CRT is a clinically proven treatment option for some individuals with heart failure. A CRT device sends small electrical impulses to both lower chambers of the heart to help them beat together in a more synchronized pattern. This may improve the heart’s ability to pump blood and oxygen to your body. A CRT system is made up of two parts. The heart device, which is actually a tiny computer, plus a battery, contained in a small titanium metal case that is about the size of a pocket watch. Insulated wires, called leads, that are implanted to carry information signals from your heart to the heart device and to carry electrical impulses to your heart After the device system is implanted, an external computer, called a programmer, located at your doctor's office or clinic can be used to program the heart device and retrieve information from your heart device that will assist your doctor in your heart failure treatment. Your doctor will schedule periodic monitoring which may be done remotely if physician deems appropriate

Examination of the eye by an ophthalmoscope from the USMLE collection

http://www.landging.com/expo2010_case_2.html
Airplane perspective animation, 3d aviation animation, developed for Expo 2010 Shanghai Aviation Pavilion.

By 5 weeks' gestational age, the wolffian (ie, mesonephric) and the müllerian (ie, paramesonephric) ducts have formed from intermediate mesoderm. In the absence of testosterone and müllerian inhibitory substance, the mesonephric ducts regress and the paramesonephric ducts continue to form the female reproductive structures with fusion of the distal portions of the paramesonephric ducts to give rise to the uterine fundus, the cervix, and the upper vagina. These developmental changes are genetically controlled in large part by a series of complex transcriptional signaling pathways including Wnt signaling, Hox genes, and many others. In a female fetus, the wolffian duct disappears except for nonfunctional vestiges. The müllerian duct is lined by a columnar epithelium. This includes the entire cervix and upper vagina to the vaginal plate (ie, sinovaginal bulb). Through a process of squamous metaplasia, the vagina and a variable portion of the ectocervix become covered with squamous epithelium. This process is complete by the fifth month of pregnancy.

Chickenpox (varicella) is a viral infection that causes an itchy rash with small, fluid-filled blisters. Chickenpox is highly contagious to people who haven't had the disease or been vaccinated against it. Before routine chickenpox vaccination, virtually all people had been infected by the time they reached adulthood, sometimes with serious complications. Today, the number of cases and hospitalizations is down dramatically. For most people, chickenpox is a mild disease. Still, it's better to get vaccinated. The chickenpox vaccine is a safe, effective way to prevent chickenpox and its possible complications.

thyroid gland removal is the standard procedure for thyroid cancer treatment.
Total removal of the gland is therapeutic in most cases of thyroid cancer.

Human immunodeficiency virus infection / acquired immunodeficiency syndrome (HIV/AIDS) is a disease of the human immune system caused by the human immunodeficiency virus (HIV).[1] During the initial infection a person may experience a brief period of influenza-like illness. This is typically followed by a prolonged period without symptoms. As the illness progresses it interferes more and more with the immune system, making people much more likely to get infections, including opportunistic infections, and tumors that do not usually affect people with working immune systems.
HIV is transmitted primarily via unprotected sexual intercourse (including anal and even oral sex), contaminated blood transfusions and hypodermic needles, and from mother to child during pregnancy, delivery, or breastfeeding.[2] Some bodily fluids, such as saliva and tears, do not transmit HIV.[3] Prevention of HIV infection, primarily through safe sex and needle-exchange programs, is a key strategy to control the spread of the disease. There is no cure or vaccine; however, antiretroviral treatment can slow the course of the disease and may lead to a near-normal life expectancy. While antiretroviral treatment reduces the risk of death and complications from the disease, these medications are expensive and may be associated with side effects.
Genetic research indicates that HIV originated in West-central Africa during the early twentieth century.[4] AIDS was first recognized by the Centers for Disease Control and Prevention (CDC) in 1981 and its cause—HIV infection—was identified in the early part of the decade.[5] Since its discovery, AIDS has caused nearly 30 million deaths (as of 2009).[6] As of 2010, approximately 34 million people have contracted HIV globally.[7] AIDS is considered a pandemic—a disease outbreak which is present over a large area and is actively spreading.[8]
HIV/AIDS has had a great impact on society, both as an illness and as a source of discrimination. The disease also has significant economic impacts. There are many misconceptions about HIV/AIDS such as the belief that it can be transmitted by casual non-sexual contact. The disease has also become subject to many controversies involving religion.

A technique for reducing an inferior shoulder dislocation. watch to learn more

Electrical Cardioversion

Spinal anesthesia is done in a similar way. But the anesthetic medicine is injected using a much smaller needle, directly into the cerebrospinal fluid that surrounds the spinal cord. The area where the needle will be inserted is first numbed with a local anesthetic. Then the needle is guided into the spinal canal, and the anesthetic is injected. This is usually done without the use of a catheter. Spinal anesthesia numbs the body below and sometimes above the site of the injection. The person may not be able to move his or her legs until the anesthetic wears off.

the technique of insertion of a tube into the pericardial sac to remove fluid or blood, improving cardiac function

we use a single, tapered PDT dilator and kit . All the equipment and supplies listed must be present at the bed-side, because there is no time to go looking for supplies if an airway emergency occurs during the procedure. Two teams are used simultaneously. One team manages the endo-tracheal tube, and the other manages the placement of the tracheostomy tube

We noticed a blue-line in the endometrial cavity between the tubal ostiae after injection of methylene blue (to determine tubal patency). We have seen this “blue-line” even in cases with normal or unicornuate uterus and/or in cases with patent or occluded fallopian tubes(Picture 1). So the be...st explanation of this finding may be the high speed jet or turbulence of dye in the top or the deepest part of endometrial cavity. We simply postulated that the zone which holds the methylene blue is the zone where the flashing dye strikes vertically over there and the dye penatrates into the endometrial epithelium and glands. We used this line as a guide that shows midline during operative hysteroscopy ( especially in cases with septate uterus) and we don’t ecxatly know reason why it occurs. It is necessary to perform histologic, molecular or clinical studies on this subject. It may have a multifactorial aetiology. We performed a prospective case control study and will publish it soon after when we get the results.

Prompted by the hormone prolactin, the alveoli take proteins, sugars, and fat from your blood supply and make breast milk. A network of cells surrounding the alveoli squeeze the glands and push the milk out into the ductules, which lead to a bigger duct.

DermaClinix, The world's leading hair Transplantation and aesthetic dermatology clinic that offers the best hair transplant in Chennai. The clinic is fully equipped with infrastructure and the ultra-modern devices in the field of cosmetology and hair restoration. At DermaClinx Chennai offers a number of treatments including chemical peels for acne, pigmentation treatment, glow facials, hair growth therapies and many more. Hair transplant Doctors at DermaClinix Nungambakkam, Chennai have more than 12 years of experience in this field & holds the International accreditations and member of ISHRS (USA). Visit us today to know more about the hair growth treatments. https://www.dermatologistchennai.in/hair-transplant-surgeon-in-chennai.php Address: No:19 1st Floor TMA Tower Dr.Thirumurthy Nagar main road, Nungambakkam, Chennai, Tamil Nadu 600034 Call us at - +918939636222, +91 89398 81919 For more: Website - https://www.hairtransplantchennai.org/ Email - enquiry@hairtransplantchennai.org

very day, specialists deliver high-quality care in 68 disciplines in health centres across Canada. Yet many Canadians know very little about what many specialists actually do, and the important role these disciplines play in Canada’s health care system. This video provides a brief high-level overview of what Internal Medicine Specialists actually do, their training, and their role in Canadian health care.

Colorectal cancer (also known as colon cancer, rectal cancer or bowel cancer) is the development of cancer in the colon or rectum (parts of the large intestine). It is due to the abnormal growth of cells that have the ability to invade or spread to other parts of the body. People with HNPCC tend to develop colon cancer before age 50. Familial adenomatous polyposis (FAP). FAP is a rare disorder that causes you to develop thousands of polyps in the lining of your colon and rectum. People with untreated FAP have a greatly increased risk of developing colon cancer before age 40.

Do I Need to See My Doctor for Menstrual Cramps? || Common gynaecological problems in women It's perfectly normal to experience mild cramps during your period, and the good news is that these cramps can usually be eased with simple therapies like a heating pad or an over-the-counter pain reliever. However, some women's menstrual cramps may not feel better with these basic remedies. If this is the case for you, making an appointment with your doctor is important. This way you not only get the pain relief you deserve but also ensure there is nothing else going on.

"How to Perform a Transthoracic Echocardiographic Study Volume 1: Transducer Position and Anatomy" is an instructional video, offered by ASE, and can be used for professional lectures and offers an interactive section for flexible presentations. The video includes an overview of relevant cardiac anatomy, a step by step presentation of all Transducer Positions, and the sequential transducer movements to acquire standard echo images needed to complete a Transthoracic Echocardiographic Study.

An appendectomy (sometimes called appendisectomy or appendicectomy) is the surgical removal of the vermiform appendix. This procedure is normally performed as an emergency procedure, when the patient is suffering from acute appendicitis.