Amyotrophic lateral sclerosis or ALS is a progressive nervous system disease that affects nerve cells in the brain and spinal cord, causing loss of muscle control. ALS is often called Lou Gehrig’s disease, after the baseball player who was diagnosed with it. ALS and Motor Neurons It’s a disease that affects the motor neurons. These…
Rosacea is a common skin condition that causes redness and visible blood vessels in a person’s face. It may also produce small, red, pus-filled bumps. These signs and symptoms may flare up for weeks to months and then go away for a while. Rosacea can be mistaken for acne, other skin problems or natural ruddiness….
Sickle cell anemia (sickle cell disease) is a disorder of the blood caused by an inherited abnormal hemoglobin (the oxygen-carrying protein within the red blood cells). Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood is shaped like sickles or crescent moons. These rigid, sticky…
Whipple disease is a rare bacterial infection that most often affects the patient’s joints and digestive system. Whipple disease interferes with normal digestion by impairing the breakdown of foods, such as fats and carbohydrates, and hampering the body’s ability to absorb nutrients. Whipple disease can also infect other organs, including the brain, heart and eyes. …
Canavan disease is a gene-linked neurological disorder that results in brain tissue degeneration. It is an autosomal recessive degenerative disorder that causes progressive damage to nerve cells in the brain, and is one of the most common degenerative cerebral diseases of infancy. It is caused by a deficiency of the enzyme aminoacylase 2, and is…
Esophageal cancer occurs when cancer cells develop in the esophagus, a tube-like structure that runs from the throat to the stomach through the esophagus. The cancer starts at the inner layer of the esophagus and can spread throughout the other layers of the esophagus and to other parts of the body (metastasis). Symptoms Signs and…
Lung cancer screening is a process that’s used to detect the presence of lung cancer in otherwise healthy people with a high risk of lung cancer. Lung cancer screening is recommended for older adults who are longtime smokers and who don’t have any signs or symptoms of lung cancer. Lung cancer occurs when cells in…
Kawasaki disease is an illness that causes blood vessels to become inflamed, almost always in young children. It’s one of the leading causes of heart disease in kids. The inflammation tends to affect the coronary arteries, which supply blood to the heart muscle. Kawasaki disease is sometimes called mucocutaneous lymph node syndrome because it also…
Debridement is the removal of dead (necrotic) or infected skin tissue to help a wound heal. It’s also done to remove foreign material from tissue. The procedure is essential for wounds that aren’t getting better. Usually, these wounds are trapped in the first stage of healing. When bad tissue is removed, the wound can restart…
Diverticular disease is the general name for a common condition that causes small bulges (diverticula) or sacs to form in the wall of the large intestine (colon). Although these sacs can form anywhere in the colon they are most common in the sigmoid colon (part of the large intestine closest to the rectum). Symptoms The…
Retinoblastoma is an eye cancer that begins in the retina — the sensitive lining on the inside of the eye. Retinoblastoma most commonly affects young children, but can rarely occur in adults. The eye starts to develop well before birth. During early stages of development, the eyes have cells called retinoblasts, which multiply to make…
Breast Cancer Screening aims to find breast cancers early. It uses an X-ray test called mammogram that can spot cancers when they’re too small to see or feel. Screening is used to look for cancers before a person has any symptoms or signs. Scientists have developed, and continue to develop, tests that can be used…
The cardiac examination, also known as precordial exam, is performed as part of a physical examination, or when a patient presents with chest pain suggestive of a cardiovascular pathology. It would typically be modified depending on the indication and integrated with other examinations especially the respiratory system. Cardiovascular examination is a central tool for assessing…
The cervix is the lower part of the uterus, the place where a baby grows during pregnancy. Cancer screening is looking for cancer before a patient has any symptoms. Cervical cancer screening is used to find changes in the cells of the cervix that could lead to cancer. The cervix is the opening to the…
A stress test, also called an exercise stress test, shows how a person’s heart works during physical activity. Because exercise makes the heart pump harder and faster, an exercise stress test can reveal problems with blood flow within the heart. A stress test usually involves walking on a treadmill or riding a stationary bike, the…
A holter monitor is a small, battery powered medical device that measures a person’s heart’s activity, such as rate and rhythm. The doctor may ask the patient to use one if they need more information about how their heart functions than a routine electrocardiogram (EKG) can give. A holter monitor test is usually performed after…
Echocardiography is a test that uses sound waves to produce live images of the heart. The image is called an echocardiogram. This test allows the doctor to monitor how the heart and its valves are functioning . Why It’s done The doctor may suggest an echocardiogram to; Check for problems with the valves or chambers…
Spine surgery is traditionally done as “open surgery” . This means that the area being operated on is opened with a long incision to allow the surgeon to view and access the anatomy. In recent years, however, technological advances have allowed more back and neck conditions to be treated with a minimally invasive surgical technique. …
Selective nerve root block injection (SNRB) is an injection of long-lasting steroid (cortisone) around the nerve root as it exits the spinal column. The injection reduces the inflammation and pain caused by pressure on the nerve. It can also be used as a diagnostic tool to help doctors determine whether the nerve is irritated by…
Vertebroplasty is an outpatient procedure for stabilizing compression fractures in the spine. Bone cement is injected into back bones (vertebrae) that have cracked or broken, often because of osteoporosis. The cement hardens, stabilizing the fractures and supporting the spine. For people with severe, disabling pain caused by a compression fracture, vertebroplasty can relieve pain, increase…