14 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
form part of the differential ... However, in UMN ... muscle atrophy, weakness ... positive Babinski reflex ... @DharSaty #UMN
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Increased Jaw Jerk reflex ... combination of UMN ... evidence of both UMN ... conditions listed in differential ... Lateral #Sclerosis #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
- Differential ... Infection • Neuro: UMN ... stroke, tumor), LMN ... Diagnosis #causes ... #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... Forehead involved = Peripheral ... #Differential # ... #Causes #neurology
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Sensory Changes - Differential ... Diagnosis Algorithm ... #Neurology #Differential ... #Causes
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... Diagnosis Algorithm ... #Neurology #Differential ... #Causes
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Diagnosis Algorithm ... #Weakness #Neurology ... #Differential # ... #Causes
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lesions Of The Peripheral ... Gravis - Lack of UMN ... /LMN signs - Lack ... #Differential #
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... : Areflexia UMN ... plantar response LMN ... disorders #diagnosis #neurology ... #algorithm
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Floppy Newborn) - Differential ... Diagnosis Algorithm ... Strength, Normal Reflexes ... #Causes #Peds #