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Patients are generally placed in a supine position with the head in an extended position. As noted above, Gardner-Wells tongs can be used for additional cervical traction. The hands can also be tied downward to increase the operative exposure. Once the surgical site is properly prepared with cleansing material, the appropriate surgical level is identified with intraoperative radiographs. A scalpel is used to make a linear longitudinal incision just medial to the body of the sternocleidomastoid muscle. The incision is made long enough to include at least 2 vertebral levels if a 1-level discectomy is being performed. Alternatively, transverse skin incisions over the targeted vertebral level can also be performed. The platysmal muscle is identified and incised. The platysmal incision can be extended if a multilevel decompression is the surgical aim. Extensive subplatysmal dissection is performed to reduce retraction injury.
Gallstone ileus is an important, though infrequent, cause of mechanical bowel obstruction, affecting older adult patients who often have other significant medical conditions. It is caused by impaction of a gallstone in the ileum after being passed through a biliary-enteric fistula. The diagnosis is often delayed since symptoms may be intermittent and investigations fail to identify the cause of the obstruction. The mainstay of treatment is removal of the obstructing stone after resuscitating the patient. Gallstone ileus continues to be associated with relatively high rates of morbidity and mortality.
To facilitate the delivery of fluids during labour, obstetric anaesthetists from Coventry designed a triple IV peripheral connector with a central high-flow anti-reflux valve. This connector, now rightly known as the Coventry valve, can be used for all theatre settings and is especially useful in obstetrics, ICU, HDU and orthopaedics. More details on www.mediplus.co.uk
Cholelithiasis involves the presence of gallstones (see the image below), which are concretions that form in the biliary tract, usually in the gallbladder. Choledocholithiasis refers to the presence of 1 or more gallstones in the common bile duct (CBD).
This video: Blisters caused by friction or minor burns do not require a doctor's care. New skin will form underneath the affected area and the fluid is simply absorbed. Do not puncture a blister unless it is large, painful, or likely to be further irritated. The fluid-filled blister keeps the underlying skin clean, which prevents infection and promotes healing.
ow does a perforation of the eardrum occur? There are many ways an eardrum perforation can occur. An infection behind the eardrum in the middle ear may cause a rupture of the eardrum. Trauma to the ear may result from an object entering the ear canal and puncturing the eardrum. A traumatic blow to the ear with a cupped hand can rupture the eardrum. Hot welding slag can burn a hole through the eardrum. After a ventilation tube has been extruded or is removed, the opening usually closes; in some cases a permanent opening of the eardrum may occur. Chronic ear problems such as deep retraction pockets and cholesteatoma can weaken and erode the eardrum, resulting in a defect or perforation.
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This video, created by Nucleus Medical Media, shows the function of white blood cells in normal immunity. It also portrays how the human immunodeficiency virus (HIV) affects the immune system and causes acquired immunodeficiency syndrome (AIDS). Common types of antiretroviral medications used to treat HIV and AIDS are also shown.
#HIV #AIDS #HumanImmunodeficiencyVirus
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Elizabeth Stephens, MD joined the Department of Cardiovascular Surgery at Mayo Clinic Rochester, Minnesota in 2019. To learn more about Dr. Stephens’ practice: https://www.mayoclinic.org/bio....graphies/stephens-el
Elizabeth H. Stephens, M.D., Ph.D., is an Assistant Professor of Surgery in Cardiovascular Surgery specializing in congenital cardiac surgery. She received her medical degree from Baylor College of Medicine and Ph.D in Bioengineering from Rice University focusing on tissue engineering heart valves. Her adult cardiothoracic training was completed at Columbia University and congenital training at Lurie Children's Hospital in Chicago. Her clinical areas of expertise include the treatment of:
• Neonates, infants, and children with complex congenital heart disease
• Adult patients with congenital heart disease, including patients previously repaired
• Valve disease, including Ebstein's anomaly
• Pediatric patients with heart failure, including mechanical circulatory support and heart transplantation
• Patients with vascular rings and tracheal stenosis
In addition to her clinical areas of expertise, Dr. Stephens is active in outcomes research relative to congenital heart disease and is extensively published on various cardiac surgery conditions. She has a particular interest in education, including serving on national committees and mentoring trainees of all levels.
A wart is a skin growth caused by some types of the virus called the human papillomavirus (HPV). HPV infects the top layer of skin, usually entering the body in an area of broken skin. The virus causes the top layer of skin to grow rapidly, forming a wart. Most warts go away on their own within months or years.