Dr. Noah Spencer Rosenberg @noahsrosenberg
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Internal Medicine Resident at BIDMC - https://twitter.com/nsrosenberg
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Isolated Neutropenia - Differential Diagnosis Algorithm
Chronic (>3 months):
 • Extrinsic: Vitamins
 • Intrinsic: Congenital, Inflammatory
Transient:
 •
- Differential Diagnosis ... Algorithm Chronic ... #Differential #Diagnosis ... #Algorithm #hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
neutrophilic dermatosis Diagnosis ... opacities • Diagnosis ... • Differential Diagnosis ... Syndrome #APML #diagnosis
Approach to Platypnea-Orthodeoxia Syndrome 
Platypnea: dyspnea when sitting or standing
Orthodeoxia: sPO2 drops > 5% in upright
Orthodeoxia #Syndrome #diagnosis