9 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... Lower motor neuron ... form part of the differential ... diagnosis. ... Similarly, the damaged lower
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord ... - Causes progressive ... segment: Upper extremity ... , lower extremity ... conditions listed in differential
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Diagnosis Framework ... : CHF, valves, COPD ... stroke, tumor), LMN ... Polyneuropathy, ALS ... #Diagnosis #causes
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Causes: 1. ... - Transverse myelitis ... , lower extremity ... plantar response LMN
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... Diagnosis: • ... Spinal cord infarct ... • Transverse myelitis ... #diagnosis #causes
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 ... moves rapidly from lower ... Differential diagnosis ... Multiple Sclerosis: CNS ...  Transverse myelitis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Treat underlying cause ... replacement Cord ... compression: - Lower-extremity ... ) - Symptoms: CNS ... Oncology #HemeOnc #Diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
including the word ... classically on the lower ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology