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20 Possible Causes for Absent Primitive Reflexes

  • Hereditary Hyperekplexia

    It occurs as both sporadic and familial forms. [3] Persistent primitive reflexes, apneic spells, breath holding attacks, and exaggerated reflexes with normal cognitive and[] Major if there are neonatal hypertonia and generalized stiffness, jitteriness, and rhythmic spasms with exaggerated startle response and falls and minor if stiffness is absent[]

  • Cerebral Palsy

    […] deep tendon reflexes, or movement abnormality; or persistence of primitive reflexes or absence of protective reflexes; assessed by paediatrician or paediatric neurologist[] RCT: defined as presenting with 2 or more of the following three features: a delay of 30% or more in gross motor developmental milestones; abnormality in muscle tone, 4 or absent[]

  • McLeod Neuroacanthocytosis Syndrome

    All the primitive reflexes were absent. Sensory, cerebellar and autonomic system examination revealed no abnormality.[]

  • Asphyxia

    Severe symptoms of HIE include stuporous affect, flaccidness, absent primitive reflexes and seizures.[]

  • Semantic Dementia

    Neurological signs are usually absent early in the disease, although patients may display primitive reflexes.[]

  • Blepharophimosis

    primitive reflexes) 248700 Schwartz-Jampel syndrome Ptosis (intermittent), blepharophimosis, telecanthus, cataract Short stature Cartilage & skeletal anomalies Muscle hypertrophy[] […] syndrome AD Ptosis Short stature Heart defects Blood clotting deficiencies 163950 Marden-Walker syndrome AR Ptosis, blepharophimosis Growth retardation Neurologic defects (ID, absent[]

  • Nemaline Myopathy

    The disease caused additional neurological deficits (absent primitive reflexes, loose anal sphincter tone and areflexia of all extremities).[] Neurological deficits were observed; absent primitive reflexes (Moro, Babinski and grasping reflexes), loose anal sphincter tone and areflexia of all four limbs.[]

  • Simpson Dysmorphia Syndrome

    Hypotonia and absent primitive reflexes, a high-pitched cry in neonates, seizures, and abnormal EEG have all been described.[]

  • Humerus Trochlea Aplasia

    Reflexes. a. Developmental reflexes (primitive reflexes): should be elicited in the normal term infant.[] Note any exaggerated or absent responses. (1) Sucking reflex: gently stimulate lips; infant opens mouth and begins to suck.[]

  • Muscular Fasciculation

    […] to surroundings Profound generalized weakness Absent reflexes Causes of Central Hypotonia Hypoxic encephalopathy (19% of cases) Intracranial hemorrhage Perinatal trauma Infections[] reflexes Poor head control Characteristics of Peripheral Hypotonia (15-30% of cases) History : Normal sleep-wake patterns Feeding difficulties Physical Exam : Responds appropriately[] Seizures Delay in attaining normal milestones Physical Exam: Unable to track objects visually Fail to imitate facial gestures Lethargic Hyperactive DTRs, clonus, persistence of primitive[]

Further symptoms