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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.
Warning: This video contains actual surgical footage, which may not be suitable for all viewers.
To learn more about coronary artery bypass surgery, please visit http://cle.clinic/3b7dqpE
Cardiothoracic surgeon Faisal Bakaeen, MD, discusses how he does single and bilateral internal mammary arteries, and the benefits of doing this type of coronary artery bypass.
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Have you ever wondered what happens to a painkiller, like ibuprofen, after you swallow it? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to go in the first place? Céline Valéry explains how your body processes medicine.
Lesson by Céline Valéry, animation by Daniel Gray.
A circulatory anastomosis is a connection (an anastomosis) between two blood vessels, such as between arteries (arterio-arterial anastomosis), between veins (veno-venous anastomosis) or between an artery and a vein (arterio-venous anastomosis). An end artery (or terminal artery) is an artery that is the only supply of oxygenated blood to a portion of tissue. Examples of an end artery include the splenic artery that supplies the spleen and the renal artery that supplies the kidneys.
The Skin Cancer Foundation, founded in 1979 by dermatologist and Mohs surgeon Perry Robins, MD, is a global organization solely devoted to educating the public and medical community about skin cancer prevention, early detection, and treatment
A peritonsillar abscess forms in the tissues of the throat next to one of the tonsils. An abscess is a collection of pus that forms near an area of infected skin or other soft tissue. The abscess can cause pain, swelling, and, if severe, blockage of the throat. If the throat is blocked, swallowing, speaking, and even breathing become difficult. When an infection of the tonsils (known as tonsillitis) spreads and causes infection in the soft tissues, a peritonsillar abscess may result. Peritonsillar abscesses are generally uncommon. When they do occur they are more likely among young adults, adolescents, and older children.
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Arterial line placement is a common procedure in various critical care settings. Intra-arterial blood pressure (BP) measurement is more accurate than measurement of BP by noninvasive means, especially in the critically ill. [1] Intra-arterial BP management permits the rapid recognition of BP changes that is vital for patients on continuous infusions of vasoactive drugs. Arterial cannulation also allows repeated arterial blood gas samples to be drawn without injury to the patient.
The pelvic diaphragm is composed of muscle fibers of the levator ani, the coccygeus, and associated connective tissue which span the area underneath the pelvis. The pelvic diaphragm is a muscular partition formed by the levatores ani and coccygei, with which may be included the parietal pelvic fascia on their upper and lower aspects. The pelvic floor separates the pelvic cavity above from the perineal region (including perineum) below.
The right and left levator ani lie almost horizontally in the floor of the pelvis, separated by a narrow gap that transmits the urethra, vagina, and anal canal. The levator ani is usually considered in three parts: pubococcygeus, puborectalis, and iliococcygeus. The pubococcygeus, the main part of the levator, runs backward from the body of the pubis toward the coccyx and may be damaged during parturition. Some fibers are inserted into the prostate, urethra, and vagina. The right and left puborectalis unite behind the anorectal junction to form a muscular sling . Some regard them as a part of the sphincter ani externus. The iliococcygeus, the most posterior part of the levator ani, is often poorly developed.
The coccygeus, situated behind the levator ani and frequently tendinous as much as muscular, extends from the ischial spine to the lateral margin of the sacrum and coccyx.
The pelvic cavity of the true pelvis has the pelvic floor as its inferior border (and the pelvic brim as its superior border.) The perineum has the pelvic floor as its superior border.
Some sources do not consider “pelvic floor” and “pelvic diaphragm” to be identical, with the “diaphragm” consisting of only the levator ani and coccygeus, while the “floor” also includes the perineal membrane and deep perineal pouch.
Hepatitis B is a serious disease caused by a virus that attacks the liver. The virus, which is called hepatitis B virus (HBV), can cause lifelong infection, cirrhosis (scarring) of the liver, liver cancer, liver failure, and death. Hepatitis B vaccine is available for all age groups to prevent HBV infection.