15 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... evaluation or workup ... neoplasms) • Screen also ... signs or symptoms (eg ... Disorders #Algorithm #Differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... procedures - Infection ... (CVID, WAS), (neurologic ... not required in all
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
requires special media ... but important causes ... special stains (e.g ... specific pathogens also ... Endocarditis #diagnosis #differential
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... is important, as ... neuropathy (LHON) plus MRI ... BEE #Syndromes #neurology ... noninflammatory #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... headache, altered mental ... Imaging: - MRI ... Demyelinating disease caused ... #differential #
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Neuro: altered mental ... Inflammatory: infectious ... O2 delivery • MI ... #criticalcare #differential ... #causes #classification
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... edema visualized as ... Reversible course Differential ... the underlying cause ... with AEDs until cause
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Neuro: altered mental ... Inflammatory: infectious ... O2 delivery • MI ... #criticalcare #differential ... #causes #classification
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... failure Diagnosis - Medical ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology