14 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... " on lateral x-ray ... "pooping duck sign ... " on lateral x-ray ... #XRay #Diagnosis
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
of Peripheral Weakness ... Diagnosis Algorithm ... Compression: • Carpal ... Tunnel • Ulnar ... #Sensory #Neurology
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
injury to the lateral ... thumb injury to ulnar ... Terry thomas sign ... #differential # ... diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... boggy" joints, esp carpal ... Boutonniere's ulnar ... RheumatoidArthritis #RA #pathophysiology ... #diagnosis
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
sclerosis Pathophysiology ... Causes progressive weakness ... bulbar region, Weakness ... conditions listed in differential ... #Sclerosis #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
C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar ... Hamstring Reflex S1 Lateral ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Lack of UMN/LMN signs ... dystrophies Work ... Diagnosis #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
AND lower facial weakness ... ophthalmoplegia), systemic signs ... and Workup: • ... No additional workup ... Management #Treatment #Neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... of knee due to laterally ... Trendelenburg #Gait #pathophysiology ... causes #symptoms #signs ... #diagnosis #msk