131 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
• Wrist Drop - Radial ... Benediction - Median ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... opp - C8, T1 (median ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Chronic Shoulder ... Pain - Differential ... Cross-arm shoulder ... #Pain #Differential ... Diagnosis #Algorithm #MSK
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Elbow Extension C7 Radial ... Fingers Flexion C8 Median ... #MuscleGroups #MSK
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... Paresthesia of 5th and medial ... awakening • Medial ... CubitalTunnel #Syndrome ... signs #symptoms #msk
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Medial Meniscus ... Handle Tear - MSK ... Truncation of the medial ... Differential diagnosis ... Radiology #diagnosis #msk
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Peripheral Causes - Differential ... • Cogan's syndrome ... toxicity • Otitis media ... Amy Chung, MD, MSc ... Peripheral #Causes #Differential
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Daytime Sleepiness - Differential ... Restless Legs Syndrome ... Hypoventilation Syndrome ... Medical/Psychiatric ... Parkinson's, MS)
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Polycystic Ovarian Syndrome ... • Cushing's Syndrome ... • Diazoxide Medical ... #Virilization #Differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... arthritis - (Reiter’s syndrome ... Erythematosus (SLE), should ... Joint #Disorders #msk ... #Differential #