Abnormal Reflex: Causes & Reasons

Possible Causes for Abnormal Reflex

Typical Presentation: Gradual onset, progressive muscle failure weakness, fatigue, problems with swallowing, abnormal reflexes, cramping, fasciculations [athenadiagnostics.com]

The physical exam may show: Weakness, often beginning in one area Muscle tremors, spasms, twitching, or loss of muscle tissue Twitching of the tongue (common) Abnormal reflexes [nlm.nih.gov]

Cerebral Embolism

The abnormal reflex has been attributed to disturbance of baroreceptor function 4 and also to degeneration of the medulla. 5 CSS has overlap with VVS (Figure 2). [ncbi.nlm.nih.gov]

However, CSH has been taken to indicate the existence of an abnormal reflex, which may have importance in unexplained falls, where it is necessary to take into account that [ncbi.nlm.nih.gov]

[…] syncope but the history of syncope is unavailable due to the relatively common amnesia for the event. 23 Several studies have been performed to investigate the role of the abnormal [ncbi.nlm.nih.gov]

Spinal Neoplasm

reflex to complete paraplegia, depending on the degree of encroachment. [patient.info]

This exam tests reflexes, muscle strength, vision, eye and mouth movement, coordination, balance, alertness, and other functions. [cancer.org]

[…] secondary to compression of the spinal cord or nerve roots also can be part of the presentation: The degree of neurological compromise can vary from slight weakness or an abnormal [patient.info]

Congenital AIDS

Encephalopathic findings such as failure to thrive and impaired brain growth, as well as the presence of motor deficits (paresis, ataxia, gait disturbance or abnormal reflexes [symptoma.com]

[…] posture, spastic tone, weakness, increased deep reflexes, and abnormal plantar reflexes) of damage to motor neurons originating below that level—as well as the loss of bladder [britannica.com]

[…] example, injury to the cord at mid-thoracic levels spares the arms, which are innervated by fibres originating from higher segments, but it causes characteristic signs (abnormal [britannica.com]

Cerebral Thrombosis

reflexes, abnormal eye movements, muscle weakness, decreased sensation, and other changes. [medicalnewstoday.com]

In newborns, symptoms resemble those of many other acute neonatal encephalopathies: Seizures Depressed mental status Poor feeding Abnormal tone and reflexes Among nonneonates [clinicaladvisor.com]

[…] hospital, a physician will ask about the patient's medical history and look for specific neurological, motor, and sensory deficits, such as changes in vision or visual fields, abnormal [medicalnewstoday.com]

Gaucher Disease Type 2

reflexes associated with the brain stem. [socialstyrelsen.se]

Abnormal pupillary light reflex with chromatic pupillometry in Gaucher disease. Annals of Clinical and Translational Neurology, Vol. 1, Issue. 2, p. 135. [cambridge.org]

reflexes. [patient.info]

Degenerative Disorder

reflexes. [orthoneuro.com]

Signs and symptoms include difficulty walking, sensory disturbances, lack of motor coordination and abnormal reflexes in the limbs. [richardsonthebrain.com]

Evaluation of the different sensory modalities showed no abnormalities. Deep tendon reflexes were +2 and symmetrical, with bilateral extensor plantar responses. [jmg.bmj.com]

Fracture

This allows the doctor to test your neurological responses, such as your reflexes, muscles, and sensory perception. [umm.edu]

Abnormalities on the neurological examination can point to nerve damage. The nerves of the spinal cord carry messages from the brain to the rest of the body. [umm.edu]

Meningitis

reflexes. [cdc.gov]

In young babies, doctors may also look for a bulging fontanelle (soft spot on infant’s head) or abnormal reflexes. [cdc.gov]

In young infants, doctors may look for a bulging fontanelle (soft spot on infant’s head) or abnormal reflexes, which can also be signs of meningitis. [web.archive.org]

Anterior Spinal Artery Syndrome

Magnetic resonance imaging showed a signal abnormality in the anterior half of the thoracic cord from T5 to T12, consistent with anterior spinal artery infarction. [ncbi.nlm.nih.gov]

Results: A 16-year-old girl with Down syndrome presented with urinary retention and acute complete flaccid paralysis of the legs with absent deep tendon and abdominal reflexes [tandfonline.com]

A 16-year-old girl with Down syndrome presented with urinary retention and acute complete flaccid paralysis of the legs with absent deep tendon and abdominal reflexes. [ncbi.nlm.nih.gov]

Transient Ischemic Attack

Some of the motor findings include unilateral weakness in the upper or lower extremities, face, and tongue, increased tone, clonus, rigidity and also abnormal reflexes could [ncbi.nlm.nih.gov]

[…] speech, level of alertness Cardiovascular: heart rate and RHYTHM (eg, a.fib), blood pressure and neck bruits Motor exam (and reflexes, Babinski): Grip strength and big motor [emergencymedicinecases.com]

Swallowing impairments are associated with an increased risk of death. 620 An abnormal gag reflex, impaired voluntary cough, dysphonia, incomplete oral-labial closure, a high [doi.org]

Stroke

[…] with magnesium sulfate; may interfere with labor No I/A Combined α-β blockers (labetalol) May provoke asthma exacerbation Possible neonatal bradycardia IIa/B Hydralazine Reflex [doi.org]

[…] tachycardia, delayed hypotension Neonatal thrombocytopenia, fetal bradycardia III/B ACE inhibitors, angiotensin receptor blockers, renin inhibitors Skeletal and cardiovascular abnormalities [doi.org]

Migraine

"Abnormal transient pupillary light reflex in individuals with autism spectrum disorders". J Autism Dev Disord. 39 (11): 1499–508. doi:10.1007/s10803-009-0767-7. [en.wikipedia.org]

AS Cohen, AR Gantenbein and PJ Goadsby, Abnormal blink reflex studies in a patient with supraorbital neuralgia, Cephalalgia, 26, 7, (875-878), (2006). S. Evers, J. [doi.org]

Multiple Sclerosis

This may include: Abnormal nerve reflexes Decreased ability to move a part of the body Decreased or abnormal sensation Other loss of nervous system functions, such as vision [nlm.nih.gov]

The health care provider may suspect MS if there are decreases in the function of two different parts of the central nervous system (such as abnormal reflexes) at two different [nlm.nih.gov]

Syringomyelia

Symptoms of Syringomyelia Common symptoms of syringomyelia include: Weakness Pain Numbness (decreased feeling) Tingling, especially in the arms and hands Abnormal reflexes [seattlechildrens.org]

[…] pain & temperature sensibility, Asymmetric abdominal reflexes Radiographic Signs: Rapidly progressive scoliosis, Upper thoracic curve, Left thoracic curve, High double thoracic [gait.aidi.udel.edu]

There is no sensory abnormality, and there are generalized increased tendon reflexes in ALS. 5. Cervical spondylosis. [intranet.tdmu.edu.ua]

Primary Progressive Multiple Sclerosis

Later in the course of the disease there may be extreme emotional lability, ataxia, abnormal reflexes, and difficulty in urinating. [medical-dictionary.thefreedictionary.com]

[…] remission of symptoms, and demonstrable delayed blink reflex and evoked visual response are diagnosed as having either possible or probable multiple sclerosis. [medical-dictionary.thefreedictionary.com]

There is no definitive diagnostic test for the condition, but persons with objectively measured abnormalities of the central nervous system, a history of exacerbation and [medical-dictionary.thefreedictionary.com]

Friedreich Ataxia

Friedreich Ataxia (FRDA) is a neurodegenerative disorder characterized by gait and balance abnormalities, sensory loss, weakness, loss of reflexes, and ataxia. [ncbi.nlm.nih.gov]

[…] lack of tendon reflexes in the legs jerky movements and lack of coordination ultimately involving the arms, legs and body speech difficulties, such as slurring swallowing [betterhealth.vic.gov.au]

Babinski reflex bilaterally and Muscle rigidity. [wikidoc.org]

Epilepsy

[…] heartbeat Low blood levels of oxygen or sugar Seizures can be caused by flashing lights or video games (reflex epilepsy), but this is rare. [msdmanuals.com]

Friederike Irmen, Tim Wehner and Louis Lemieux, Do reflex seizures and spontaneous seizures form a continuum? [doi.org]

Brain tumor Suddenly stopping heavy drinking of alcohol (withdrawal) If you have only 1 seizure, it's most often caused by: Prescription medicines Lack of sleep High fever Abnormal [msdmanuals.com]

Intracranial Hemorrhage

Persistent tone and reflex abnormalities in infancy may suggest cerebral palsy, motor dysfunction, learning or behavioral problems 24. [scielo.br]

[…] sleep Lethargy Weak suck Seizures and other abnormal movements All babies born before 30 weeks should have an ultrasound of the head to screen for IVH. [medlineplus.gov]

reflexes Excessive sleep Lethargy Weak suck Fallen blood count It is recommended that infants born prematurely receive a routine cranial ultrasound between 7 and 14 days [cerebralpalsy.org]

Cerebral Hemorrhage

[…] sleep Lethargy Weak suck Seizures and other abnormal movements All babies born before 30 weeks should have an ultrasound of the head to screen for IVH. [medlineplus.gov]

reflexes Excessive sleep Lethargy Weak suck Fallen blood count It is recommended that infants born prematurely receive a routine cranial ultrasound between 7 and 14 days [cerebralpalsy.org]

The most common symptoms seen in premature infants include: Breathing pauses (apnea) Changes in blood pressure and heart rate Decreased muscle tone Decreased reflexes Excessive [medlineplus.gov]

Brain Abscess

reflexes), sometimes attacks of Jacksonian epilepsy, often paresis or paralysis of cranial nerves (oculomotor, facial for the central type, abducent, trigeminal, sublingual [minclinic.ru]

reflexes in one eye. [medical-dictionary.thefreedictionary.com]

Pupil sizes, light reflexes, extra-ocular movements, and visual fields were normal. Cranial nerves and motor-sensor functions were unimpaired. [jmedicalcasereports.com]

Encephalitis

reflexes. [web.archive.org]

The disorder may have some symptoms similar to those associated with meningitis, such as a stiff neck, altered reflexes, confusion, and/or speech abnormalities. [rarediseases.org]

An altered LOC can lead to impaired airway protection reflexes that can result in aspiration pneumonia, causing hypoxia. [journals.lww.com]

Pernicious Anemia

Diagnosis Diagnosis of pernicious anemia is suggested when a blood test reveals abnormally large red blood cells. Many of these will also be abnormally shaped. [encyclopedia.com]

Symptoms include numbness, tingling, or burning in the arms, legs, hands, and feet; muscle weakness; difficulty and loss of balance while walking; changes in reflexes; irritability [encyclopedia.com]

Platybasia

Especially when associated with other ocular motor abnormalities but normal caloric tests, decreased head impulse vestibulo-ocular reflex gains suggest central vestibular [cambridge.org]

[…] peripheral vestibular lesion usually produces a positive head impulse response to the lesion side, our patient showed bilaterally decreased gains of the vestibulo-ocular reflex [cambridge.org]

Gaucher Disease

reflexes. [patient.info]

In addition to organomegaly and bony involvement, neurological involvement is present, including developmental delay and abnormal neurological findings - eg, increased tendon [patient.info]

Mass Lesion of the Brain

[…] pressure from any source) Abnormal red reflex in the eye (may be due to cataracts or retinoblastoma) Skull sutures not closing normally (due to brain tissue expansion or [emedicinehealth.com]

This exam tests reflexes, muscle strength, vision, eye and mouth movement, coordination, balance, alertness, and other functions. [cancer.org]

[…] fontanelle (where the skull has not yet closed - a soft, small area of thin membrane and skin covering the brain that can expand or bulge outward when the brain experiences abnormal [emedicinehealth.com]

Malaria

Motor abnormalities of tone and reflexes were also seen. [pubmedcentral.nih.gov]

They may exhibit flaccid muscle tone and abnormalities of the brainstem reflexes (oculocephalic, oculovestibular, pupillary and corneal). [doi.org]

Corneal and pupillary reflexes are usually intact. The plantar responses are extensor in about half of the patients. [pubmedcentral.nih.gov]

Lambert-Eaton Syndrome

The frequency of specific test abnormalities were the following: sudomotor function, 83%; cardiovagal reflexes, 75%; salivation, 44%; and adrenergic function, 37%. [neurology.org]

0030000 Progressive proximal muscle weakness 0009073 Reduced tendon reflexes 0001315 Xerostomia Dry mouth Dry mouth syndrome Reduced salivation [ more ] 0000217 30%-79% of [rarediseases.info.nih.gov]

No evident abnormalities were identified during the whole-body examination. [spandidos-publications.com]

Non-Dystrophic Myotonia

Female carriers (mothers of the patient) have generally calf hypertrophy, raised serum CK levels and abnormal EMG. [neuroweb.us]

Hypothyroid myopathy: This consists of action myospasm and myokymia and of precussion myoedema and slowness of both contraction and relaxation phases of tendon reflexes. [neuroweb.us]

Myotonia Congenita

In the hospital a diffuse muscular hypertrophy, myotonic phenomenon at the hands and absent tendon reflexes were present. [moh-it.pure.elsevier.com]

Absent CNS: Mental retardation IQ levels: 40 to 80 in 50%–90% of patients No progression Behavioral abnormalities: Hyperactivity attention deficit; Autistic behavior Most [neuromuscular.wustl.edu]

EEG was abnormal; CT brain scan was normal. Cerebral SPECT with 99mTc - HMPAO evidenced a reduced perfusion of the basal ganglia. [moh-it.pure.elsevier.com]