431 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
motor neuron (LMN ... In an LMN lesion ... positive Babinski reflex ... LMN lesions are ... #LMN #Muscleweakness
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
, LMN and brainstem ... atrophy, with pure LMN ... Increased Jaw Jerk reflex ... and LMN signs on ... EMG: LMN Signs in
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
lower extremities, LMN ... small band of LMN ... paraparesis (mixed UMN ... and LMN types) ... weakness (purely LMN
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
Bilateral LMN palsy ... differentiates this from an UMN ... fasciculations #LMN
Pediatric Primitive Reflexes - Maneuver and Ages

Palmar Grasp Reflex
 - Place your fingers into the baby's
Pediatric Primitive Reflexes ... Palmar Grasp Reflex ... Rooting Reflex ... Asymmetric Tonic Neck Reflex ... #Primitive #Reflexes
Hoffmann's Reflex on Physical Exam
The Hoffmann's reflex itself involves loosely holding the middle finger and flicking
Hoffmann's Reflex ... The Hoffmann's reflex ... positive Hoffmann’s reflex ... #Hoffmanns #Reflex ... clinical #neurology #UMN
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Infection • Neuro: UMN ... stroke, tumor), LMN
Positive Hoffmann's sign (finger flexor reflex) in a patient with Multiple Sclerosis

The Hoffmann's reflex test itself
(finger flexor reflex ... The Hoffmann's reflex ... positive Hoffmann’s reflex ... diseases, the reflexes ... Hoffmanns #Hoffmans #Reflex
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
#Proximal #MuscleWeakness
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Pupillary light reflex ... • Corneal reflex ... Oculocephalic reflex ... • Gag reflex ... • Cough reflex