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Pain, Referred: A type of pain that is perceived in an area away from the site where the pain arises, such as facial pain caused by lesion of the Vagus nerve, or throat problem generating referred pain in the ear.
 Science Education: Essentials of Physical Examinations II

Abdominal Exam IV: Acute Abdominal Pain Assessment

JoVE Science Education

Source: Joseph Donroe, MD, Internal Medicine and Pediatrics, Yale School of Medicine, New Haven, CT

Abdominal pain is a frequent presenting concern in both the emergency department and the office setting. Acute abdominal pain is defined as pain lasting less than seven days, while an acute abdomen refers to the abrupt onset of severe abdominal pain with features suggesting a surgically intervenable process. The differential diagnosis of acute abdominal pain is broad; thus, clinicians must have a systematic method of examination guided by a careful history, remembering that pathology outside of the abdomen can also cause abdominal pain, including pulmonary, cardiac, rectal, and genital disorders. Terminology for describing the location of abdominal tenderness includes the right and left upper and lower quadrants, and the epigastric, umbilical, and hypogastric regions (Figures 1, 2). Thorough examination requires an organized approach involving inspection, auscultation, percussion, and palpation, with each maneuver performed purposefully and with a clear mental representation of the anatomy. Rather than palpating randomly across the abdomen, begin palpating remotely from the site of tenderness, moving systematically toward the tender region, and thi

 JoVE Behavior

Method for Simultaneous fMRI/EEG Data Collection during a Focused Attention Suggestion for Differential Thermal Sensation

1Neuropsychiatric Institute, University of California, Los Angeles, 2Laboratory of Neuroimaging Technology, University of California, Los Angeles, 3Yale School of Medicine, 4Korean Basic Science Institute


JoVE 3298

 JoVE Neuroscience

Flat Mount Imaging of Mouse Skin and Its Application to the Analysis of Hair Follicle Patterning and Sensory Axon Morphology

1Department of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, 2Department of Neuroscience, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, 3Department of Ophthalmology, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine


JoVE 51749

 JoVE Medicine

Performing and Processing FNA of Anterior Fat Pad for Amyloid

1Department of Pathology, Medical College of Wisconsin, 2Current Address: Department of Pathology, Wayne State University School of Medicine Detroit Medical Center, 3Department of Neurology, Medical College of Wisconsin, 4Department of Medicine, Medical College of Wisconsin, 5Division of Neoplastic Diseases and Related Disorders, Medical College of Wisconsin


JoVE 1747

 JoVE Medicine

Isolation, Characterization and Comparative Differentiation of Human Dental Pulp Stem Cells Derived from Permanent Teeth by Using Two Different Methods

1Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran, 2Department of Endocrinology & Female Infertility, Reproductive Biomedicine Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran


JoVE 4372

 JoVE Medicine

Diffuse Optical Spectroscopy for the Quantitative Assessment of Acute Ionizing Radiation Induced Skin Toxicity Using a Mouse Model

1Department of Radiation Oncology, University of Toronto, 2Department of Physics, Ryerson University, 3Department of Medical Biophysics, University of Toronto, 4Ontario Cancer Institute / Campbell Family Institute for Cancer Research


JoVE 53573

 JoVE Neuroscience

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

1Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, 2Scholars Academy/MARC Scholar, University of Houston-Downtown, 3Genes and Development Graduate Program, University of Texas Graduate School of Biomedical Sciences, 4Neuroscience Graduate Program, University of Texas Graduate School of Biomedical Sciences


JoVE 3837

 Science Education: Essentials of Experimental Psychology

Ethics in Psychology Research

JoVE Science Education

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University

When a researcher finds an interesting topic to study such as aggression, the goal is often to study it in a way that is as true to life as possible. However, researchers must act in an ethical manner.  To do this, they must balance their research goals with the best interests of the participants. Ethics often enter into the planning process when researchers identify all of the ways they can manipulate or measure a variable, but then make their final decision based on how they should manipulate or measure a variable. After receiving a poor grade on a test or paper, a college student may appear to take it out on (i.e., act in an aggressive manner toward) their roommates by being mean or nasty, screaming, throwing things, or even becoming physically violent. Aggression is an important human behavior to study and understand due to the implications it has for interpersonal violence. However, for safety reasons, a study cannot expose participants to the risk that serious types of violence presents. As a result, researchers must identify similar but benign behaviors that can help us understand more aggressive behaviors without harming participants.

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