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samer kareem
4,868 Views ยท 8 months ago

Hoover's sign of leg paresis is one of two signs named for Charles Franklin Hoover. It is a maneuver aimed to separate organic from non-organic paresis of the leg. The sign relies on the principle of synergistic contraction. ... Feeling this would indicate an organic cause of the paresis.

samer kareem
4,856 Views ยท 8 months ago

With bone marrow disease, there are problems with the stem cells or how they develop: In leukemia, a cancer of the blood, the bone marrow makes abnormal white blood cells. In aplastic anemia, the bone marrow doesn't make red blood cells. In myeloproliferative disorders, the bone marrow makes too many white blood cells.Nov 22, 2016

Scott
4,845 Views ยท 8 months ago

What is Myelomeningocele and how does it affect my baby? Myelomeningocele (MMC), one of the most severe forms of spina bifida, is a condition where the fetusโ€™ spinal cord fails to close during development. This happens between 20 and 28 days of gestation, often before a woman knows she is pregnant. Because the spinal cord does not close, many of the nerves are exposed, resulting in damage to the cord as the pregnancy continues. Spina bifida can impact the nervous system, bones and muscles, kidneys and bladder. The location on the spine where the undeveloped area occurs is called the level of the spina bifida. Because nerve damage at this site prevents function below that level, the higher the level, the greater the impact on normal development and function. The opening in the spinal cord also results in loss of the fluid surrounding the nervous system. This causes the brain to be positioned further down into the upper spinal column than normal, which is called an Arnold Chiari II malformation. When this happens, the normal flow of fluid out of the brain is obstructed, causing Hydrocephalus, an excess of cerebrospinal fluid within the brain. After birth, most children with Hydrocephalus need to have the extra fluid shunted out of the brain into the abdomen via a ventriculoperitoneal shunt. MMC affects about 1 in every 1,000 babies, and it ranges in severity. Some children, with mild cases very low on the spinal cord, can function nearly normally. More severe cases can cause leg weakness and paralysis, as well as Hydrocephalus, and the Arnold Chiari malformation. People with MMC often live long lives, especially if the condition is diagnosed and treated early. How is Myelomeningocele diagnosed? At about 15 weeks gestation, a blood test measuring the levels of alpha-fetoprotein can show the physician that there might be a problem. After that, an ultrasound is performed to detect the MMC, but also to detect the conditions that can result from it, such as Hydrocephalus, the Chiari malformation, and any problems with the lower extremities. In all cases, we perform a fetal MRI to gain more detailed information and we perform a fetal echocardiogram (echo) to rule out any problem with the heart. What is the prenatal surgery for Myelomeningocele, and how does it differ from postnatal surgery? Until recently, the only way to treat MMC was surgery after birth. But, now that the nine-year long Management of Myelomeningocele (MOMS) trial has been completed, we know that repairing the MMC before birth, in the womb, can be beneficial to the babyโ€™s outcome. The SSM Health St. Louis Fetal Care Institute has one of the fastest growing fetal MMC repair programs in the country. The results of the trial found that prenatal treatment helps reduce, or even eliminate, the major complications of MMCโ€”the Hydrocephalus, the Chiari malformation, and the lack of movement in the lower extremities. Diagnosis and repair of the MMC before birth can make a big difference in the way the baby develops. The MOMS trial showed that babies treated in the womb need half the VP shunts, often have reversal of the Arnold-Chiari malformation, and are more likely to walk, at least until 30 months. Long-term follow up data of children treated with prenatal surgery is still being collected, so the benefit beyond 30 months is not fully known. The operation for open fetal surgery for MMC repair involves making a small opening in the uterus, then closing the spinal cord opening just like after birth. The womb is repaired and the mother is in the hospital for four to five days. The surgery is performed between 19 and 26 weeks of the pregnancy. Mothers usually stay locally for about two weeks so that we can monitor the pregnancy. After this, they can return home for delivery. Because of the scar caused by the surgery on the uterus, the baby and all future babies have to be delivered by Cesarean birth. The benefit to the fetal repair is several fold. First, the spine is protected after the fetal repair. The spine can no longer be damaged during the pregnancy and after. Second, the leakage of CSF is stopped. We think that this causes the brain to rise back into the skull, allowing the fluid within the brain to drain normally and preventing the development of Hydrocephalus. As with any prenatal surgery, there are risks to both the mother and the baby. Our team at the Fetal Care Institute will discuss all of the risks and benefits of the surgery with you and your family, so you can make the best decision for your baby. The standard care for babies with spina bifida is to repair the defect after birth. The neurosurgeon closes the opening of the spinal cord, and restores the muscle, skin, and tissue to cover it. Unfortunately, postnatal surgery cannot restore any of the function that has been lost during the pregnancy, and the damage from Hydrocephalus, the Chiari malformation, and/or loss of movement are then permanent. How will Myelomeningocele impact my baby after birth? MMC is a disease affecting many parts of the body. There can be a major impact on a babyโ€™s leg and hip movement, depending on the level of the defect. Problems with Hydrocephalus and the Arnold-Chiari malformation need to be followed carefully. Because the spinal cord also affects urine and bowel function, these bodily functions often need to be managed to prevent complications. Optimally, babies need to be followed in a spina bifida clinic, where a team of specialists work together to help determine the best course of treatment. At SSM Health Cardinal Glennon Childrenโ€™s Hospital, a long established spina bifida clinic is available for follow up care after birth. This is a very specialized clinic in which many doctors of different specialties and nurses are dedicated to the care of these babies.

samer kareem
4,843 Views ยท 8 months ago

One of the most common parasites to infect human beings is the yeast-like Blastocystis hominis, a single-celled parasitic organism that causes abdominal cramping, bloating, gas, and sometimes anal itching. Other common parasites are: Tapeworms, which can grow as long as 60 feet while living in the human intestines.

Histology
4,842 Views ยท 8 months ago

Histology of Seminal Vescicles

samer kareem
4,840 Views ยท 8 months ago

Funny School Exam

samer kareem
4,839 Views ยท 8 months ago

Symptoms of Acute Angle-Closure Glaucoma Hazy or blurred vision. The appearance of rainbow-colored circles around bright lights. Severe eye and head pain. Nausea or vomiting (accompanying severe eye pain) Sudden sight loss.

Landging
4,837 Views ยท 8 months ago

http://www.landging.com/breast-enlargement-animation.html
Breast enlargement product animation designed for TV shopping.

Histology
4,835 Views ยท 8 months ago

Histology of Urinary Bladder

thenyac
4,833 Views ยท 8 months ago

Ultherapy was designed by Ulthera to deliver intense focused ultrasound energy deep to the dermal tissues under the epidermis, without injury to the surface of the skin, to lift and tighten facial tissues. It has been used to tighten off-the-face areas too, without surgery and without down time. In just about one hour an entire face can be treated. Medication makes the procedure less uncomfortable.

samer kareem
4,826 Views ยท 8 months ago

systemic inflammatory response syndrome (SIRS). This is most likely secondary to sepsis from an infection of the patient's Hickman catheter given the associated skin findings, although culture results are needed to confirm this diagnosis. The patient's low blood pressure is likely secondary to developing septic shock, and he has already appropriately been treated with intravenous fluids. Catheter removal is indicated given his hemodynamic instability. Catheter removal is also indicated in patients with severe sepsis with organ hypoperfusion, endocarditis, suppurative thrombophlebitis, or persistent bacteremia after 72 hours of appropriate antibiotic therapy. Long term catheters should also be removed if culture results are positive for S. aureus, P. aeruginosa, fungi, or mycobacteria.

samer kareem
4,824 Views ยท 8 months ago

This video explains briefly the use of anti-tnf alpha in therapy.

samer kareem
4,818 Views ยท 8 months ago

Learn what tests can be used to screen and diagnose syphilis as well as how to treat and prevent the infection.

samer kareem
4,818 Views ยท 8 months ago

Teratomas are tumors made up of tissues, such as hair, muscle, and bone. They occur most often in the ovaries in women, and the testicles in men. They may be benign or malignant. Symptoms vary depending on the location. A painful lump or swelling may be apparent. Some babies have a mass that can be seen on an ultrasound before birth. Treatment often involves surgery. In rare cases when a teratoma is malignant, chemotherapy or radiation may be needed.

samer kareem
4,814 Views ยท 8 months ago

Hemoglobin is the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs. Hemoglobin is made up of four protein molecules (globulin chains) that are connected together.

samer kareem
4,809 Views ยท 8 months ago

Tibial Bone Transport Over an Intramedullary Nail Using Cable and Pulleys

samer kareem
4,802 Views ยท 8 months ago

samer kareem
4,801 Views ยท 8 months ago

A Cesarean section (C-section) is surgery to deliver a baby. The baby is taken out through the mother's abdomen. In the United States, almost one in three women has their babies this way. Some C-sections are planned, but many are done when unexpected problems happen during delivery. Reasons for a C-section may include

samer kareem
4,800 Views ยท 8 months ago

During in vitro fertilization (IVF), eggs and sperm are brought together in a laboratory glass dish to allow the sperm to fertilize an egg. With IVF, you can use any combination of your own eggs and sperm and donor eggs and sperm. After IVF, one or more fertilized eggs are placed in the uterus .




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