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Electromyography. Electromyography (EMG) is a technique for evaluating and recording the electrical activity produced by skeletal muscles. [1][2] EMG is performed using an instrument called an electromyograph to produce a record called an electromyogram. An electromyograph detects the electric potential generated by muscle cells [3] when these ...
Electromyography (EMG) Electromyography is the measurement and analysis of the electrical activity in skeletal muscles. This technique is useful for diagnosing the health of the muscle tissue and the nerves that control them. [8] EMG measures action potentials, called Motor Unit Action Potentials (MUAPs), created during muscle contraction.
A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. [1] They are common, with as many as 70% of people experiencing them. [1] They can be benign, or associated with more serious conditions. [1] When no cause or pathology is identified, they are diagnosed as benign ...
Paget's disease of the breast is a symptom of underlying breast cancer. Treatment is variable and is determined by the type of breast cancer in addition to its staging and prognostic considerations. Management often involves a lumpectomy or mastectomy to surgically remove the tumour. [12] Chemotherapy and/or radiotherapy may also be necessary. [13]
The Mayo Clinic Cancer Center is one of the oldest NCI-designated cancer centers in the United States, having first been designated in 1973. [3] The main location of the Mayo Clinic is in Rochester, MN. Campuses in Arizona and Florida opened later and became part of the Mayo Clinic Cancer Center in 2003. [4][5]
Clinical neurophysiology. Clinical neurophysiology is a medical specialty that studies the central and peripheral nervous systems through the recording of bioelectrical activity, whether spontaneous or stimulated. It encompasses both research regarding the pathophysiology along with clinical methods used to diagnose diseases involving both ...
Deaths. 60,700 (2015) [ 7 ] Chronic lymphocytic leukemia (CLL) is a type of cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell). [ 2 ][ 8 ] Early on, there are typically no symptoms. [ 2 ] Later, non-painful lymph node swelling, feeling tired, fever, night sweats, or weight loss for no clear reason may occur ...
Children with cancer are at risk for developing various cognitive or learning problems. [16] These difficulties may be related to brain injury stemming from the cancer itself, such as a brain tumor or central nervous system metastasis or from side effects of cancer treatments such as chemotherapy and radiation therapy.