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A Bone scan or bone scintigraphy is a nuclear scanning test to find certain abnormalities in bone which are triggering the bone's attempts to heal. It is primarily used to help diagnose a number of conditions relating to bones, including: cancer of the bone or cancers that have spread (metastasized) to the bone, locating some sources of bone inflammation (e.g. bone pain such as lower back pain due to a fracture), the diagnosis of fractures that may not be visible in traditional X-ray images, and the detection of damage to bones due to certain infections and other problems.
Nuclear medicine bone scans are one of a number of methods of bone imaging, all of which are used to visually detect bone abnormalities. Such imaging studies include magnetic resonance imaging (MRI), X-ray computed tomography (CT) and in the case of 'bone scans' nuclear medicine. However, a nuclear bone scan is a functional test, which means it measures an aspect of bone metabolism, which most other imaging techniques cannot. The nuclear bone scan competes with the FDG-PET scan in seeing abnormal metabolism in bones, but it is considerably less expensive.
Nuclear bone scans are not to be confused with the completely different test often termed a "bone density scan," DEXA or DXA, which is a low exposure X-ray test measuring bone density to look for osteoporosis and other diseases where bones lose mass, without any bone re-building activity. The nuclear medicine scan technique is sensitive to areas of unusual bone re-building activity because the radiopharmaceutical is taken up by osteoblast cells which build bone. The technique therefore is sensitive to fractures and bone reaction to infections and bone tumors, including tumor metastases to bones, because all these pathologies trigger bone osteoblast activity. The bone scan is not sensitive to osteoporosis or multiple myeloma in bones, and therefore other techniques must be used to assess bone abnormalities from these diseases.
http://www.rhinoplastyspecialist.com
One of the most common of all plastic surgery procedures is rhinoplasty, also commonly known as a nose job. Rhinoplasty surgery can serve dual purposes, creating a more aesthetically pleasing look and also helping breathing conditions, such as a deviated septum.. Whether it's because of a genetic defect or some kind of injury, many people have trouble breathing through their nose. A rhinoplasty can counteract this, clearing the airway so you can breathe freely. It can even repair a deviated septum, straightening it and removing any blockages in the airway.
Perfecting surgery with this three-dimensional structure (the nose) takes years to master and continues to improve. Little did we know that rhinoplasty maneuvers that were used three years ago could cause disastrous results today. Rhinoplasty surgery is forever evolving! My fellowship director, J. Regan Thomas, MD, told me something that Iโll never forget โ โyou havenโt learned anything about rhinoplasty until youโve performed at least a thousand procedures and followed them for many yearsโ. This statement epitomizes why fellowships are so valuable. Some of the needed experience and potential pitfalls are circumvented by first hand observing and learning the analysis, judgment, techniques, complication management and most importantly, results from a seasoned rhinoplasty surgeon. This is why I super-specialized in rhinoplasty surgery during my fellowship in Facial Plastic & Reconstructive Surgery. The training catapults you years ahead of many other surgeons that arenโt fortunate to have post-graduate training. Many cosmetic surgeons are taught that aggressive cartilage removal is a procedure of the past. Todayโs concept is โless is moreโ. Less cartilage excision, cartilage repositioning, camouflage techniques, structural grafting and suturing techniques are being taught in most rhinoplasty courses and at our national meetings.
http://www.rhinoplastyspecialist.com
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USMLE Step 2 CS - Hemetemesis This is just preview video. To get full access please visit our website : www.usmletutoring.com
RHINOPLASTY IN QATAR
This video is showing INDUSTRY PROVIDES SINCE DECADES JUST MASS-PRODUCED METAL SCREWS OR ZYLINDERS WHICH DO NOT REPRESENT THE NATURAL DENTAL ROOT NEITHER IN FORM NOR COLOR. THEREFORE THE PATIENT HAS OFTEN TO UNDERGO A SERIES OF STRAINING AND COSTLY OPERATIONS WHEN IMMEDIATE IMPLANTOLOGY IS PERFORMED. IN CONTRAST TO THIS STONE AGE METHOD YOUR DENTAL ROOT IS MILLED (CAD/CAM TECHNOLOGY) IN ZIRCONIA AND SEATED IN JUST 2 MINUTES , NO DRILLING, NO AUGMENTATION, NO MEMBRANES, ABSOLUTE FLAPLESS, NO 3D PLANNING, NO CAD/CAM SPLINTS OR GUIDED SURGERY ARE REQUIRED! EASY AND CONSEQUENTIAL SYSTEM. PLEASE NO MORE INCONGRUOUS AND UGLY SILVER-COLORED TITANIUM IMPLANTS IN TIME CONSUMING, PAINFUL AND COSTLY PROCEDURES. IT`S HIGH TIME TO RESPECT THE ANATOMY NOT ALTER IT BY DRILLING AND AUGMENTATION. BIOIMPLANT
This clip shows the adenoids as seen endoscopically. You can also see the clefts of the adenoids clearly demonstrated.
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