44 results
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Changes - Differential ... Myopathy - Proximal muscle ... elevated CK #Peripheral ... #Neurology #Differential
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Radiculopathy: Signs ... can happen) • Muscle ... reflexes (at those muscles ... intense, 10/10) • Sensory ... Radiculopathy #MSK
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
- Patient with knee ... of patella then ask ... the quadriceps muscle ... - Positive sign ... Patellofemoral #msk
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... Changes - Differential ... #Weakness #Sensory ... #Neurology #Differential
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Weakness without Sensory ... Changes - Differential ... Myopathy - Proximal muscle ... #Weakness #Neurology
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Spinal cord - Peripheral ... junction - Muscle ... nerve - Muscle ... Neuromuscular #Weakness #Differential ... #Neurology #Causes
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous Peripheral ... to make the OK sign ... #Injury #OK #Sign ... #physicalexam #msk ... #sports #neurology
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal Muscle ... • Central or peripheral ... neurologic disease ... mimics #diagnosis #differential ... #causes #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Levels Spinal Root Sensory ... Dermatomes Abdominal Muscles ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Weakness - Differential Diagnosis Framework

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