Ultrasound is sound waves with frequencies which are higher than those audible to humans (>20,000 Hz). Ultrasonic images also known as sonograms are made by sending pulses of ultrasound into tissue using a probe. The sound echoes off the tissue; with different tissues reflecting varying degrees of sound. These echoes
Traditional Chinese medicine (TCM) is a style of traditional Asian medicine informed by modern medicine but built on a foundation of more than 2,500 years of Chinese medical practice that includes various forms of herbal medicine, acupuncture, massage (tui na), exercise (qigong), and dietary therapy. It is primarily used as
Traditional Chinese medicine (TCM) is a style of traditional Asian medicine informed by modern medicine but built on a foundation of more than 2,500 years of Chinese medical practice that includes various forms of herbal medicine, acupuncture, massage (tui na), exercise (qigong), and dietary therapy. It is primarily used as
Urinary retention refers to the inability to completely empty the bladder. This can be extremely painful and is often caused by a constriction below the bladder, which in turn is caused by an enlarged prostate or scarring. Shortly after bladder or prostate surgery, clotted blood can clog the outlet, thereby
A laparoscopic adjustable gastric band, commonly called a lap-band, A band, or LAGB, is an inflatable silicone device placed around the top portion of the stomach to treat obesity, intended to slow consumption of food and thus reduce the amount of food consumed. <br/> <br/>
Aesthetic medicine is an inclusive term for specialties that focus on improving cosmetic appearance through the treatment of conditions including scars, skin laxity, wrinkles, moles, liver spots, excess fat, cellulite, unwanted hair, skin discoloration, and spider veins. Traditionally, aesthetic medicine includes dermatology, reconstructive surgery and plastic surgery. Aesthetic medicine includes
The allergist and immunologist is a medical doctor specially trained to diagnose, treat and manage allergies, asthma and immunologic disorders including primary immunodeficiency disorders. Various substances in the environment and in food can trigger an allergy. Allergic reactions include seasonal and perennial rhinitis (e.g. hay fever), skin disorders such as
Andrology covers all areas of medicine dealing with male reproductive functions (e.g. infertility, erectile dysfunction, or hormonal imbalances). Depending on the problem, a detailed diagnostic plan is created. Typically, blood and sperm quality are analysed, and hormonal status is determined. A treatment regimen can then be determined. In some cases,
Anesthesiology, anaesthesia or anaesthetics is the medical speciality that focuses on perioperative medicine and the administration of anesthesia. The American Society of Anesthesiologists define anesthesiology as "the practice of medicine dedicated to the relief of pain and total care of the surgical patient before, during and after surgery. <br/> <br/>
Angina pectoris, commonly known as angina, is the sensation of chest pain, pressure, or squeezing, often due to not enough blood flow to the heart muscle as a result of obstruction or spasm of the coronary arteries. While angina pectoris can occur due to anemia, abnormal heart rhythms and heart
Angiology studies the diseases of the circulatory system and of the lymphatic system, i.e., arteries, veins and lymphatic vases, and its diseases. The field of vascular medicine (angiology) is the field that deals with preventing, diagnosing and treating vascular and blood vessel related diseases. The angiologist knows about the various
Angiology studies the diseases of the circulatory system and of the lymphatic system, i.e., arteries, veins and lymphatic vases, and its diseases. The field of vascular medicine (angiology) is the field that deals with preventing, diagnosing and treating vascular and blood vessel related diseases. The angiologist knows about the various
The cornea is the anterior, foremost delimitation of the eye. In most humans, the cornea does not show a perfectly spherical curvature, but rather looks like an egg, with a strong curvature in one axis, and a weaker curvature perpendicularly to it. Therefore, the optics does not display a focal
Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating. Often it starts as brief periods of abnormal beating which become longer and possibly constant over time.Most episodes have no symptoms. Occasionally there may be heart palpitations, fainting, shortness of breath, or chest pain.
Ablation of atrial fibrillation is mainly performed with an ablation catheter through the groin. The catheter delivers energy to the places in the heart (=endocardium) where the fibrillation originates. Alternatively the energy can also be applied with surgical instruments to the outside of the heart (=epicardium) brought in through small