24 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
neurotransmitter cause ... However, in UMN ... muscle atrophy, weakness ... This lesion causes ... the spinal cord, peripheral
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Differential Diagnosis Algorithm ... • Motor Neuron ... elevated CK #Peripheral ... #Causes
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... and LMN signs in ... and LMN signs to ... and LMN signs on ... EMG: LMN Signs in
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Differential Diagnosis Algorithm ... Disease Motor Neuron ... infection #Peripheral ... #Causes
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... Forehead involved = Peripheral ... AnnKumfer #Facial #Weakness ... Differential #Diagnosis #Algorithm
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... Differential Diagnosis Algorithm ... #Weakness #Sensory ... #Causes
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Upper Motor Neuron ... Lesions Of The Peripheral ... Gravis - Lack of UMN ... /LMN signs - Lack
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Hypothyroidism Peripheral ... Neuromascular Weakness ... #Causes #Pulmonary
Spinal Cord Disorders - Differential Diagnosis Framework

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