Lab Members

Processing Laboratory Manager Jo A. Ayala

Jo A. Ayala, BS

Processing Laboratory Manager Email: jo.navarro@cshs.org

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Ayala manages the core processing laboratory for the Oregon Sudden Unexpected Death Study in Portland, Oregon. She graduated from the University of Texas at El Paso with a bachelor's degree in microbiology and a minor in chemistry.

Kelvin Chua, MD

Postdoctoral Scientist Email: kelvin.chua@cshs.org

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Kelvin Chua, MD, is a cardiologist from Singapore who has embarked on a combined clinical electrophysiology fellowship and cardiac research program in the Cedars-Sinai Heart Institute. He has a keen interest on the electrocardiographic predictors of sudden cardiac death as well as sudden death in the seizure population.

Navid Darouian, MD

Medical Resident Email: navid.darouian@cshs.org

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Navid Darouian, MD, is an internal medicine resident at Cedars-Sinai and a member of the research team in the Chugh Lab. His area of focus is on electrocardiographic findings in the sudden cardiac death population.
Research Scientist Adriana Huertas Vazquez

Adriana Huertas Vazquez, PhD

Research Scientist Email: adriana.huertasvazquez@cshs.org

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Huertas Vazquez is a research scientist at the Cedars-Sinai Heart Institute. Her main research focus is the identification and characterization of genetic variation influencing susceptibility to sudden cardiac death.
Research Associate Ronald Mariani, EMT-P

Ronald Mariani, EMT-P

Research Associate Email: ronald.mariani@cshs.org

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Mariani is a research associate at the Cedars-Sinai Heart Institute. As a retired fire paramedic and captain in the Portland Fire Bureau, he functions as liaison to the collaborating Emergency Medical Services.

Sharon Mariani

Research Assistant

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Mariani coordinates and manages the recruitment and sample procurement process of the Chugh Laboratory study participants and oversees the office management.

Hripsime Martirosyan, MD, MPH

Clinical Research Associate Email: hripsime.martirosyan@cshs.org

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Hripsime Martirosyan, MD, MPH is a clinical research associate at the Cedars-Sinai Heart Institute. She is a medical doctor from Armenia with extensive training and experience in public health and clinical research. She is coordinating implementation of Prediction of Sudden Death in Multi-Ethnic Communities Study (PRESTO) in Ventura County.

Sandeep Nair, MD

Postdoctoral Research Fellow Email: sandeep.nair@cshs.org

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Sandeep Nair, MD, is working on projects related to sudden cardiac death (SCD) with a special focus on cardiac pathology and novel histopathological aspects of SCD. He is a clinical cardiac electrophysiologist from India.

Daniel A. Perez, BS

Biobank Laboratory Manager Email: daniel.perez2@cshs.org

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Daniel A. Perez is the research assistant and biobank laboratory manager for the Chugh Lab at the Cedars-Sinai Heart Institute. He maintains the Oregon Sudden Unexpected Deaths Study (Oregon SUDS) biobank of DNA, blood, plasma and tissue samples. Perez supports the bench work aspect of research projects by performing biological verifications, processing blood samples and performing other molecular-based assays. He is also the research study coordinator for the expanding network of study sites for the Prediction of Sudden Death in Multi-Ethnic Communities (PRESTO). Perez joined the Chugh Lab in 2014 and came with a background in molecular biology and genomics.

Derek Phan, MD

Medical Resident Email: derek.phan@cshs.org

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Derek Phanm, MD, is an internal medicine resident involved in research in the Chugh Lab at Cedars-Sinai Heart Institute. He received his bachelor's degree from the University of California, Riverside and medical degree from University of California, Los Angeles. Phan is currently involved in looking at electrocardiography predictors of sudden cardiac death in the lab.
Research Scientist Kyndaron Reinier

Kyndaron Reinier, PhD, MPH

Research Scientist Email: kyndaron.reinier@cshs.org

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Reinier is a research scientist at the Cedars-Sinai Heart Institute and lead epidemiologist for the Oregon Sudden Unexpected Death Study. She received her doctorate in epidemiology and Master of Public Health at the University of California, Berkeley, School of Public Health. Her research interests include social, demographic, and clinical predictors of sudden cardiac arrest.

Arayik Sargsyan, MD, MPH

Clinical Research Associate Email: arayik.sargsyan@cshs.org

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Arayik Sargsyan, MD, MPH, is a clinical research associate at the Cedars-Sinai Heart Institute. He is a surgeon from Armenia with extensive training and experience in public health and clinical research. Sargsyan is coordinating implementation of Prediction of Sudden Death in Multi-Ethnic Communities Study (PRESTO) in Ventura County.
Research Associate Audrey Uy-Evanado, MD

Audrey Uy-Evanado, MD

Research Associate Email: audrey.evanado@cshs.org

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Uy-Evanado is a cardiologist and research associate at the Cedars-Sinai Heart Institute. She leads the patient recruitment and phenotyping efforts for the Oregon Sudden Unexpected Death Study.
Project Scientist Carmen Teodorescu

Carmen Teodorescu, MD, PhD

Project Scientist Email: carmen.teodorescu@cshs.org

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Teodorescu is a project scientist at the Cedars-Sinai Heart Institute. Her research interests focus on mechanisms of pulseless electrical activity.
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