3915 results
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Hyperacute: - Primary Neurologic ... Acute: - Primary Neurologic ... demyelination), Infectious ... Inflammatory, Infectious ... neurocognitive disease
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
or peripheral neurologic ... disease • Myasthenia ... Sarcoidosis • Infections ... Trichinosis - Lyme disease ... differential #causes #neurology
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Stages of Lyme Disease ... Early Lyme Disease ... Acute Disseminated Infection ... Cutaneous - Neurologic ... - Neurologic
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lymphoproliferative disease ... splenomegaly Other infections ... multiple lesions Infectious ... • Metastatic disease ... causes #radiology #neurology
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
of Severity of Disease ... Non-Emergent Causes CNS, neurologic ... Musculoskeletal Allergy Infectious ... disease Pulmonary ... differential #diagnosis #neurology
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... nodosa, SLE • Infectious ... Demyelinating #Diseases ... Diagnosis #causes #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis Framework

Ring Completeness
 • Incomplete: Demyelinating Disease
 • Complete (MAGIC):
Demyelinating Disease ... Glioblastoma - Infection ... Differential #Diagnosis #neurology
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Intracranial tumor • Infection ... Neurosyphilis, Lime disease ... , Whipple's disease ... Hypercalcemia, Cushing's disease ... diagnosis #causes #neurology
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
Congenital Heart Disease ... Disturbances Neurologic ... age-dependent) Infectious ... Respiratory Tract Infection ... Urinary Tract Infection
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Cardio-pulmonary disease ... Anemia • Chronic Infection ... • Endocrine Disease ... Dermatomyositis • Viral infection ... Peripheral #Weakness #Neurology