281 results found
Medical tests
… . The two upper chambers are called atria, and the two lower chambers are called ventricles. A natural electrical … is done to: Help find the cause of unexplained chest pain or pressure. Help decide on the best treatment for a … from falling off. On the treadmill , you will start out slowly in a level or slightly inclined position. After …
Medical tests
… Lung Cancer Screening: Low-Dose Spiral CT Scan On this page: Test Overview Why It … takes a few minutes. How It Feels The test will not cause pain. The table you lie on may feel hard, and the room may … an incidental finding. Results Your doctor will likely get back to you with complete results in 1 to 2 days. Low-dose …
Medical tests
… transducer sends sound waves that echo off your heart and back to the transducer. These echoes are turned into moving … Check for coronary artery disease, which can reduce blood flow to the heart muscle during stress. Look at the heart … 30 to 60 minutes. How It Feels You may have a brief, sharp pain when the intravenous (IV) needle is placed in a vein in …
Medical tests
… out what may be causing symptoms like angina (such as chest pain or pressure). It may be done after a heart attack to … moves through the heart muscle, areas that have good blood flow absorb the tracer. Areas that do not absorb tracer may … tracer will be put in the IV. You will lie on your back on a table with a large camera above your chest. The …
Medical tests
… too cold, your blood vessels narrow. This reduces blood flow to your skin to save body heat. You may start to shiver. … unable to safely lie on their stomach, place them on their back. Choose a quiet place so that the child won't be … can cause a little discomfort, but it should not be painful. Taking an ear temperature causes little or no …
Medical tests
… is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the bones release calcium to bring it back to a good blood level. When blood calcium levels get … nausea and vomiting, constipation, urinating a lot, belly pain, or bone pain. As part of a routine blood test. A blood …
Medical tests
… in the early morning (between 6 a.m. and 8 a.m.) and lowest in the evening (between 6 p.m. and 11 p.m.). ACTH … glands or pituitary gland. A high level of ACTH and a low level of cortisol (or low ACTH and high cortisol levels) … or physical stress (such as recent surgery or severe pain). Diseases such as Addison's disease (failure of the …
Medical tests
… MRI can look at the spine in the neck (cervical), upper back (thoracic), or lower back (lumbosacral). The entire spine can be seen in … that are important to many health problems. Low Back Pain: Should I Have an MRI? Why It Is Done An MRI of the …
Medical tests
… BUN-to-creatinine ratio. Kidney disease or blocked urine flow from your kidney causes both BUN and creatinine levels … or pinch. Urine test This test usually doesn't cause any pain or discomfort. Risks Risks of a blood test There is … , muscular dystrophy , polymyositis, and strenuous exercises. Shock. This is low blood pressure with many …
Medical tests
… is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the bones release calcium to bring it back to a good blood level. When blood calcium levels get … sample. How It Feels This test usually doesn't cause any pain or discomfort. Risks There is very little chance of …
