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What is acute flaccid myelitis (AFM) in children? AFM is a rare condition that affects the nervous system. It damages the spinal cord, leading to muscle weakness and reflex problems.…

What is acute bronchitis in children? Bronchitis is an inflammation of the large breathing tubes (bronchi) in the lungs. The illness can be short-term (acute) or long-term (chronic). Acute bronchitis…

What is acute bronchitis? Bronchitis is inflammation of the breathing tubes. These airways are called bronchi. This inflammation causes increased mucus production and other changes. There are several different types…

What is acute bacterial rhinosinusitis? Acute bacterial rhinosinusitis (ABRS) is an infection of both your nasal cavity and sinuses. It is caused by bacteria. The nasal cavity is the large…

What is acupuncture? Acupuncture is part of the ancient practice of Traditional Chinese medicine (TCM). TCM is a system of healthcare that has evolved over thousands of years to prevent,…

Does this test have other names? Intrinsic pathway coagulation factor profile, aPTT, partial thromboplastin time, PTT, blood coagulation tests What is this test? The aPTT is 1 of several blood…

Does this test have other names? ACT, activated clotting time What is this test? This test measures how long it takes your blood to clot. It’s often used to check…

Does this test have other names? Adrenocorticotropic hormone blood test, corticotropin What is this test? This is a blood test that measures the amount of adrenocorticotropic hormone (ACTH) the pituitary…

What is acromegaly? When your pituitary gland makes too much growth hormone, abnormal growth occurs. This is called acromegaly. The abnormal growth starts in your hands, face, and feet, as soft tissue begins…

What is hypothyroidism in a child? Hypothyroidism is when the thyroid gland doesn’t make enough thyroid hormone. The condition is more common in adults. But it’s the most common thyroid disorder…