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Cardiac Output, Low: A state of subnormal or depressed cardiac output at rest or during stress. It is a characteristic of Cardiovascular diseases, including congenital, valvular, rheumatic, hypertensive, coronary, and cardiomyopathic. The serious form of low cardiac output is characterized by marked reduction in Stroke volume, and systemic vasoconstriction resulting in cold, pale, and sometimes cyanotic extremities.

Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise

1Division of Pulmonary Medicine, University of Alberta, 2Faculty of Physical Education and Recreation, University of Alberta, 3Divisions of Critical Care and Cardiology, University of Alberta, 4Faculty of Rehabilitation Medicine, University of Alberta, 5G.F. MacDonald Centre for Lung Health

JoVE 54949


 Medicine

Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

1School of Natural Sciences, University of California, Merced, 2Centro de Investigaciones Cardiovasculares, Universidad de la Plata and Conicet, 3Facultad de Ingenieria, Universidad Nacional de Entre Rios, 4Department of Physiology, Midwestern University, 5School of Engineering, University of California, Merced

JoVE 55202


 Biology

High-throughput Parallel Sequencing to Measure Fitness of Leptospira Interrogans Transposon Insertion Mutants During Golden Syrian Hamster Infection

1Veterans Affairs Greater Los Angeles Healthcare System, 2Departments of Medicine, David Geffen School of Medicine at University of California Los Angeles, 3Departments of Urology, David Geffen School of Medicine at University of California Los Angeles, 4Departments of Microbiology, Immunology, and Molecular Genetics, University of California Los Angeles

Video Coming Soon

JoVE 56442


 JoVE In-Press

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve

1Centro Cardiologico Monzino IRCCS, 2Cardiovascular Tissue Bank of Milan, Centro Cardiologico Monzino IRCCS, 3Department of Clinical Sciences and Community Health, Cardiovascular Section, University of Milan, 4Department of Cardiovascular Disease, Development and Innovation Cardiac Surgery Unit, Centro Cardiologico Monzino IRCCS

JoVE 55762


 Biochemistry

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle

1Davis Heart and Lung Research Institute, The Ohio State University, 2Laboratory of Clinical Investigation, National Institute on Aging, 3Division of Endocrinology, Diabetes and Metabolism, The Ohio State University, 4Department of Human Sciences, Human Nutrition, The Ohio State University, 5Division of Endocrinology and Diabetes, Department of Pediatrics, University of Pennsylvania

JoVE 54977


 Medicine

Basic Life Support: Cardiopulmonary Resuscitation and Defibrillation

JoVE 10199

Source: Julianna Jung, MD, FACEP, Associate Professor of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA

High-quality cardiopulmonary resuscitation (CPR) is the single most important determinant of intact survival in cardiac arrest, and it is critical that all healthcare workers are able to perform this lifesaving technique effectively. Despite the conceptual simplicity of CPR, the reality is that many providers perform it incorrectly, resulting in suboptimal survival outcomes for their patients. This video looks at the essential elements of high-quality CPR, discusses the physiologic basis for each step, and describes how to optimize them in order to enhance survival outcomes. Appropriate prioritization of interventions in cardiac arrest and methods for optimizing resuscitation performance are covered as well.


 Emergency Medicine and Critical Care

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

1Division Woman and Child, Department Women, University Hospitals Leuven, 2The Ritchie Centre, Monash Institute of Medical Research, Department of Obstetrics and Gynaecology, Monash University, Victoria, Australia, 3Department of Cardiovascular Sciences, Katholieke Universiteit Leuven, 4Fetal and Perinatal Medicine Research Group, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), 5Maternal-Fetal Medicine Department, ICGON, Hospital Clínic, Universitat de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)

JoVE 50392


 Medicine

Near-infrared Navigation System for Real-time Visualization of Blood Flow in Vascular Grafts

1Department of Radiology, University of Missouri, 2Office of Animal Resources, University of Missouri, 3Bioengineering, University of Missouri, 4Biomedical Science, University of Missouri, 5Surgery - Division of Cardiothoracic Surgery, University of Missouri, 6MU-iCATS, University of Missouri, 7Medical Pharmacology and Physiology, University of Missouri

Video Coming Soon

JoVE 54927


 JoVE In-Press

Method of Isolated Ex Vivo Lung Perfusion in a Rat Model: Lessons Learned from Developing a Rat EVLP Program

1Department of Biomedical Engineering, Ohio State University Wexner Medical Center, 2Davis Heart & Lung Research Institute, Ohio State University Wexner Medical Center, 3The Collaboration for Organ Perfusion, Protection, Engineering and Regeneration (COPPER) Laboratory, Ohio State University Wexner Medical Center, 4Division of Cardiac Surgery, Department of Surgery, Ohio State University Wexner Medical Center, 5Departments of Pediatrics and Internal Medicine, Ohio State University, 6Advanced Lung Disease Program, Lung and Heart-Lung Transplant Programs, Nationwide Children's Hospital, 7Division of Transplantation, Department of Surgery, Ohio State University Wexner Medical Center

JoVE 52309


 Medicine

Harmonic Nanoparticles for Regenerative Research

1Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 2Physics Department, GAP-Biophotonics, University of Geneva, 3Laboratoire d'Optique Biomédicale (LOB), Faculté des Sciences et Techniques de l'Ingénieur, École Polytechnique Fédérale de Lausanne, 4Department of Clinical Medicine, School of Medicine, Trinity College Dublin, 5School of Medicine and CRANN, Trinity College Dublin, 6Nikon AG Instruments

JoVE 51333


 Bioengineering

Standardized Colon Ascendens Stent Peritonitis in Rats - a Simple, Feasible Animal Model to Induce Septic Acute Kidney Injury

1Department of Anesthesiology and Intensive Care Medicine, University Medical Center, 2Department of Anesthesia and Critical Care, University of Würzburg, 3Department of General, Visceral, Vascular and Paediatric Surgery, Department of Surgery I, University of Würzburg, 4Department of Internal Medicine I, Division of Nephrology, University Hospital Würzburg, 5Department of Physiology and Pharmacology, West Virginia University School of Medicine

Video Coming Soon

JoVE 54448


 JoVE In-Press

Anesthesia Induction and Maintenance

JoVE 10263

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

The Guide for the Care and Use of Laboratory Animals ("The Guide") states that pain assessment and alleviation are integral components of the veterinary care of laboratory animals.1 The definition of anesthesia is the loss of feeling or sensation. It is a dynamic event involving changes in anesthetic depth with respect to an animal's metabolism, surgical stimulation, or variations in the external environment.


 Lab Animal Research

Measuring Cardiac Autonomic Nervous System (ANS) Activity in Children

1Department of Public Health, Academic Medical Center - University of Amsterdam, 2Department of Epidemiology, Documentation and Health Promotion, Public Health Service of Amsterdam (GGD), 3Department of Biological Psychology, VU University, 4EMGO+ Institute, VU University Medical Center, 5Institute of Health Sciences, VU University, 6Department of Pediatrics, VU University Medical Center

JoVE 50073


 Medicine

Imaging Subcellular Structures in the Living Zebrafish Embryo

1Institute of Neuronal Cell Biology, Technische Universität München, 2Cell Biology, Department of Biology, Faculty of Science, Utrecht University, 3Faculty of Biology, Ludwig-Maximilians-Universität-München, 4Adolf-Butenandt-Institute, Biochemistry, Ludwig-Maximilians-Universität-München, 5German Center for Neurodegenerative Diseases, 6Laboratory of Brain Development and Repair, The Rockefeller University

JoVE 53456


 Developmental Biology

Isolation and Kv Channel Recordings in Murine Atrial and Ventricular Cardiomyocytes

1Experimental and Clinical Research Center (ECRC), Charité Medical Faculty and Max-Delbrück Center for Molecular Medicine (MDC), 2Medical Department, Division of Cardiology, Campus Virchow-Klinikum, Charité - Universitätsmedizin Berlin, 3Medical Department, Division of Cardiology and Angiology, Campus Mitte, Charité - Universitätsmedizin Berlin

JoVE 50145


 Biology

Use of a Piglet Model for the Study of Anesthetic-induced Developmental Neurotoxicity (AIDN): A Translational Neuroscience Approach

1Department of Anesthesiology, Ohio State University College of Medicine, 2Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital, 3Department of Anaesthesia and Critical Care Medicine, University of Toronto, 4Department of Biomedical Sciences, Section of Anatomic Pathology, Cornell University College of Veterinary Medicine, 5Department of Pathology and Anatomy, Ohio State University College of Medicine, 6Department of Pathology and Laboratory Medicine, Nationwide Children's Hospital

JoVE 55193


 Medicine

Technique and Considerations in the Use of 4x1 Ring High-definition Transcranial Direct Current Stimulation (HD-tDCS)

1Laboratory of Neuromodulation, Department of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard Medical School, 2School of Medicine, Pontifical Catholic University of Ecuador, 3Charité University Medicine Berlin, 4The City College of The City University of New York, 5Headache & Orofacial Pain Effort (H.O.P.E.), Biologic & Materials Sciences, School of Dentistry, University of Michigan

JoVE 50309


 Medicine

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