Tetany

Tetany
Related Category: Pathology
(tt´n), condition of mineral imbalance in the body that results in severe muscle spasms. Tetany occurs when the concentration of calcium ions (Ca++) in extracellular fluids such as plasma falls below normal.
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tetany (muscular spasm) in the hands, feet or sometimes even the throat
depression
numbness and tingling in the hands, feet or around the mouth
fits.
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Tetany (prolonged muscle spasm) may occur if serum levels of calcium are low.
Chvostek's sign may be positive (a spasm of facial muscles occurs when the facial nerve is tapped) indicating low serum levels of calcium.
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parathyroidectomy; parathyroid gland; parathyroid glands; parathyroid hormone; parathyroid hormonelike protein; parathyroid hormones; parathyroid insufficiency; parathyroid osteosis; parathyroids, hypoplasia of the thymusand; parathyroid tetany; ...
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Spasms of the hands or feet may be an important early sign of tetany, a potentially life-threatening condition. Tetany is a manifestation of an abnormality in calcium level, which can be linked to the following: ...
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Calcium deficiency: A low level of calcium in the blood (hypocalcemia) which can make the nervous system highly irritable causing tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, and overly active reflexes).
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Stiffness rapidly develops in the chest, back, abdominal muscles, and sometimes the laryngeal muscles (which then interferes with breathing). Muscular seizures (tetany) cause sudden, powerful, and painful contraction of muscle groups.
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Later indications include knock-knees, bowed legs, narrow rib cage, protruding breastbone, or scoliosis (abnormal curvature of the spine). There may be delayed walking, tetany, bony beads along the ribs, and decaying teeth.
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Underactive parathyroid glands produce too little parathyroid hormones, which, in turn, causes low levels of calcium in the blood stream. The low levels of calcium lead to tetany, an increased excitability of the nerves.
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When spasms occur, air cannot pass through the larynx properly. May occur with infants, in tetany or in tetanus (lockjaw). Caused by abnormally low calcium levels in the blood and can be life-threatening if severe. See also : Respiratory system ...
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This is known as alkalization of the bloodstream, or alkalosis. Hydrochloric acid, originally from extracellular fluids, can be lost by vomiting. At its most severe, alkalosis results in paralysis (tetany).
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