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11 Possible Causes for Hyperactive Deep Tendon Reflexes, Hyperkalemia, Potassium Decreased

  • Thyrotoxic Periodic Paralysis

    tendon reflexes Usually absent or depressed Usually absent or depressed Absent or depressed Normal and often hyperactive Severe respiratory muscle weakness Very rare Rare[] Found to have decreased potassium of 2.7 mmol/L and a decreased thyroid stimulating hormone level of 0.81.[] Rebound hyperkalemia greater than 5.5 mmol/L occurred in 40% patients receiving KCl.[]

  • Electrolyte Imbalance

    deep tendon reflexes.[] A seriously abnormal increase in potassium ( hyperkalemia ) or decrease in potassium ( hypokalemia ) can profoundly affect the nervous system and increases the chance of irregular[] Further endocrine evaluation suggested selective hyperreninemic hypoaldosteronism as a cause of hyperkalemia. KEYWORDS: Hyperkalemia; Hypernatremia; Myotonic Dystrophy[]

  • Hypomagnesemia

    ‘Marked hypokalemia, hypomagnesemia, and hyperkalemia may also contribute.’ ‘Symptomatic hypocalcemia and hypomagnesemia can be treated with replacement therapy.’[] These observations, coupled with the fact that both digitalis and magnesium deficiency lead to a decrease in intracellular potassium, suggested that hypomagnesemia might contribute[] deep tendon reflexes Chvostek's and Trousseau's signs Nystagmus Ataxia Cardiac arrhythmia Diagnostic Test Results-Laboratory Serum magnesium level is less than 1.5 mEq/L.[]

  • Electrolytes Abnormal

    deep tendon reflexes, dysrhythmias, mood changes, confusion, reduced motility with anorexia, nausea, constipation and distention.[] A seriously abnormal increase in potassium ( hyperkalemia ) or decrease in potassium ( hypokalemia ) can profoundly affect the nervous system and increases the chance of irregular[] Hyperkalemia Pφ Severe hyperkalemia is a life-threatening emergency, requiring immediate treatment.[]

  • Hypocalcemia

    Teach client to increase K in diet to prevent recurrence Treatment of Alterations in Potassium Levels Hyperkalemia - High Potassium Levels Causes of High Potassium Levels[] Manifestations include hyperactive deep tendon reflexes, chvostek's sign, muscle and abdominal cramps, and carpopedal spasm.[] Manifestations include hyperactive deep tendon reflexes, Chvostek's sign, muscle and abdominal cramps, and carpopedal spasm.[]

  • Low Chloride

    deep tendon reflexes - Tetany - Slow, shallow respirations - Seizures - Dysrhythmias - Coma - S/s of acid-base imbalances: hyponatremia, hypokalemia & metabolic alkalosis[] Signs and symptoms of both hyperkalemia and hypokalemia result from prolonged suppression of normal cardiac and nerve impulse conduction.[] Potassium depletion decreases aldosterone release by the adrenal cortex.[]

  • Hypermagnesemia

    Signs and symptoms include muscle tremors and weakness, athetoid movements (continuous, slow, involuntary twisting/writhing movements), ataxia, and hyperactive deep tendon[] Other causes can include, but are not limited to: Addison Disease Autoimmune Chelation Therapy for metal exposure Decreased excretion of potassium from the body Eating disorders[] Hyperkalemia and hypocalcemia are usually concurrent findings.[]

  • Cerebral Edema

    Rarer symptoms include brisk deep tendon reflexes, retinal hemorrhages, blurred vision, extension plantar reflexes, and ocular paralysis.[] The amount of edema is greatest in the white matter (increased water and sodium in the extracellular spaces, decreased potassium); but the same changes may take place in grey[] In particular, the risk for acute renal failure, rebound CE, pulmonary edema, hyperkalemia, transient hypotension, and anaphylaxis must be considered, but kept in perspective[]

  • Lithium Toxicity

    deep tendon reflexes, polyarthralgia Skin: dry thin hair, alopecia, diminished or absent skin sensations, chronic folliculitis, eczema with dry skin, new onset or exacerbation[] Rhabdomyolysis can also lead to acute tubular necrosis and kidney failure, which will exacerbate developing hyperkalemia by decreasing renal potassium clearance.[] Pathophysiology Lithium, the lightest alkali metal (others include sodium and potassium), has no known physiologic role in the body.[]

  • Acid-Base Imbalance

    The signs and symptoms are numbness, tingling of fingers, toes, and circumoral region, positive Trousseau’s sign and Chvostek’s sign, seizures, hyperactive deep tendon reflexes[] Therefore, potassium moves out to make room for hydrogen ions and the serum potassium level increases. Why does the serum potassium level decrease in alkalosis?[] deep tendon reflexes. tetany of muscle groups.[]

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