14 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Dermatomes #Myotomes #diagnosis
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 ... Middle Finger Elbow ... Flexion None T1 Ulnar ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... distal radius or ulna ... Radiology #XRay #Diagnosis ... #Sports #MSK
Causes of Common Accidental and Non-Accidental Pediatric Fractures - Differential Diagnosis Algorithm
Accidental Trauma
 - Distal Radius
Causes of Common ... Diagnosis Algorithm ... Fibular Fracture - Elbow ... Skull, Spine, Ulna ... #Causes #Peds #
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... Diagnosis Algorithm ... silvery scale on elbows ... flat-topped) papules on wrists ... #causes
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
), is the must ulnar ... extends from the elbow ... ECU Subluxation diagnosed ... tendon, MRI or ultrasound ... relevant body parts
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
= nonspecific (nausea ... Antithrombin Ill • Ultrasound ... infiltration) Differential ... Diagnosis: Viral ... obstetrics #obgyn #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... flexed at the elbow ... Casey Albin MD @ ... neurology #comatose #diagnosis
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
and Management ... knees, fingers, wrist ... , elbow • Nocturnal ... Tophi on extensor elbows ... not possible • Ultrasound
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
nodes • Roth’s spots ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause ... #management #cardiology