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735 Possible Causes for Absent Deep Tendon Reflex

  • Hyperkalemia

    deep tendon reflexes When hyperkalemia is discovered, investigate potential pathophysiologic mechanisms.[emedicine.medscape.com] Deep tendon reflexes may be depressed or absent, though cranial nerves, diaphragm function, and sensation are typically normal.[emdocs.net] […] usually normal, except occasionally in bradycardia due to heart block or tachypnea due to respiratory muscle weakness Muscle weakness and flaccid paralysis Depressed or absent[emedicine.medscape.com]

  • Hyponatremia

    Introduction The posterior pituitary hormone vasopressin has a primordial role in the pathogenesis of hyponatremia, the commonest electrolyte disorder in inpatients ( 1 – 3 ). Furthermore, studies consistently find an excess morbidity and mortality in patients with hyponatremia compared to patients with normal[…][journal.frontiersin.org]

  • Duchenne Muscular Dystrophy

    deep tendon reflexes and fasciculations • CPK levels are normal • pseudohypertrophy is absent Emery-Dreifuss dystrophy • similar clinical picture • no calf pseudohypertrophy[orthobullets.com] Additional clinical findings in Duchenne muscular dystrophy Other clinical findings in Duchenne MD include absent deep tendon reflexes in the upper extremities and patella[emedicine.medscape.com] deep tendon reflexes • CPK levels are normal Treatment Nonoperative corticosteroid therapy (prednisone 0.75 mg/kg/day) indications 5 to 7-year-old child with progressive[orthobullets.com]

  • Coma

    VIEW AND REVIEW Coma scales: a historical review Escalas de coma: uma revisão histórica Ana Luisa Bordini I ; Thiago F. Luiz I ; Maurício Fernandes I ; Walter O. Arruda II ; Hélio A.G. Teive III I Medical Students, Hospital de Clínicas, Federal University of Paraná, Curitiba PR, Brazil II Associate Professor of Neurology,[…][doi.org]

  • General Anesthesia

    We present the case of a 34-year-old man undergoing craniotomy for arteriovenous malformation resection under general anesthesia who suffered a tonic-clonic seizure captured by intraoperative electroencephalograph. The seizure was extinguished with a propofol bolus. This patient had no previous history of[…][ncbi.nlm.nih.gov]

  • Brachial Plexus Neuropathy

    Tone and power were normal throughout, lower limb deep tendon reflexes were absent and plantars were downgoing.[nature.com]

  • Hypokalemia

    Hypokalemia is a common electrolyte disorder in the intensive care unit. Its cause often is complex, involving both potassium losses from the body and shifts of potassium into cells. We present a case of severe hypokalemia of sudden onset in a patient being treated for subarachnoid hemorrhage in the surgical[…][ncbi.nlm.nih.gov]

  • Spinal Muscular Atrophy

    He has tongue fasciculations and absent deep tendon reflexes. Serum creatine phosphokinase and aldolase levels are normal.[orthobullets.com] Other symptoms may include: Decreased or absent deep tendon reflexes, such as the relfex that occurs when you tap on your knee.[ucsfbenioffchildrens.org] The patient’s deep tendon reflexes are absent, but he has tongue fasciculations. What is the cellular pathology and prognosis for this patient?[orthobullets.com]

  • Spinal Cord Lesion

    Rectal tone may be decreased, and deep tendon reflexes may be exuberant or absent. Traditionally, plain x-rays are taken of any possibly injured areas.[merckmanuals.com]

  • Adult Spinal Muscular Atrophy

    deep tendon reflexes Respiratory failure Variable cranial nerve involvement: opthalmoplegia, facial diplegia Additional Specific SMA1Clinical Features [ edit ] Lack of motor[en.wikibooks.org] Deep tendon reflexes are absent. Dysphagia may be present. Most children are confined to a wheelchair by age 2 to 3 yr.[merckmanuals.com] […] or markedly decreased deep tendon reflexes.[onlinelibrary.wiley.com]

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