Refine your search:

Containing Text
- - -
+
Filter by author or institution
GO
Filter by publication date
From:
October, 2006
Until:
Today
Filter by section
 
 
Femoral Nerve: A nerve originating in the lumbar spinal cord (usually L2 to L4) and traveling through the lumbar plexus to provide motor innervation to extensors of the thigh and sensory innervation to parts of the thigh, lower leg, and foot, and to the hip and knee joints.
 JoVE Bioengineering

The Arteriovenous (AV) Loop in a Small Animal Model to Study Angiogenesis and Vascularized Tissue Engineering

1Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), 2Genetic Engineering and Biotechnology Institute for Postgraduate Studies, Baghdad University, 3Department of Plastic, Hand and Microsurgery, Sana Klinikum Hof GmbH


JoVE 54676

 JoVE In-Press

In Vivo Model for Testing Effect of Hypoxia on Tumor Metastasis

1Department of Biochemistry and Molecular & Cellular Biology, Georgetown University Medical Center, 2Department of Nursing, Georgetown University, School of Nursing and Health Studies, 3Department of Human Science, Georgetown University, School of Nursing and Health Studies, 4School of Medicine, Georgetown University Medical Center, 5Department of Pathology and Neuropathology, Medical University of Gdańsk, 6Department of Oncology, Georgetown University Medical Center, 7Department of Pathology, Georgetown University Medical Center

Video Coming Soon

JoVE 54532

 Science Education: Essentials of Physical Examinations III

Motor Exam I

JoVE Science Education

Source: Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's/Massachusetts General Hospital, Boston, Massachusetts, USA

Abnormalities in the motor function are associated with a wide range of diseases, from movement disorders and myopathies to strokes. The motor assessment starts with observation of the patient. When the patient enters the examination area, the clinician observes their ability to walk unassisted and their speed and coordination while moving. Taking the patient's history provides an additional opportunity to observe for evidence of tremors or other abnormal movements, such as chorea or tardive dyskinesia. Such simple but important observations can yield valuable clues to the diagnosis and helps to focus the rest of the examination. The motor assessment continues in a systematic fashion, including inspection for muscle atrophy and abnormal movements, assessment of muscle tone, muscle strength testing, and finally, the examination of the muscle reflexes and coordination. The careful systematic testing of the motor system and the integration of all the findings provide insight to the level at which the motor pathway is affected, and also help the clinician to formulate the differential diagnosis and determine the course of the subsequent evaluation and treatment.

 JoVE Medicine

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

 JoVE Medicine

Orthotopic Hind Limb Transplantation in the Mouse

1Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, 2Department of Visceral, Transplant and Thoracic Surgery, Innsbruck Medical University, 3Center for Vascularized Composite Allotransplantation, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital and School of Medicine, 4Department of General, Visceral and Transplant Surgery, Charite Berlin


JoVE 53483

 Science Education: Inactive Collection

Central Venous Catheter Insertion: Femoral Vein with Ultrasound Guidance

JoVE Science Education

Source: James W Bonz, MD, Emergency Medicine, Yale School of Medicine, New Haven, Connecticut, USA

Central venous access is necessary in a multitude of clinical situations including vascular access, vasopressor and caustic medication delivery, central venous pressure monitoring, volume resuscitation, total parental nutrition, hemodialysis, and frequent phlebotomy. There are three veins in the body that are accessed for central venous cannulation: the internal jugular, the subclavian, and the femoral. Each of these vessels has distinct advantages and disadvantages with unique anatomical considerations. Femoral vein cannulation can be easily performed both under ultrasound guidance and using the surface landmarks, therefore femoral access is often used when emergent placement of a central venous catheter (CVC) is needed (such as in the case of medical codes and trauma resuscitations). In addition, cannulation of the femoral artery allows one to simultaneously perform other procedures needed for stabilization, such as cardio-pulmonary resuscitation (CPR) and intubation. Successful placement of a femoral CVC requires working understanding of the target anatomy, access to with procedural ultrasound, and fluidity in the Seldinger technique. Seld

 JoVE Medicine

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

1Surgical Research Lab, Marie Lannelongue Hospital, 2Department of Pathology, Marie Lannelongue Hospital, 3Department of Thoracic and Vascular Surgery, Marie Lannelongue Hospital, 4Thoracic and Cardiovascular Surgery, University Hospital of Rennes, 5INSERM U999 Paris-Sud University


JoVE 53133

 JoVE Medicine

Basic Surgical Techniques in the Göttingen Minipig: Intubation, Bladder Catheterization, Femoral Vessel Catheterization, and Transcardial Perfusion

1Department of Neurosurgery, Aarhus University Hospital, 2Department of Neurobiology, Institute of Anatomy, Faculty of Health Sciences, Aarhus University, 3Positron Emission Tomography (PET) Centre, Aarhus University Hospital


JoVE 2652

 Science Education: Essentials of Physical Examinations III

Sensory Exam

JoVE Science Education

Source: Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's/Massachusetts General Hospital, Boston, Massachusetts, USA

A complete sensory examination consists of testing primary sensory modalities as well as cortical sensory function. Primary sensory modalities include pain, temperature, light touch, vibration and joint position sense. Whereas the sensation of the face is discussed in the video of the cranial nerve examination as are the special senses of smell, vision, taste, and hearing. Pain and temperature information from skin to thalamus is mediated by the spinothalamic tract. The spinothalamic fibers decussate (cross over) 1-2 spinal nerve segments above the point of entry and then travel up to the brainstem until they synapse on various nuclei in thalamus. From the thalamus, information is the relayed to the cortical areas such as postcentral gyrus, also known as the primary somatosensory cortex. Afferent fibers transmitting vibration and proprioception travel up to medulla in the ipsilateral posterior columns as fasciculus gracilis and fasciculus cuneatus, which carry information from the lower limbs and upper limbs, respectively. Subsequently the afferent projections cross over and ascend to thalamus and from there to the primary somatosensory cortex. The p

 JoVE Cancer Research

Intra-iliac Artery Injection for Efficient and Selective Modeling of Microscopic Bone Metastasis

1Lester and Sue Smith Breast Center, Baylor College of Medicine, 2Department of Molecular and Cellular Biology, Baylor College of Medicine, 3Graduate Program in Developmental Biology, Baylor College of Medicine, 4Department of Molecular and Human Genetics, Baylor College of Medicine, 5McNair Medical Institute, Baylor College of Medicine, 6Dan L. Duncan Cancer Center, Baylor College of Medicine


JoVE 53982

 JoVE Medicine

A Novel Murine Model of Arteriovenous Fistula Failure: The Surgical Procedure in Detail

1Department of Nephrology, Leiden University Medical Center, 2Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 3Department of Surgery, Leiden University Medical Center, 4Division of Nephrology, University of Cincinnati


JoVE 53294

 Science Education: Inactive Collection

Arterial Line Placement

JoVE Science Education

Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA

When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs and, for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements. This can be achieved by intra-arterial blood pressure monitoring and requires arterial line placement. Arterial line placement refers to the insertion of a catheter, which is able to transduce blood pressure, into one of the major arteries (e.g. radial or femoral artery). Patients who potentially need arterial line placement include those with extreme low (such as in sepsis or cardiogenic shock) or high (as in cerebrovascular accident or hypertensive emergency) blood pressure measurements. Many of these patients are placed on vasoactive medications to either increase or decrease their blood pressure. When the goal is to decrease the blood pressure of a patient, it must be done gradually, which further necessitates close blood pressure monitoring. Arterial line placement is also ideal for patients who require frequent arterial blood ga

 JoVE Medicine

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis

1Institute for Molecular Cardiovascular Research, RWTH Aachen University, 2Institute for Textile Technology and Mechanical Engineering, RWTH Aachen University, 3Institute for Applied Medical Engineering, Helmholtz-Institute of RWTH Aachen University, 4Department of Experimental Molecular Imaging, RWTH Aachen University, 5Department of Oral and Maxillofacila Surgery, RWTH Aachen University


JoVE 50233

 Science Education: Essentials of Physical Examinations III

Motor Exam II

JoVE Science Education

Source:Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's/Massachusetts General Hospital, Boston, Massachusetts, USA

There are two main types of reflexes that are tested on a neurological examination: stretch or deep tendon reflexes, and superficial reflexes. A deep tendon reflex (DTR) results from the stimulation of a stretch-sensitive afferent from a neuromuscular spindle, which, via a single synapse, stimulates a motor nerve leading to a muscle contraction. DTRs are increased in chronic upper motor neuron lesions (lesions of the pyramidal tract) and decreased in lower motor neuron lesions and nerve and muscle disorders. There is a wide variation of responses and reflexes graded from 0 to 4+ (Table 1). DTRs are commonly tested to help localize neurologic disorders. A common method of recording findings during the DTRs examination is using of a stick ure diagram. The DTR test can help distinguish upper and lower motor neuron problems and can assist in localizing nerve root compression as well. Although the DTR of nearly any skeletal muscle could be tested, the reflexes that are routinely tested are: brachioradialis, biceps, triceps, patellar, and Achilles (Table 2). Superficial reflexes are segmental reflex responses that result from stim

 Science Education: Essentials of Physical Examinations III

Hip Exam

JoVE Science Education

Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA

The hip is a ball and socket joint that consists of the femoral head articulating with the acetabulum. When combined with the hip ligaments, it makes for a very strong and stable joint. But, despite this stability, the hip has considerable motion and is prone to degeneration with wear and tear over time and after injury. Hip pain can affect patients of all ages, and it can be associated with various intra- and extra-articular pathologies. Anatomic location of pain in the hip region can often provide initial diagnostic clues. Essential aspects of the hip exam include an inspection for asymmetry, swelling, and gait abnormalities; palpation for areas of tenderness; range of motion and strength testing; a neurological (sensory) exam; and additional special diagnostic maneuvers to narrow down the differential diagnosis.

12345678917
More Results...
Waiting
simple hit counter