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Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Limb ischemia • Aortic ... #pain #differential ... #diagnosis #lower ... #extremity #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... Syndrome - Low back pain ... and bilateral leg ... Commonly caused
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
of SIADH: Pain, ... • Start with lg ... With lower Na, you ... SIADH #Management #hyponatremia ... #nephrology #treatment
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... extremity, facial ... Reflexes: Arms or legs ... Hands or feet • Pain ... /constipation, hyponatremia
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... the upper and lower ... tract, and often causes ... diminished, or tender pulses ... extremities, upper extremity
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
< 30 years • Aorta ... arthralgia, arm/leg ... claudication, pulse ... Arteritis): • Aorta ... tract, and often causes
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
flexors of the legs ... or without back pain ... for brain and/or optic ... diagnosis #management #neurology ... #differential
Differential Diagnosis: New-Onset Seizure in the Elderly

STRUCTURAL:
 • Stroke/TIA, Subdural hematoma, mass
 • Traumatic Brain Injury
Differential Diagnosis ... may indirectly lower ... Patients with all ... cardiovascular causes ... seizures without EEG
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... stimulation to all ... Possible responses to pain ... wrists clenched; legs ... Casey Albin MD @