17 results
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
and Differential Diagnosis ... Algorithm Acute ... Lymphadenopathy, CNS ... Amy Chung, MD, MSc ... #Algorithm
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
Shoulder Abduction C5 ... Elbow Flexion ... Nerve Elbow Extension ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
Injuries by System: CNS ... ED arrival MSK ... Electricity #Evaluation #Diagnosis ... #Management #Emergency ... #Algorithm
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... fracture • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
> MCL), coronoid ... fracture • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior interosseous nerve ... syndrome • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... posterior interosseous nerve ... ligamentous injury (LCL ... Radiology #XRay #Diagnosis ... #Proximal #MSK
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Identification Algorithm ... epidermidis and CONS ... Cullen Lilley, MS ... identification #algorithm ... microbiology #bacteria #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
10-33% develop MS ... that results in CNS ... Predictive of MS ... brain and/or optic nerve ... #management #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... (CN 8) ... Mitochondrial disorders ... Noise trauma ○ MS ... #Differential #Diagnosis