Absent Deep Tendon Reflexes: Causes & Reasons

Warning: Do not use in emergencies, if pregnant, if under 18, or as a substitute for a doctor’s advice or diagnosis. Learn more

Possible Causes for Absent Deep Tendon Reflexes

Hypermagnesemia

He had trace edema in his lower extremities and absent deep tendon reflexes. [ncbi.nlm.nih.gov]

Weakness and nausea Impaired breathing Hypoventilation Low blood pressure Low blood calcium Abnormal heart rhythms and asystole Decreased or absent deep tendon reflexes Dizziness [en.wikipedia.org]

Neurological Exam: Decreased/absent deep tendon reflexes CLINICAL WORKUP: SERUM STUDIES Serum magnesium: this serum study will help aid in the diagnosis. [stepwards.com]

Spinal Muscular Atrophy Type 4

He has tongue fasciculations and absent deep tendon reflexes. Serum creatine phosphokinase and aldolase levels are normal. [orthobullets.com]

deep tendon reflexes Severe bulbar palsy Respiratory failure Atrophy and fasciculations in the tongue Weak cry and cough Inability to swallow → difficulty feeding, drooling [amboss.com]

deep tendon reflexes Respiratory failure Variable cranial nerve involvement: opthalmoplegia, facial diplegia 21. [slideshare.net]

Spinal Muscular Atrophy Type 2

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]

Absent deep tendon reflexes, hypotonia, and weakness, but normal intelligence and no sensory loss are observed. [accessanesthesiology.mhmedical.com]

Spinal Muscular Atrophy Type 3

He has tongue fasciculations and absent deep tendon reflexes. Serum creatine phosphokinase and aldolase levels are normal. [orthobullets.com]

Signs of motor neuron disease such as muscle weakness, muscle atrophy, fasciculations, and reduced or absent deep tendon reflexes can be seen. [medlink.com]

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]

Abetalipoproteinemia

Absent or diminished deep tendon reflexes are common to both ABL and the NAs, however, as is liver disease. Refsum disease (RD). [forgottendiseases.org]

However, deep-tendon reflexes remained absent and plantar reflexes were still upgoing. [ncbi.nlm.nih.gov]

Neurologic examination may reveal diminished or absent deep tendon reflexes and, less frequently, deficits in proprioception and ataxia. [emedicine.com]

Lambert-Eaton Syndrome

History and Physical The most frequent clinical manifestations of Lambert-Eaton myasthenic syndrome are proximal muscle weakness, autonomic dysfunction, and absent deep tendon [statpearls.com]

reflexes. [statpearls.com]

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]

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]

Friedreich Ataxia

She had ataxia of gait, mild to severe limb ataxia, and reduced or absent deep tendon reflexes, but no evidence of spasticity on examination. [ncbi.nlm.nih.gov]

deep tendon reflexes, weakness of extremities, numbness, irregular heartbeat, and high blood glucose levels. [codyestepwordpresscom.wordpress.com]

On physical exam, the pediatrician notices nystagmus, absent deep tendon reflexes, significant loss of vibratory and proprioceptive sensation in his extremities, pes cavus [step1.medbullets.com]

Spinal Muscular Atrophy Type 1

Deep tendon reflexes are absent. Respiratory failure is common. Mild contractures (of the knees and, more rarely, of the elbows), and scoliosis may be present. [orpha.net]

As the disease progresses, autonomic dysfunction and tongue twitching develop, and deep tendon reflexes are absent. [genedx.com]

Vitamin E Deficiency

deep tendon reflexes, bilateral Babinski's sign, reduced proprioception at four limbs, pes cavus and fasciculations of the tongue. [ncbi.nlm.nih.gov]

All described patients exhibited persistent progressive cerebellar ataxia with generally absent tendon reflexes. [ncbi.nlm.nih.gov]

[…] limbs and dysarthric speech; muscular strength and trophism were slightly diminished in the distal muscles of four limbs and there was hypotonia of the arms; he presented absent [ncbi.nlm.nih.gov]

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]

Alagille Syndrome

Other associated findings include posterior embryotoxon and retinal pigmentary changes of the eye, vertebral anomalies (“butterfly” vertebrae), absent deep tendon reflexes [genedx.com]

reflexes of the deep tendon Slow mental development; mental retardation Poor performance at school How is Alagille Syndrome Diagnosed? [dovemed.com]

[…] defect observed in children affected by Alagille Syndrome and characterized by bluish discoloration of skin, shortness of breath on exertion, and failure to grow Poor-to-absent [dovemed.com]

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]

Hypokalemia

deep tendon reflexes and bilateral equivocal plantar responses. [ajns.paans.org]

Deep tendon reflexes may be decreased or absent and respiratory muscles can become paralyzed. [journals.lww.com]

[…] there was visible use of use of accessory muscles and single breath count of 8.Neurologic examination revealed flaccid quadriparesis (lower extremity > upper extremity) with absent [ajns.paans.org]

Coma

Psychogenic unresponsiveness can be differentiated because although voluntary motor response is typically absent, muscle tone and deep tendon reflexes remain normal, and all [msdmanuals.com]

Cauda Equina Syndrome

However, if an acute spinal cord injury is severe, muscle tone and deep tendon reflexes are initially decreased or absent (spinal shock), making distinguishing it from cauda [msdmanuals.com]

In cauda equina syndrome (unlike in subacute or chronic spinal cord injury), muscle tone and deep tendon reflexes are decreased in the legs. [msdmanuals.com]

Brachial Plexus Neuropathy

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

Pompe Disease

deep tendon reflexes Metabolic Features: fever of central origin Abdomen Spleen: splenomegaly Cardiovascular Heart: cardiomegaly wolf-parkinson-white syndrome shortened p-r [malacards.org]

Ribs Sternum Clavicles And Scapulae: diaphragmatic paralysis Neurologic Central Nervous System: hypotonia abnormal brain myelination Neurologic Peripheral Nervous System: absent [malacards.org]

Familial Periodic Paralysis

To differentiate it from Guillian Barre syndrome, deep tendon reflexes are normal and 7th cranial nerve is spared. [icd.codes]

Deep tendon reflexes were absent in 18 patients (32.15%), diminished in 18 (32.15%) and normal in 20 (35.75%) patients. [annalsofian.org]

(Citation Required) - During an attack reflexes may be decreased or absent. [icd.codes]

Hypokalemic Periodic Paralysis

In this study 7/18 (38.89%) cases had absent, 1/18 (5.55%) had diminished, and 10/18 (55.55%) cases had intact deep tendon reflexes. [cureus.com]

To differentiate it from Guillain–Barré syndrome, deep tendon reflexes are normal and 7th cranial nerve is spared. During an attack reflexes may be decreased or absent. [dbpedia.org]

Deep tendon reflexes were absent in 18 patients (32.15%), diminished in 18 (32.15%) and normal in 20 (35.75%) patients. [annalsofian.org]

Poliomyelitis

tendon reflexes are diminished or absent. o Atrophy of muscle may be detected 3 weeks after onset of paralysis, which becomes maximal at 12-15 weeks and remains permanent [sites.google.com]

Spinal paralysis is typically asymmetric, more severe proximally than distally, and deep tendon reflexes are absent or diminished. [cdc.gov]

[…] lumbar than cervical segments and more spinal cord than brainstem segments. o The trunk muscles are affected least. o Sensation should be within normal limits objectively. o Deep [sites.google.com]

Hyponatremia

Hyponatremia Other names Hyponatraemia, low blood sodium, hyponatræmia Sodium Specialty Internal medicine Symptoms Decreased ability to think, headaches, nausea, poor balance, confusion, seizures, coma[1][2] Types Low volume, normal volume, high volume[3] Diagnostic method Serum sodium < 135 mmol/L[2] Differential[…] [en.wikipedia.org]

General Anesthesia

General anesthesia is a procedure by which a person is put into sleep like state for the performance of surgery or other painful medical procedures. Although anesthesia was used throughout history, in primitive forms, to help in performing surgeries, the world was introduced to what is general anesthesia for the[…] [anesthesiageneral.com]

Acute Hepatic Porphyria

No-charge genetic testing for acute hepatic porphyria Alnylam has partnered with Invitae to offer genetic testing at no charge for individuals who may carry a gene mutation known to be associated with acute hepatic porphyria (AHP). On average, it takes up to 15 years from symptom onset for a patient to receive[…] [invitae.com]

Distal Spinal Muscular Atrophy Type 1

deep tendon reflexes. [orpha.net]

[…] growth retardation, low birth weight, feeble cry, weak suck and failure to thrive and present with inspiratory stridor, recurrent episodes of dyspnea or apnea, cyanosis and absent [orpha.net]

Hereditary Areflexic Dystasia

deep tendon reflexes; pes cavus; weakness in dorsiflexion of the feet and toes; limb dyssynergia; difficulty with equilibrium; intention tremor; and mild sensory abnormalities [neurology.org]

[…] disease were: pattern of inheritance compatible with autosomal dominance; onset in infancy; slow and unsteady progression with minimal disability and normal life expectancy; absent [neurology.org]

Lumbosacral Plexus Disorder

ICD-10-CM Codes › G00-G99 Diseases of the nervous system › G50-G59 Nerve, nerve root and plexus disorders › G54- Nerve root and plexus disorders › Lumbosacral plexus disorders 2016 2017 2018 2019 Billable/Specific Code G54.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for[…] [icd10data.com]

Holmes-Adie Syndrome

William John Adie was an Australian neurologist in the early 20th century responsible for extensively describing the tonically dilated pupil associated with absent deep tendon [ncbi.nlm.nih.gov]

deep tendon reflexes – both features of a syndrome that now bears his name. [doi.org]

Patients most commonly present with a classic triad of: diaphoresis absent deep tendon reflexes, e.g. ankle jerk an Adie pupil : tonically dilated and responds poorly or not [radiopaedia.org]

Hyperkalemic Periodic Paralysis

Hyperkalemic periodic paralysis (HPP) is an autosomal-dominant inherited muscle disease characterized by episodes of flaccid weakness and intermittent myotonia. There are no previous reports in the literature about anesthesia for cardiac surgery with cardiopulmonary bypass in this disorder. We describe[…] [ncbi.nlm.nih.gov]