemaker implantation, but underlying mechanisms remain poorly understood. This study examined the hypothesis that ATs impair SAN function by altering ion channel expression. METHODS AND RESULT...
Presentation in Patients with Staphylococcus aureus Bacteremia Angelo Clemenzi-Allen, MD; Sanjiv Baxi, MS, MD, MPH; Alice Gahbauer, PharmD; Brandon Imp; Daniel Deck, PharmD; Sarah Doernberg, MD; Henry F. Chambers, MD; Medicine, University of California San Francisco, San Francisco, CA; University of Michigan Health System, Ann Arbor, MI; Pharmacy, University of Pittsburgh, Pittsburgh, PA; Medic...
Screening for Asymptomatic Neisseria gonorrhoeae, Chlamydia trachomatis, and Trichomonas vaginalis Infection using De-identified Urine Samples Received by the Navy Drug Screening Laboratory, San Diego Judith Harbertson, PhD, MPH; Paul Scott, MD, MPH; Paul Graf, PhD; Lisa Kennemur, PhD; Matthew Jamerson, PhD; Brent House, PhD; Melinda Balansay-Ames, BS; Chris A. Myers, PhD; Gary Brice, PhD; Brad...
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