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How Does a Bone Heal? All broken bones go through the same healing process. This is true whether a bone has been cut as part of a surgical procedure or fractured through an injury. The bone healing process has three overlapping stages: inflammation, bone production and bone remodeling. Inflammation starts immediately after the bone is fractured and lasts for several days. When the bone is fractured, there is bleeding into the area, leading to inflammation and clotting of blood at the fracture site. This provides the initial structural stability and framework for producing new bone. Diagram of inflammation in a fractured bone Bone production begins when the clotted blood formed by inflammation is replaced with fibrous tissue and cartilage (known as soft callus). As healing progresses, the soft callus is replaced with hard bone (known as hard callus), which is visible on x-rays several weeks after the fracture. Bone remodeling, the final phase of bone healing, goes on for several months. In remodeling, bone continues to form and becomes compact, returning to its original shape. In addition, blood circulation in the area improves. Once adequate bone healing has occurred, weightbearing (such as standing or walking) encourages bone remodeling.
A stye (also called a hordeolum) is a small, red, painful lump that grows from the base of your eyelash or under the eyelid. Most styes are caused by a bacterial infection. There are two kinds of styes: External hordeolum: A stye that begins at the base of your eyelash. Most are caused by an infection in the hair follicle. It might look like a pimple. Internal hordeolum: A stye inside your eyelid. Most are caused by an infection in an oil-producing gland in your eyelid.
Function and Anatomy:
Hinge type joint formed by the articulation of the Ulna and Radius (bones of the forearm), and Humerus (upper arm). Full extension is equal to 0 degrees, full flexion to ~ 150 degrees. Maximum supination (turning hand palm up so that it can hold a bowl of "soup") and pronation (palm down) are both 90 degrees
What goes into providing anesthesia for cardiac surgery where a patient's heart is completely arrested? In this video, I take you into the operating room during a surgery and talk with Dr. Benji Salter, program director for Mt. Sinai Hospital's cardiothoracic anesthesiology fellowship program.
While no patient information is shown in this video, the patient did provide written consent for filming to occur during surgery. Permission was also obtained from Mount Sinai Hospital's Department of Anesthesiology as well as the hospital's Press Office.
Chapters
0:00 Start
0:44 Surgery background
1:40 Case preparation
2:45 Anesthesia equipment
6:21 Echocardiography
7:16 Preparing for bypass
8:34 Stopping the heart
9:06 Fellowship
10:46 Why cardiac anesthesia?
11:52 Coming off of bypass
13:06 Post-op recovery
The information in this video is not intended nor implied to be a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace a consultation with your own doctor/health professional.
#Anesthesiology #Residency #MedicalSchool
What Are Sleep Disorders? Circadian Rhythm Disorders Typically, people sleep at night -- thanks not only to the conventions of the 9-to-5 workday, but also to the close interaction between our natural sleep and alertness rhythms, which are driven by an internal "clock." This clock is a small part of the brain called the suprachiasmatic nucleus of the hypothalamus. It sits just above the nerves leaving the back of our eyes. Light and exercise "reset" the clock and can move it forward or backward. Abnormalities related to this clock are called circadian rhythm disorders ("circa" means "about," and "dies" means "day"). Circadian rhythm disorders include jet lag, adjustments to shift work, delayed sleep phase syndrome (you fall asleep and wake up too late), and advanced sleep phase syndrome (you fall asleep and wake up too early).
How To Increase Brain Power, How To Increase Brain Activity, How To Boost Your Concentration--- http://brain-revitalizer.info-pro.co --- Improve Concentration, Ask anyone today what they have a hard time with and more often than not they are likely to cite trouble focusing or concentrating. With laptops, smart phones, television, GPS systems and social media, it is hard to block out all the distractions when you need to focus on something specific. Attention deficit disorder may be one of the most popular excuses for our lack of concentration, but it's not an entirely accurate diagnosis since many of us simply aren't training our brains the right way to improve our focus. Concentration is necessary just to make it through a typical workday. From driving and working to shopping and cooking, focus is essential in order to get tasks accomplished. Unfortunately many of us have a hard time zoning in on a specific project and seeing it through to completion. Being easily distracted is not necessarily a disorder but it will keep you from managing your time wisely and getting done the important things that need your attention. There are several ways people can improve their concentration, including strategic brain games and exercises, along with guided meditation and brainwave entrainment. Research has shown that the more a person trains their brain in specific skill sets, the better one can get at cognitive thinking, problem solving and memorization. Using computer generated pulses, or isochronic tones, during brain entrainment meditation is another way to synchronize your brain's frequencies so you can operate on a fast or slow frequency that will assist in achieving states of productivity or relaxation. As we all know, when we are relaxed our concentration and decision making are much better than if we are under stress or hurried. Being able to tap in to specific Alpha, Theta and Delta waves allows us to synchronize our brainwaves with sound pulses so we can be more focused on specific projects and tasks. But YOU can be different! You can use Genius Brain Power to empower your brain so that you come alive with more energy, learn quicker, think more creatively, focus on your work like never before and drastically reduce stress with amazingly deep states of relaxation and meditation. click here: http://brain-revitalizer.info-pro.co
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Not sure what to expect with your child's upcoming surgery at Wesley Children's Hospital? This guided tour will walk you through the process to make both patients and families feel as comfortable as possible.
An animation of blood flow inside the hollow fiber of a hemofilter, or a dialyzer, and the flow of the dialysate in an opposite direction with increased extraction of waste and small molecules from the blood as the concentration of these molecules is reduced downstream and exposed to new dialysate.
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Most healthy children are inattentive, hyperactive or impulsive at one time or another. It’s normal for preschoolers to have short attention spans and be unable to stick with one activity for long. Even in older children and teenagers, attention span often depends on the level of interest. The same is true of hyperactivity. Young children are naturally energetic — they often are still full of energy long after they’ve worn their parents out. In addition, some children just naturally have a higher activity level than others do. Children should never be classified as having ADHD just because they’re different from their friends or siblings. Children who have problems in school but get along well at home or with friends are likely struggling with something other than ADHD. The same is true of children who are hyperactive or inattentive at home, but whose schoolwork and friendships remain unaffected.