111 results
Algorithm for the Evaluation of Weakness

- Dr. Tom Fadial @thame 

#Weakness #Algorithm #Evaluation #Diagnosis #Differential #Neurology
Evaluation of Weakness ... Tom Fadial @thame ... #Weakness #Algorithm ... Evaluation #Diagnosis #Differential ... #Neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
of Peripheral Weakness ... Sensory Changes - Differential ... No Objective Weakness ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Hypothyroidism – symptoms and signs.

Symptoms: 
Tiredness/malaise, 
Weight gain,
Anorexia,
Cold intolerance, 
Poor memory,
Change in appearance, 
Depression, 
Poor libido,
Myalgia, Muscle weakness ... Signs: Mental ... Carpal timel syndrome ... Myotonia, Muscular ... Symptoms #Diagnosis #PhysicalExam
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... #Causes #differential ... #diagnosis #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
of Peripheral Weakness ... Sensory Changes - Differential ... • Peroneal • Radial ... #Sensory #Neurology ... #Differential #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Acute stroke syndromes ... Paraneoplastic syndrome ... #Differential # ... Diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Medical Emergency ... claudication and weakness ... stopping walking (vascular ... Myotomes #diagnosis #neurology
Characteristic clinical manifestations of Down syndrome 
 
Typical craniofacial appearance 
 • Round face and flat
manifestations of Down syndrome ... disease Later medical ... secretory otitis media ... #Downs #Syndrome ... #PhysicalExam #
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Proximal Muscle Weakness ... or peripheral neurologic ... Myasthenia gravis • Muscular ... mimics #diagnosis #differential ... #causes #neurology