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Rupture, Spontaneous: Tear or break of an organ, vessel or other soft part of the body, occurring in the absence of external force.

Pericardiocentesis

JoVE 10236

Source: Rachel Liu, BAO, MBBCh, Emergency Medicine, Yale School of Medicine, New Haven, Connecticut, USA

The heart lies within the pericardium, a relatively inelastic fibrous sac. The pericardium has some compliance to stretch when fluid is slowly introduced into the pericardial space. However, rapid accumulation overwhelms pericardial ability to accommodate extra fluid. Once a critical volume is reached, intrapericardial pressure increases dramatically, compressing the right ventricle and eventually impeding the volume that enters the left ventricle. When these chambers cannot fill in diastole, stroke volume and cardiac output are diminished, leading to cardiac tamponade, a life-threatening compression of the cardiac chambers by a pericardial effusion. Unless the pressure is relieved by aspiration of pericardial fluid (pericardiocentesis), cardiac arrest is imminent. Cardiac tamponadeis a critical emergency that can carry high morbidity and mortality. Patients may present in extremis, without much time to make the diagnosis and perform life-saving treatments. Causes of this condition are broken into traumatic and non-traumatic categories, with different treatment algorithms. Stab and gunshot wounds are the primary cause of traumatic tamponade, but it may occur from blunt trauma associated with


 Emergency Medicine and Critical Care

Spontaneous Formation and Rearrangement of Artificial Lipid Nanotube Networks As a Bottom-Up Model for Endoplasmic Reticulum

1Centre for Molecular Medicine Norway, Faculty of Medicine, University of Oslo, 2Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Oslo, 3Department of Chemistry and Chemical Engineering, Chalmers University of Technology

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JoVE 58923


 JoVE In-Press

A Suction Blister Protocol to Study Human T-cell Recall Responses In Vivo

1Department of Infectious Disease Immunology, Center for Vaccine Research, Statens Serum Institut, 2Department of Infectious Diseases, Hvidovre Hospital, 3Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 4Division of Infection and Immunity, University College London

JoVE 57554


 Immunology and Infection

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

1Translational Experimental Pediatrics, Experimental Pulmonology, Department of Pediatrics and Adolescent Medicine, University of Cologne, 2Department of Pediatrics and Adolescent Medicine, University of Cologne, 3Division of Experimental Pediatrics and Metabolism, University Children's Hospital, Heinrich Heine University Düsseldorf

JoVE 56685


 Immunology and Infection

Creation of a Rodent Model of Abdominal Aortic Aneurysm by Blocking Adventitial Vasa Vasorum Perfusion

1Department of Medical Physiology, Hamamatsu University School of Medicine, 2Division of Vascular Surgery, Second Department of Surgery, Hamamatsu University School of Medicine, 3Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University, 4Department of Organ & Tissue Anatomy, Hamamatsu University School of Medicine

JoVE 55763


 Medicine

Modeling Intracerebral Hemorrhage in Mice: Injection of Autologous Blood or Bacterial Collagenase

1Department of Physiology and Pharmacology, Loma Linda University School of Medicine, 2College of Natural and Agricultural Sciences, University of California, Riverside, 3Department of Anesthesiology, Loma Linda University School of Medicine, 4Department of Neurosurgery, Loma Linda University School of Medicine

JoVE 4289


 Medicine

Determination of the Transport Rate of Xenobiotics and Nanomaterials Across the Placenta using the ex vivo Human Placental Perfusion Model

1Department of Obstetrics, Perinatal Pharmacology, University Hospital Zurich, 2Laboratory for Materials - Biology Interactions, EMPA Swiss Federal Laboratories for Materials Testing and Research, 3Graduate School for Cellular and Biomedical Sciences, University of Bern

JoVE 50401


 Bioengineering

The Rabbit Blood-shunt Model for the Study of Acute and Late Sequelae of Subarachnoid Hemorrhage: Technical Aspects

1Department of Intensive Care Medicine, University and Bern University Hospital (Inselspital), 2Department of Neurosurgery, Kantonsspital Aarau, 3Laboratories for Neuroscience Research in Neurosurgery, Boston Children's Hospital, 4Harvard Medical School, Boston Children's Hospital, 5Department of Neurosurgery, University and Bern University Hospital (Inselspital), 6Department of Neurosurgery, University Hospital Cologne, 7Institute of Pathology, Länggasse Bern

JoVE 52132


 Medicine

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