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67 Possible Causes for Absent Knee Reflex, Decreased Ankle Reflex

  • Arsenic-Induced Polyneuropathy

    Deep tendon reflexes are reduced or absent.[aafp.org] […] neuropathy likely. 4 The isolated presence of neuropathic symptoms or decreased ankle reflexes is less valuable for diagnosis.[aafp.org] […] distal perception (especially joint position sense ) Burning feet syndrome Atrophy and paresis of distal muscles; a hypoactive ankle jerk reflex Hyperpigmented, anhidrotic[amboss.com]

  • Diabetic Polyneuropathy

    Ankle reflexes are usually reduced or absent, and knee reflexes may also be reduced in some cases.[clinical.diabetesjournals.org] […] but are less sensitive. 2, 7,9,12 Decreased ankle reflexes are also common, as well as the electrodiagnostic equivalent, H reflexes.[dynamicchiropractic.com] Your doctor may also test your ankle reflexes. There’s no cure for diabetic neuropathy, but you can slow its progression.[healthline.com]

  • Tabes Dorsalis

    The deep tendon reflexes are also diminished or absent; for example, the “knee jerk” or patellar reflex may be lacking ( Westphal’s sign ).[medical-institution.com] The deep tendon reflexes are also diminished or absent; for example, the "knee jerk" or patellar reflex may be lacking ( Westphal's sign ).[en.wikipedia.org] The deep tendon reflexes are also diminished or absent; for example, the "knee jerk" or patellar reflex may be lacking • A complication of tabes dorsalis can be transient[slideshare.net]

  • Guillain-Barré Syndrome

    […] correlates with decreased/absent ankle reflex MRI cauda equina gandolinium enhancement in acute cases DIfferential Diagnosis Myasthenia gravis, ALS, infectious myelitis ([step2.medbullets.com] The exam may also show that reflexes such as the ankle or knee jerk are decreased or missing.[medlineplus.gov] […] potentials reduced amplitude with relatively preserved conduction velocity implicates axonal neuropathy delayed/absent F waves implicates nerve root involvement delayed/absent H reflex[step2.medbullets.com]

  • Diabetic Peripheral Neuropathy

    Ankle reflexes are usually reduced or absent, and knee reflexes may also be reduced in some cases.[clinical.diabetesjournals.org] Ankle and knee reflexes were absent or diminished in 28.2% (n   95) and 11.6% (n   39) of patients respectively.[dmsjournal.biomedcentral.com]

  • Lumbosacral Plexus Disorder

    There is an absent or reduced knee jerk reflex, although ankle jerks are commonly preserved.[patient.info]

  • Cauda Equina Syndrome

    .  Physical Exam:  Right plantar flexor weakness, absent right ankle reflex, and decreased anal sphincter tone.  Findings consistent w/ CES  Referral:  Medically evacuated[slideshare.net] Also, there may be decreased anal tone; sexual dysfunction; saddle anesthesia; bilateral leg pain and weakness; and bilateral absence of ankle reflexes.[urmc.rochester.edu]

  • Poliomyelitis

    On admission, the abdominal skin reflexes, knee jerks, cremaster and anal reflexes were absent and power in the lower extremities was reduced.[ncbi.nlm.nih.gov]

  • Charcot Marie Tooth Disease

    Sensory loss is often identified when the doctor tests for deep tendon reflexes, such as the knee jerk, which are reduced or absent in CMT patients.[web.archive.org] In order to identify sensory loss the neurologist will test for deep tendon reflexes, such as the knee jerk, which are reduced or absent in CMT.[crystalinks.com]

  • Chronic Inflammatory Demyelinating Polyneuropathy

    Knee and ankle jerk reflexes were absent. No abnormalities involving the cranial nerves were found.[omicsonline.org]

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