Search Results

231 results found
Medical tests
… Why It Is Done Stool analysis is done to: Help identify diseases of the digestive tract, liver , and pancreas . … Risks Any stool sample may contain germs that can spread disease. Make sure to carefully wash your hands and use … values High levels of fat in the stool may be caused by diseases such as pancreatitis , sprue (celiac disease) , …
Medical tests
… expiratory volume at 1 second (FEV1). If you have a lung disease, such as asthma, your doctor may test your peak … lungs are working if you have a long-term (chronic) lung disease, such as asthma. Guide the treatment and monitor the … spirometer can be compared to monitor the progression of disease or help measure your response to medical treatment …
Medical tests
… Why It Is Done Ophthalmoscopy is done to: Find problems or diseases of the eye, such as retina problems. Help find other conditions or diseases that damage the eye. Look for the cause of symptoms, such as headaches. Find other problems or diseases, such as head injuries or brain tumours. This …
Medical tests
… Find an infection. Find nerve damage caused by injury or disease, such as multiple sclerosis . Check problems of the … tell the difference between old surgical scars and a new disease or injury. Learn more Low Back Pain: Should I Have … or areas of nerve damage in the spine are present. No disease or bone loss in the spine is present. No ruptured …
Medical tests
… of years and have an increased chance of having heart disease. How To Prepare Your doctor may recommend how you … can exercise without chest pain or other symptoms of heart disease. Your blood pressure increases steadily during … or right after the test. You have other symptoms of heart disease, such as dizziness, fainting, or extreme shortness …
Medical tests
… present. Check the success of treatment for severe liver disease, such as cirrhosis. Help identify a childhood … High levels of ammonia in the blood may be caused by: Liver disease, such as cirrhosis or hepatitis . Reye syndrome . … types of a mother and her baby do not match ( hemolytic disease of the newborn ). Allen Test …
Medical tests
… (methanol), and antifreeze (ethylene glycol). A rare disease, such as diabetes insipidus, that causes the kidneys … hormone secretion (SIADH). SIADH sometimes occurs with lung disease, cancer, diseases of the central nervous system, or the use of …
Medical tests
… teeth line up. They also show bone loss when severe gum disease or a dental infection is present. Periapical. These … , cysts , tumours, and bone changes linked to some diseases. Occlusal. These X-rays show the roof or floor of … scheduled when you need them based on your age, risk for disease, and signs of disease. Why It Is Done Dentists use …
Medical tests
… they are, and check to see how well treatment for a lung disease is working. The tests look at: How much air your … to: Find the cause of breathing problems. Find certain lung diseases, such as asthma or chronic obstructive pulmonary disease (COPD) . Check a person's lung function before …
Medical tests
… from low or high levels of sodium. Check on the progress of diseases of the kidneys or adrenal glands. How To Prepare In … ), severe vomiting or diarrhea, Cushing's syndrome , kidney disease or injury, diabetic ketoacidosis , or a condition … adrenal glands or thyroid gland , heart failure , kidney disease, cirrhosis , cystic fibrosis , or SIADH (syndrome of …