Top videos
Central catheters provide dependable intravenous access and enable hemodynamic monitoring and blood sampling [1-3]. The jugular veins are one of the most popular sites for central venous access due to accessibility and overall low complication rates, and are the preferred site for temporary hemodialysis.
James Dunn, MD, PhD is a pediatric surgeon at Stanford Children's Health. He is board certified in General Surgery and Pediatric Surgery.
Learn more at https://www.stanfordchildrens.....org/en/service/gener
LIS Closed done at 5 O clock position, using Scalpel blade 15. After feeling the groove between internal and external anal sphincter, the blade is passed in and the lower 1/2 of Internal anal sphincter is cut. Remain below dentate line. If anal mucosa is accidently cut suture with 4-0 rapid vicryl. In event of bleeding, pinchcock for 5 minutes.
Hysteroscopy is a procedure that allows your doctor to look inside your uterus in order to diagnose and treat causes of abnormal bleeding. Hysteroscopy is done using a hysteroscope, a thin, lighted tube that is inserted into the vagina to examine the cervix and inside of the uterus.
The hepatitis E virus, responsible for major epidemics of viral hepatitis in subtropical and tropical countries, was cloned only 7 years ago.1 Hepatitis E was found to belong to the family of Caliciviridae, which includes the Norwalk virus—a common cause of gastroenteritis in humans—and consists of a single, plus-strand RNA genome of approximately 7.2 kb without an envelope (Fig. 1). The virus contains at least three open reading frames encoding viral proteins against which antibodies are made on exposure. These antibodies, especially those against the capsid protein derived from the second open reading frame2 and a protein of unknown function derived from the third open reading frame, are detected by currently available serologic assays. Retrospective studies on stored sera of past epidemics of viral hepatitis in Mexico, Africa, Afghanistan, Pakistan, India, Bangladesh, Burma, Nepal, and Borneo have revealed that all were caused by strains of hepatitis E. In addition, hepatitis E was found to be responsible for the hepatitis epidemic in the southern part of Xinjiang, China, in which 120,000 persons became infected between September 1986 and April 1988.3 Hepatitis E predominantly affects young adults (15 to 40 years old). The symptoms of hepatitis E are similar to those of hepatitis A. Frequently, a prodrome consisting of anorexia, nausea, low-grade fever, and right upper abdominal pain is present 3 to 7 days before jaundice develops. Aminotransferase levels peak (usually between 1,000 and 2,000 U/L) near the onset of symptoms; bilirubin levels (10 to 20 mg/dL) peak later. Jaundice usually resolves after 1 to 2 weeks. In about 10% of cases, the disease is fulminant—especially in pregnant women, among whom mortality rates as high as 20% due to hemorrhagic and thrombotic complications have been reported. No evidence has suggested that hepatitis E can cause chronic infection. Transmission is by the fecal-oral route, predominantly through fecally contaminated drinking water supplies. In addition, however, preliminary reports have suggested transmission of the hepatitis E virus through blood transfusions. Volunteer studies confirmed the presence of the virus in serum and feces before and during clinical disease.4 The virus is shed into feces approximately 1 week before symptoms develop. The incubation period varies from 2 to 9 weeks (mean duration, approximately 45 days). Until now, a few reports had described symptomatic hepatitis E acquired in Europe;5, 6 all patients with symptomatic hepatitis E in the United States were travelers returning from Mexico, Africa, or the Far East, in whom hepatitis E developed after their return home.7 In this issue of the Mayo Clinic Proceedings (pages 1133 to 1136), Kwo and associates describe a case of hepatitis E in a man who had not left the United States during the previous 10 years. Specific serologic tests for hepatitis E virus IgG (enzyme immunoassays and a fluorescent antibody blocking assay) and IgM8 (US strain-specific enzyme-linked immunosorbent assay with use of synthetic polypeptides deduced from the viral genome, as shown in Figure 1), developed at Abbott Laboratories (IgG and IgM) as well as at the Centers for Disease Control and Prevention (IgG), were used to prove that the patient indeed had acute hepatitis E. Researchers at Abbott Laboratories have prepared a report that describes most of the viral genome in this patient (Fig. I).8 Their results are interesting because this strain from the United States differs considerably from hepatitis E strains isolated in Mexico, Burma, Pakistan, or China. Furthermore, the sequence of the US strain is highly homologous (98% and 94% homology at the amino acid level to the second and third open reading frames, respectively) to a recently isolated hepatitis E strain from American swine.9 This finding suggests that, in the United States, hepatitis E is a zoonosis with the swine population as one of its hosts. This relationship would confirm earlier studies in Asia, where swine were also found to carry variants of the hepatitis E virus.10 Why are these two recent discoveries important for medicine in the United States? First, other sporadic, locally acquired cases of acute hepatitis may be caused by hepatitis E. Second, these back-to-back discoveries strongly suggest that a common natural host for hepatitis E is present in countries with more moderate climates. Because swine do not seem to experience any symptoms associated with infection and because symptoms in humans can be minor or absent, we now may also have an explanation for the 1 to 2% of positive hepatitis E serologic results in blood donors in the United States,11 Netherlands,12 and Italy,6 countries with large swine staples. Clearly, more research needs to be done to confirm this hypothesis. Third, in countries with more moderate climates, hepatitis E may often result in a subclinical infection. Is this variation in manifestation due to less virulent strains, and do sequence variations determine virulence? Fourth, swine may be used as an animal model for study of the disease as well as vaccine development.
This video is designed for my introductory A&P course to study the endocrine system. This tutorial will take you through the various endocrine organs, hormones produced, and effects at each tissue. Prolactin is one of the 5 hormones we are studying of the anterior pituitary. SHOW MORE
A Beautiful Smile at Lake Pointe is Sugar Land premier dentistry practice. Dr. Lance Jue has been serving patients' preventive, restorative and cosmetic dental needs here in Sugar Land for over 19 years. Book an appointment online now with Dr. Lance Jue
http://www.nucleushealth.com/ - This 3D medical animation shows the cause and laparoscopic treatment of a ventral incisional hernia. If you have had abdominal surgery in the past, a ventral incisional hernia may appear at the site of your surgical scar. Your intestine may push through a weakened spot in the tissue between your abdominal muscles creating a bulge beneath your skin. If your hernia is not repaired, complications may occur.
#VentralHernia #VentralIncisionalHernia #IncisionalHernia
ANH11053
The epididymis is a long coiled tube that lies above and behind each testicle. The epididymis collects and transports sperm from the testis to the vas deferens (tubes that transport sperm to the urethra). An epididymal cyst is a cyst-like mass in the epididymis that contains clear fluid. Typically, epididymal cysts and spermatoceles do not cause symptoms. When discovered, the epididymal cyst is usually about the size of a pea and feels separate from the top of the testis. Spermatoceles typically arise from the head of the epididymis, and are felt on the top portion of the testicle. Epididymal cysts and spermatoceles are often incidental findings on testicular self-examination or routine physical examination. It is important that any mass noted in the scrotum be examined by a urologist in order to obtain an accurate diagnosis, especially a mass on the testicle itself. Our team in the Division of Urology will typically be able to confirm the diagnosis on physical exam. However, a scrotal ultrasound may also be used in order to rule out other conditions.
Total anomalous pulmonary venous return (TAPVR) is a rare congenital malformation in which pulmonary veins that return oxygen-rich blood from the lungs do not connect normally to the left atrium. Instead all four pulmonary veins drain abnormally to the right atrium. Heart models and animation were developed by the Cincinnati Children's Heart Institute in conjunction with Cincinnati Children's Critical Care Media Lab.
This video will cover, in detail, the motor, sensory, reflect components of a neurological examination.
This video is created for the UBC Medicine Neurology Clinical Skills curriculum as part of MEDD 419 FLEX projects.
Filmed, written, and directed by:
John Liu
Vincent Soh
Chris Calvin
Kashi (Siyoung) Lee
Kero (Yue) Yuen
Ge Shi
Doctor - Dr. Jason Valerio (Department of Neurology, UBC)
Supervised by:
Dr. Alex Henri-Bhargava (Department of Neurology, UBC)
Zac Rothman (UBC FOM Digital Solutions: Ed Tech)
Edited by:
Stephen Gillis
Produced by UBC FOM Digital Solutions EdTech team facilitates innovation by UBC Medicine learners and faculty.
Website: https://education.med.ubc.ca/
Subscribe: https://www.youtube.com/ubcmed....vid?sub_confirmation
UBCMLN Podcast Network: https://tinyurl.com/ubcmedicinelearningnetwork
----------------------------------------------------------------------------------------------------------------------------------------------------------
The Vancouver Fraser Medical Program and the Vancouver Academic Campus of the University of British Columbia are situated on the traditional territory of the Musqueam, Squamish and Tsleil-Waututh peoples.
The Southern Medical Program and the Okanagan Academic Campus of the University of British Columbia are situated on the territory of the Syilx Okanagan Nation.
The Northern Medical Program and the University of Northern BC are situated on the traditional territory of the Lheidli T’enneh, part of the Dakelh (Carrier) First Nations.
With respect the Lekwungen peoples on whose traditional territory the Island Medical Program and the University of Victoria stand and the Songhees, Esquimalt and WSÁNEĆ peoples whose historical relationships with the land continue to this day.
We acknowledge our traditional hosts and honour their welcome and graciousness to the students who seek knowledge here.
© UBC Faculty of Medicine
All rights reserved. Reproduction and distribution of this presentation without written permission from UBC Faculty of Medicine is strictly prohibited.
The primary functions of the liver are: Bile production and excretion. Excretion of bilirubin, cholesterol, hormones, and drugs. Metabolism of fats, proteins, and carbohydrates. Enzyme activation. Storage of glycogen, vitamins, and minerals. Synthesis of plasma proteins, such as albumin, and clotting factors.