11 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
neurotransmitter cause ... muscle atrophy, weakness ... cause very different ... 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
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
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 #
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
/paralysis - Weakness ... Non-compressive Spinal Cord Causes ... : Areflexia UMN ... plantar response LMN ... differential #algorithm
Babesiosis on Peripheral Smear
85 M from SE USA, hx splenectomy, IgG4 plasmacytic syndrome: F, chills, profound
Babesiosis on Peripheral ... chills, profound weakness ... NJ, CT, RI, MA, MN ... ARDS and DIC, case ... #Babesiosis #Peripheral