The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible. The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy.

Chronic Myeloid Leukemia Diagnosis and Treatment

Almost all the cells in your body were produced by mitosis. The only exception is sperm or eggs which are produced by a different type of cell division called meiosis. During fertilization the sperm and egg unite to form a single cell called the zygote which contains chromosomes from both the sperm and egg.

-Hypopigmented spots, in combination with a family history of bilateral deafness, strongly suggest neurofibromatosis type 2 (NF-2), an autosomal-dominant disorder. The spots described actually represent cafe-au-lait spots that are usually hypopigmented (unlike the hyperpigmented cafe-au-lait spots found in NF-1 ). Deafness is caused by bilateral acoustic neuromas, a characteristic neurologic manifestation of the syndrome.

Asbestosis (as-bes-TOE-sis) is a chronic lung disease caused by inhaling asbestos fibers. Prolonged exposure to these fibers can cause lung tissue scarring and shortness of breath. Asbestosis symptoms can range from mild to severe, and usually don't appear until many years after continued exposure. Asbestos is a natural mineral product that's resistant to heat and corrosion. It was used extensively in the past in products such as insulation, cement and some floor tiles. Most people with asbestosis acquired it on the job before the federal government began regulating the use of asbestos and asbestos products in the 1970s. Today, its handling is strictly regulated. Acquiring asbestosis is extremely unlikely if you follow your employer's safety procedures. Treatment focuses on relieving your symptoms.

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MEDICAL ANIMATION TRANSCRIPT:

Laparoscopic Ovarian Drilling (LOD)

A surgical treatment for women with PCOS
Women with PCOS usually have ovaries with a thick outer layer.
Ovarian drilling works by breaking through the thick outer surface and lowering the amount of testosterone made by the ovaries

A small incision is made in the abdomen.
Carbon dioxide gas is used to inflate the abdomen.
Very small holes are made in the ovaries.
Ovarian drilling can help restore ovulation and improve the chances of becoming pregnant.
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*TimeStamps*
0:00 Introduction
0:15 Procedure of Laparoscopic Ovarian Drilling (LOD)
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Let us watch this 3D video to understand what is Laparoscopic Ovarian Drilling for PCOS, why it is done, how well it works, and what to expect.
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A thin polymer film that seals surgical wounds could make sutures a relic of medical history.

Measuring just 50 microns, the film is placed on a surgical wound and exposed to an infrared laser, which heats the film just enough to meld it and the tissue, thus perfectly sealing the wound. Known as Surgilux, the device's raw material is extracted from crab shells and has Food and Drug Administration approval in the US

Testicular torsion occurs when a testicle rotates, twisting the spermatic cord that brings blood to the scrotum. The reduced blood flow causes sudden and often severe pain and swelling. Testicular torsion is most common between ages 12 and 16, but it can occur at any age, even before birth. Testicular torsion usually requires emergency surgery. If treated quickly, the testicle can usually be saved. But when blood flow has been cut off for too long, a testicle might become so badly damaged that it has to be removed.

You get motion sickness when one part of your balance-sensing system (your inner ear , eyes, and sensory nerves) senses that your body is moving, but the other parts don't. For example, if you are in the cabin of a moving ship, your inner ear may sense the motion of waves, but your eyes don't see any movement.

Brief animation demonstrating emergency surgical cricothyrotomy; created with Lightwave 9.3

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

This video contains five segments with best practices on how to prevent infection in patients with catheters, fistulas or grafts. It also includes segments on hand hygiene and glove use and dialysis station disinfection. The video is intended to be used by outpatient hemodialysis facilities as an educational tool to help remind their frontline staff, including technicians and nurses, about infection prevention measures. It can be used as an orientation video for new staff and as an annual in-service training tool to remind staff of proper protocols.

See the Spanish captioned version at: http://youtu.be/L5ypnOvOFMQ

Comments on this video are allowed in accordance with our comment policy: http://www.cdc.gov/SocialMedia..../Tools/CommentPolicy

This video can also be viewed at http://streaming.cdc.gov/vod.p....hp?id=dc66d96228817d

What is Wallenberg syndrome? Wallenberg syndrome is a rare condition in which an infarction, or stroke, occurs in the lateral medulla. The lateral medulla is a part of the brain stem. Oxygenated blood doesn’t get to this part of the brain when the arteries that lead to it are blocked. A stroke can occur due to this blockage. This condition is also sometimes called lateral medullary infarction. The cause of the syndrome isn’t always clear, however.

TUMOR FRONTO ORBITARIO NEUROCIRUGÍA

COPD (chronic obstructive pulmonary disease) makes it hard for you to breathe. The two main types are chronic bronchitis and emphysema. The main cause of COPD is long-term exposure to substances that irritate and damage the lungs. This is usually cigarette smoke. Air pollution, chemical fumes, or dust can also cause it. At first, COPD may cause no symptoms or only mild symptoms. As the disease gets worse, symptoms usually become more severe. They include A cough that produces a lot of mucus Shortness of breath, especially with physical activity Wheezing Chest tightness Doctors use lung function tests, imaging tests, and blood tests to diagnose COPD. There is no cure. Treatments may relieve symptoms. They include medicines, oxygen therapy, surgery, or a lung transplant. Quitting smoking is the most important step you can take to treat COPD.

Arterial Blood Gas Sampling ABG

As the liver becomes more severely damaged, more obvious and serious symptoms can develop, such as: yellowing of the skin and whites of the eyes (jaundice) swelling in the legs, ankles and feet, due to a build-up of fluid (oedema) swelling in your abdomen, due to a build-up of fluid known as ascites.

Waardenburg syndrome is a group of genetic conditions that can cause hearing loss and changes in coloring (pigmentation) of the hair, skin, and eyes. Although most people with Waardenburg syndrome have normal hearing, moderate to profound hearing loss can occur in one or both ears. The hearing loss is present from birth (congenital). People with this condition often have very pale blue eyes or different colored eyes, such as one blue eye and one brown eye. Sometimes one eye has segments of two different colors. Distinctive hair coloring (such as a patch of white hair or hair that prematurely turns gray) is another common sign of the condition. The features of Waardenburg syndrome vary among affected individuals, even among people in the same family.

A silent heart attack is a heart attack that has few, if any, symptoms. You may have never had any symptoms to warn you that you've developed a heart problem, such as chest pain or shortness of breath. Having diabetes or prediabetes puts you at increased risk for heart disease and stroke. You can lower your risk by keeping your blood glucose (also called blood sugar), blood pressure, and blood cholesterol close to the recommended target numbersthe levels suggested by diabetes experts for good health. (

Hyperparathyroidism is an excess of parathyroid hormone in the bloodstream due to overactivity of one or more of the body's four parathyroid glands. These glands are about the size of a grain of rice and are located in your neck. The parathyroid glands produce parathyroid hormone, which helps maintain an appropriate balance of calcium in the bloodstream and in tissues that depend on calcium for proper functioning. Two types of hyperparathyroidism exist. In primary hyperparathyroidism, an enlargement of one or more of the parathyroid glands causes overproduction of the hormone, resulting in high levels of calcium in the blood (hypercalcemia), which can cause a variety of health problems. Surgery is the most common treatment for primary hyperparathyroidism. Secondary hyperparathyroidism occurs as a result of another disease that initially causes low levels of calcium in the body and over time, increased parathyroid hormone levels occur.