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Tidal Volume: The volume of air inspired or expired during each normal, quiet respiratory cycle. Common abbreviations are Tv or V with subscript T.

Lung Capacity

JoVE 10883

The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.

There are four defined lung volume measures: tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. Tidal volume is the amount of air inhaled and exhaled in a normal breath. Inspiratory (inhalation-related) reserve volume is the additional amount of air that can be inhaled after a regular inspiration. Expiratory (exhalation-related) reserve volume is the amount of air that can be exhaled after normal exhalation. Residual volume is the amount of air remaining in the lungs after forced exhalation (i.e., blowing). There are four defined lung capacity measures: inspiratory capacity, functional residual capacity, vital capacity, and total lung capacity. Inspiratory capacity is the volume of air that can be inhaled after normal exhalation. It is the sum of the two volume measures involving inhalation: tidal volume and inspiratory reserve volume. Functional residual capacity is the volume of air remaining in the lungs after normal exhalation and is equal to the sum of the expiratory reserve and residual volumes. Vital capacity is the maximum volume of air t

 Core: Circulatory and Pulmonary Systems

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

1Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 2Department of Echocardiography, Shanghai Institute of Medical imaging, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 3Department of Cardiac surgery, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University

JoVE 56439

 Biology

Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model

1Department of Otorhinolaryngology, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, 2Department of Otorhinolaryngology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 3Department of Otorhinolaryngology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, 4Department of Nursing, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 5Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 6Laboratory Animal Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 7Department of Thyroid and Parathyroid Surgery, China-Japan Union Hospital and Jilin Provincial Key Laboratory of Surgical Translational Medicine, Jilin University, 8Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology, Massachusetts Eye and Ear Infirmary; Division of Surgical Oncology, Department of Surgery, Massachusetts General Hospital; Department of Otology and Laryngology, Harvard Medical School, 9Division for Endocrine Surgery, Department of Human Pathology in Adulthood and Child-hood "G. Barresi", University Hospital G. Martino, University of Messina, 10Department of Anesthesiology, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, 11Department of Anesthesiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University

JoVE 57919

 Medicine

Autologous Endothelial Progenitor Cell-Seeding Technology and Biocompatibility Testing For Cardiovascular Devices in Large Animal Model

1Department of Biomedical Engineering, Duke University, 2School of Medicine, Duke University, 3Department of Surgery, Duke University Medical Center, 4School of Medicine, University of Pennsylvania

JoVE 3197

 Bioengineering

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

1Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, 2Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center

JoVE 56375

 Immunology and Infection

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice

1Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital - Harvard Medical School, 2Department of Respiratory Medicine, University of Cambridge - Addenbrooke's Hospital, 3Lung Transplant Program, Brigham and Women's Hospital - Harvard Medical School, 4COPD and IPF Programs, Lovelace Respiratory Research Institute

JoVE 52236

 Medicine

Imaging Cell Interaction in Tracheal Mucosa During Influenza Virus Infection Using Two-photon Intravital Microscopy

1Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana (USI), 2Graduate School of Cellular and Molecular Sciences, Faculty of Medicine, University of Bern, 3Institute of Computational Science, Università della Svizzera italiana (USI)

JoVE 58355

 Immunology and Infection

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

1Department of Surgery, The Ohio State University, 2Heart and Lung Research Institute, The Ohio State University, 3Department of Cardiovascular Medicine, The Ohio State University

JoVE 1781

 Medicine

Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice

1Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Centre for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 2Laboratory Animal Center, Peking University, 3Center of Cardiac Surgery for Adults, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Centre for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College

Video Coming Soon

JoVE 60090

 JoVE In-Press

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns

1Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 2Rehabilitation Section, Higashimatsuyama Municipal Hospital, 3Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, 4Department of Physical and Rehabilitation Medicine, Kanazawa Medical University

JoVE 60062

 Behavior

Murine Surgical Model of Topical Elastase Induced Descending Thoracic Aortic Aneurysm

1Department of Surgery, University of Virginia School of Medicine, 2Department of Surgery, Ochsner Medical Center, 3Department of Surgery, University of Florida, 4The Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine

JoVE 60105

 Medicine

A Cryoinjury Model to Study Myocardial Infarction in the Mouse

1Transplant and Stem Cell Immunobiology Lab, University Heart Center, 2Department of Surgery, Transplant and Stem Cell Immunobiology Lab, University of California San Francisco, 3Cardiovascular Research Center (CVRC) and DZHK German Center for Cardiovascular Research, 4Division of Cardiology, Cardiovascular Research Institute, University of California San Francisco, 5Cardiovascular Surgery, University Heart Center

JoVE 59958

 Medicine

Enhancing the Engraftment of Human Induced Pluripotent Stem Cell-derived Cardiomyocytes via a Transient Inhibition of Rho Kinase Activity

1Department of Biomedical Engineering, School of Medicine, School of Engineering, University of Alabama at Birmingham, 2Division of Cardiovascular Diseases, School of Medicine, School of Engineering, University of Alabama at Birmingham, 3Department of Cardiac Surgery, The Second Xiangya Hospital of Central South University

JoVE 59452

 Biochemistry

Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship

1Department of Health and Human Physiology, Department of Internal Medicine, University of Iowa, 2Pulmonary, Critical Care and Occupational Medicine Division, University of Iowa, 3Hematology, Oncology and Bone Marrow Transplant Division, University of Iowa, 4Institute for Clinical and Translational Science and Stead Family Department of Pediatrics, University of Iowa

JoVE 58238

 Medicine

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

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

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach

1Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, 2Department of Hematology, Oncology, Immunology, Rheumatology, and Pulmonology, University Hospital Tuebingen, 3Department of Pneumology, Hannover Medical School

JoVE 56017

 Medicine

Murine Myocardial Infarction Model using Permanent Ligation of Left Anterior Descending Coronary Artery

1Service of Adult Intensive Care Medicine, Department of Interdisciplinary Centers and Logistics, Lausanne University Hospital and Faculty of Biology and Medicine, Lausanne University, 2Service of Thoracic Surgery, Department of Surgery and Anesthesiology Services, Lausanne University Hospital and Faculty of Biology and Medicine, Lausanne University

JoVE 59591

 Medicine

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

1Department of Medicine, Queen's University, 2Department of Biomedical and Molecular Sciences, Queen's University, 3Department of Cell Physiology, The Jikei University School of Medicine, 4Department of Pediatrics, The Jikei University School of Medicine, 5Department of Cardiovascular Surgery, The Jikei University School of Medicine

JoVE 58787

 Medicine

Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart

1Division of Cardiothoracic Surgery, Department of Surgery, Duke University, 2Division of Cardiovascular Surgery, Department of Surgery, National Cheng Kung University Hospital and College of Medicine, 3Division of Surgical Sciences, Department of Surgery, Duke University

JoVE 55961

 Medicine
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