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Vascular Resistance: The force that opposes the flow of Blood through a vascular bed. It is equal to the difference in Blood pressure across the vascular bed divided by the Cardiac output.

Evaluation of Vascular Control Mechanisms Utilizing Video Microscopy of Isolated Resistance Arteries of Rats

1Department of Physical Therapy, Marquette University, 2Medical College of Wisconsin, 3Department of Physiology, Medical College of Wisconsin, 4Graduate Programs of Nurse Anesthesia, Texas Wesleyan University, 5Office of Research, Medical College of Wisconsin

Video Coming Soon

JoVE 56133


 JoVE In-Press

Combined Intravital Microscopy and Contrast-enhanced Ultrasonography of the Mouse Hindlimb to Study Insulin-induced Vasodilation and Muscle Perfusion

1Laboratory for Physiology, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center, 2Department of Internal Medicine, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center

JoVE 54912


 Medicine

Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension

1Center for Congenital Heart Diseases, Department of Pediatric Cardiology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, 2Research and Development Facility, University Medical Center Groningen, University of Groningen

JoVE 55065


 Medicine

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

1Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, 2Cardiovascular Research Center and Cardiology Division of the Department of Medicine, Massachusetts General Hospital, 3Cardiovascular Division, Brigham and Women's Hospital, 4Harvard Medical School, 5Department of Anesthesiology, Uniklinik RWTH Aachen, RWTH Aachen University, 6Center for Immunology and Inflammatory Diseases and the Division of Rheumatology, Allergy, and Immunology of the Department of Medicine, Massachusetts General Hospital

JoVE 54017


 Medicine

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

1Lundbeck Foundation Research Initiative on Brain Barriers and Drug Delivery, Department of Biomedicine, Aarhus University, 2Institute of Pharmaceutical Science, King's College London, 3HICoE Centre for Drug Research, Universiti Sains Malaysia

JoVE 56277


 Medicine

Analysis of Spinal Cord Blood Supply Combining Vascular Corrosion Casting and Fluorescence Microsphere Technique: A Feasibility Study in an Aortic Surgical Large Animal Model

1Cardiovascular Surgery, Heart Center Freiburg University, Faculty of Medicine, University of Freiburg, 2Anesthesiology and Intensive Care, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg

Video Coming Soon

JoVE 56222


 JoVE In-Press

Isolation of Endothelial Progenitor Cells from Healthy Volunteers and Their Migratory Potential Influenced by Serum Samples After Cardiac Surgery

1Department of Intensive Care Medicine, University Hospital Aachen, 2Institute of Biochemistry and Molecular Biology, University Hospital Aachen, 3Department of Radiology, German Cancer Research Center, 4Department of Thoracic and Cardiovascular Surgery, University Hospital Aachen, 5Department of Vascular Biology, Institute for Stroke and Dementia Research (ISD), Klinikum der Universität München, 6Deutsches Zentrum für Herz-/Kreislaufkrankheiten (DZHK), Munich Heart Alliance

JoVE 55192


 Medicine

Studying Diabetes Through the Eyes of a Fish: Microdissection, Visualization, and Analysis of the Adult tg(fli:EGFP) Zebrafish Retinal Vasculature

1Department of Vascular Biology and Tumorangiogenesis, Center for Biomedicine and Medical Technology Mannheim (CBTM), Medical Faculty Mannheim, Heidelberg University, 2V. Medical Clinic, Medical Faculty Mannheim, Heidelberg University

Video Coming Soon

JoVE 56674


 JoVE In-Press

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound

1Department of Biomedical Engineering, Johns Hopkins University, 2Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, 3Department of Medicine (Cardiology), Johns Hopkins University, 4The Australian School of Advanced Medicine, Macquarie University

JoVE 52200


 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

Isolation of Murine Embryonic Hemogenic Endothelial Cells

1Departments of Medicine, Genetics and Biomedical Engineering, Yale Cardiovascular Research Center, Vascular Biology and Therapeutics Program, Yale Stem Cell Center, Yale University School of Medicine, 2Department of Pediatrics, Section of Neonatal-Perinatal Medicine, Yale University School of Medicine, 3Department of Molecular and Cellular Biology, Baylor College of Medicine

JoVE 54150


 Developmental Biology

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

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

Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies

1Environmental Risk and Health, Flemish Institute for Technological Research (VITO), 2Centre for Environmental Sciences, Hasselt University, 3Transportation Research Institute, Hasselt University, 4Department of Public Health, Occupational and Environmental Medicine, Leuven University

JoVE 51904


 Medicine

Intraosseous Needle Placement

JoVE 10312

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

For unstable patients requiring urgent administration of medications, fluids, or blood products, establishing vascular access quickly is essential. However, there are many factors that can complicate placement of a peripheral intravenous cannula (PIV), and it is extremely common for PIV attempts to fail. PIV placement may be technically challenging in small children, injection drug users, obese people, people with chronic illnesses necessitating frequent vascular access, and in those with burns and other skin conditions. Furthermore, for patients in shock, blood is shunted away from the periphery in order to compensate for impaired perfusion of vital organs, making peripheral vessels difficult to find and


 Emergency Medicine and Critical Care

Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets

1Department of Medicine, Pulmonary Hypertension Research Group (CRIUCPQ), Laval University, 2Institut National de la Recherche Agronomique, 3Université Diderot Paris, Sorbonne Paris Cité, 4Hôpital Lariboisière, Physiologie clinique Explorations Fonctionnelles, 5INSERM U 965, 6Service de Cardiologie, Centre Hospitalier Universitaire Tours

JoVE 52571


 Medicine

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