9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... Anterior Shoulder Dislocation ... - May cause axillary ... regimental badge" anesthesia ... sensory #motor #arm #physicalexam
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... albumin-cytologic dissociation ... Differential diagnosis ... hyperreflexia, multiple lesions ... hyperreflexia, spinal cord lesion
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
- Differential ... • Sprain • Dislocation ... • Sprain • Dislocation ... #MSK #Differential ... #Orthopedics #Causes
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... anterior shoulder dislocation ... Differential diagnosis ... shoulder #clinical #mri ... Radiology #diagnosis #msk
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... Case description ... surgical repair Differential ... #clinical #mri ... Radiology #diagnosis #msk
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
POTENTIAL CAUSES ... →3-5) Toxins Tension ... (→ 3-2) By Association ... CardiacArrest #Checklist #Differential ... #Anesthesiology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... fracture - Patellar dislocation ... diagnosis #msk # ... physicalexam
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Transient Patellar Dislocation ... : • Lateral dislocation ... Differential diagnosis ... Transient #Patellar #Dislocation ... knee #clinical #mri
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
Differential diagnosis ... tendon subluxation/dislocation ... osteochondral lesions ... tubercle #clinical #mri ... Radiology #diagnosis #msk