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Heart disease is a condition where the heart muscle grows progressively weaker, and cannot pump enough blood to meet the body's needs for oxygen and nutrients. Heart damage can result from a variety of conditions, but the single most common cause is a heart attack that damages the heart muscle. Failure can also stem from problems with the heart's valves, rheumatic heart disease, bacterial infections, and congenital defects. Other heart diseases include abnormal heart rhythms, deterioration of the heart muscle, and high blood pressure. As heart failure progresses, blood backs up into the vessels around the lungs. This causes fluid to seep into the respiratory tract, congesting the lungs and making breathing difficult. Thus, heart failure is sometimes called congestive heart failure. Other symptoms of heart failure are fatigue, swelling of the legs, rapid weight gain, loss of appetite, abdominal bloating, and difficulty sleeping.
Coronary artery disease occurs when the coronary arteries become hardened and narrowed, due to the buildup of fatty deposits known as atherosclerosis. As plaque accumulates on the arterial walls, the arteries grow narrower, restricting the flow of blood and starving the heart muscle of life-giving oxygen. A critical side-effect of atherosclerosis may be the formation of an aortic aneurysm, the abnormal enlargement in the wall of the aorta. The aneurysm typically is located along a weakened portion of the artery's wall, causing it to bulge outward. If left untreated, an aortic aneurysm may rupture, causing serious complications such as internal bleeding.
In the case of an emergency, surgical intervention may be required. Minimally invasive bypass surgery offers an alternative to coronary artery bypass grafts, for patients who have only one or two blocked arteries. This operation uses a combination of small holes in the chest, and a small incision made directly over the coronary artery that needs to be bypassed. The result is more rapid healing of the chest incision with less pain and scarring. Heart valve replacement surgery also has become a common operation in hospitals. There are many reasons why a heart valve may not be working as well as it should. Valves that are seriously degenerated can be removed surgically and replaced with a new valve mechanism.
Coronary artery bypass surgery is used to reduce the symptoms of coronary artery disease and to prevent future heart attacks in patients who have major blockages in their coronary arteries. These blockages are the result of atherosclerosis, a condition which causes fatty deposits to build up in the arteries, slowing the flow of blood. Over time, as the coronary arteries continue to narrow, angina, pain or discomfort in the chest, or a heart attack can result. Coronary artery bypass surgery uses vein grafts taken from a patient's leg, arm or inside the chest to create a detour so blood can go around the blockages in the coronary artery and reach the heart.
Physical Therapy has a developmental side as well as a sports and orthopedic side.
In this video, Ashley explains the common reasons why people experience lower back pain, from poor posture to spinal problems.
It's likely that you will face some sort of injury in your lifetime . In this video, Shane shares ways to prevent and treat common injuries.
Basics of heart disease, heart attacks, heart failure, angina, cardiac arrest. Learn about how the heart works, how blood flows through the heart, where the blood goes after it leaves the heart.
With early detection and treatment, breast cancer survival rates are very good. Individual prognosis depends on the type of cancer, the stage of development when detected, and the treatments prescribed. The two most common types of breast cancer are ductal carcinoma, where tumors form in the cells of the milk ducts, and lobular carcinoma, which occurs in the milk-producing glands. Detection and therapy may include the following methods:• Digital mammography
Prostate cancer is the most common cancer in men, according to the American Cancer Society. The prostate gland is located below the bladder and surrounds part of the urethra. Enlargement of the prostate can be one of the early warning signs of prostate cancer. In the early stages, the patient may notice discomfort in urination. For men who are 50 and older, the most effective way to detect prostate cancer is through screening tests such as the prostate-specific antigen (PSA) blood test, or the minimally invasive ultrasound imaging procedure. In order to receive optimal cancer care, the most accurate diagnosis is primary. Diagnostic and advanced imaging technology resources include the following:Computed Tomography High-Resolution (64-slice) Scanning
A cataract is a clouding of the eye's lens that causes decreased vision. The lens of the eye focuses light rays onto the retina (the light sensitive tissue at the back of the eye) where an image is recorded. This allows us to see things clearly. The lens of the eye comprises mostly water and protein. The protein is arranged in a way that keeps the lens clear and lets light pass through it. A cataract develops when some of the protein clumps together and starts to cloud an area of the lens. A cataract won't spread from one eye to the other, although many people develop cataracts in both eyes. As the cataract matures and gets cloudier, it may become difficult to read and do other normal tasks. The exact cause of this clouding is not known. However, a number of factors are known to contribute to the formation of cataracts:
Cataract surgery is usually done as an outpatient under local anesthesia and most often takes less than one hour. Most cataract surgeries involve removing the cloudy lens and replacing it with an artificial one. There are two primary types of cataract removal surgery. The first is Phacoemulsification, or Small Incision Cataract Surgery, where a tiny probe is inserted into the eye. The probe emits ultrasound waves that break up the cloudy lens into small fragments. The tiny pieces are then removed by suction. This is the most common form of cataract removal surgery, and usually requires no stitches. The second type of cataract surgery is called is Extracapsular Surgery, where an incision is made in the eye, and the hard center of the lens is removed. The remainder of the lens is removed by suction. This surgery usually requires stitches, although the stitches can stay in the eye permanently.
In both types of surgery, local anesthesia is used so that you do not feel any pain. You will also likely be given a sedative to make you more comfortable. In most cases, the removed lens is replaced by an intraocular lens (IOL). An IOL is a clear artificial lens. It requires no special care, and remains permanently in the eye. In some cases, an IOL cannot be used, usually due to surgical complications, unusual anatomy, or other eye diseases. In these cases, either a contact lens or eyeglasses that provide very powerful magnification are used after the surgery to correct the vision.