155 results
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
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Pronation - C7, C8 Wrist ... Erb's Palsy is caused ... Horner Syndrome Wrist ... Anterior Shoulder
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... capitate ("apple") should ... tea cup") which should ... , pain with wrist ... Orthopedics #Sports #MSK
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Differential Diagnosis ... Categorized by causes ... Cardiac, Pulmonary, MSK ... Pleuritic #ChestPain #Causes ... #Differential #
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 ... Radial Nerve Wrist ... #MuscleGroups #MSK
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
Low Back Pain - Differential ... Algorithm - Non-MSK ... #LowBackPain #Differential ... #Algorithm #Causes
Jaundice - Pathophysiology and Causes

- Amy Chung, MD, MSc @AmyChung 

#Jaundice #Pathophysiology #Differential #Unconjugated #Causes #Diagnosis
Pathophysiology and Causes ... Amy Chung, MD, MSc ... Pathophysiology #Differential ... #Unconjugated #Causes
Occult Causes of Non-Response to Vasopressors

vital disclaimer: the cognitive response to hypotension should not be reaching
Occult Causes of ... to hypotension should ... toxicologic - 2nd cause ... #Vasopressors #Differential ... #Causes #RebelEM
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... all carpal bones should ... box, pain with wrist ... #TerryThomas #Wrist ... Orthopedics #Sports #MSK