Individual tests

Creatine kinase (CK) is an enzyme that occurs naturally in your muscle cells, while CK-MB mainly occurs in your heart's muscle cells. Damage to heart muscle cells causes CK-MB to leak into your blood. This test helps detect how much CK-MB enzyme is in your blood. If there’s more CK-MB in your blood than there should be, it can be a sign you’ve had a heart attack.
Creatine Kinase is an enzyme found in heart, brain, and skeletal muscle. This test detects muscle inflammation or damage due to muscle disorders.
D-dimer is a protein fragment produced when a blood clot dissolves in your body. Blood clots prevent you from losing too much blood when injured. Normally, your body will dissolve the clot once your injury heals. With a clotting disorder, clots form when you aren't injured or don't dissolve when they should. These conditions are serious and potentially life-threatening. A D-dimer test can show if you have one of these conditions.
T3 is one of two major hormones from your thyroid that regulates how your body uses energy. It's also important in controlling your weight, body temperature, muscle strength, and nervous system. This test measures free circulating T3, excluding that bound to carrier proteins. It aids diagnosis of, or following the treatment for, hyperthyroidism.
Free T4 is the active form of the thyroxine hormone that enters your tissues where needed. Your thyroid, which controls how your body uses energy, produces thyroxine. These hormones affect your weight, heart, body temperature, muscle strength, and mood. A T4 test checks how well your thyroid is working.
Homocysteine is an amino acid that your body uses to make proteins. Normally, vitamin B12, B6, and folic acid (also called folate or vitamin B9) quickly break down homocysteine and change it into other substances your body needs. High levels of homocysteine in your blood may indicate that this process isn't working properly or that you lack certain B vitamins. This test can suggest vitamin B6, B12, and folic acid deficiency, or assess risk factors for heart disease and stroke.
Troponin-I is a protein found in your heart muscles. When these muscles become damaged, troponin is released into the bloodstream. High levels of troponin in the blood may mean you are having or recently had a heart attack. Quick diagnosis and treatment can save your life.
Troponin-T is a protein found in your heart muscles. When the muscles become damaged, troponin is sent into the bloodstream. High levels of troponin in the blood may mean you are having or recently had a heart attack which happens when blood flow to the heart gets blocked. This blockage can be deadly. However, quick diagnosis and treatment can save your life.
C-reactive protein (CRP) is a protein from your liver. Typically, you have low levels in your blood. The high-sensitivity C-reactive protein (hs-CRP) test can detect CRP at lower levels than standard tests. This assesses heart disease and stroke risk in individuals suspected to be at risk of disease.
Lactate Dehydrogenase (LDH) is an enzyme which plays an important role in making your body's energy. It is found in almost all the body's tissue, including those in the blood, heart, kidneys, brain, and lungs. When these tissues are damaged, they release LDH into the bloodstream or other body fluids. If your LDH blood or fluid levels are high, it may mean certain tissues in your body have been damaged by disease or injury.
NT-proBNP is produced by the heart. An elevated NT-proBNP suggests that the heart is not pumping enough blood, known as heart failure or congestive heart failure. The test is used to diagnose or rule out heart failure. In patients with heart failure, testing helps assess disease severity, make decisions, and evaluate treatment effectiveness.
T3 is one of two major hormones made by your thyroid, a small gland located near the throat. It helps regulate your energy use, weight, body temperature, muscle strength, and nervous system. This test helps diagnose, assess and monitor thyroid disorders, such as an overactive or underactive thyroid gland and aids diagnoses of pituitary gland disorders.
Thyroxine (T4) is a thyroid hormone affecting your weight, heart, body temperature, and muscle strength. A T4 test can check how well your thyroid is working. It also helps diagnose and monitor thyroid disease and conditions like an underactive or overactive thyroid.
Thyroglobulin is a thyroid protein. This test is mostly used to monitor, but not to diagnose, patients with well-differentiated thyroid cancers. The measurement of thyroglobulin after thyroidectomy and ablation of the thyroid gland is useful for determining metastasis. It may also help diagnose hyperthyroidism and hypothyroidism, which are common non-cancer thyroid conditions.
Thyroglobulin is a protein that your thyroid produces. Antithyroglobulin antibodies can indicate thyroid gland damage caused by the immune system. They may be measured in suspected cases of thyroid inflammation. Measuring thyroglobulin antibody levels after thyroid cancer treatment can help your provider monitor recurrence.
Antibodies are immune system proteins that fight foreign substances like viruses and bacteria. Sometimes antibodies attack the body's cells, tissues, and organs by mistake, known as an autoimmune response. When thyroid antibodies attack healthy thyroid cells, it can lead to Hashimoto's or autoimmune thyroiditis. This test measures the level of thyroid antibodies in your blood.
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