10 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Screen for secondary ... causes of eosinophilia ... signs or symptoms (eg ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
attributable to eosinophilia ... with blood eosinophilia ... Secondary Causes ... #diagnosis #hematology ... #differential #
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... Diagnosis Secondary ... inflammatory disorders (e.g ... #hematology #secondary
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Lymphadenopathy - Differential ... • Infection (e.g ... Tularemia • Secondary ... #Hematology #Oncology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Hypersplenism • Secondary ... (e.g. ... #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Volume (MCV) - Differential ... 18% • Anemia Secondary ... #elevatedMCV #Differential ... #Hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Elevated Tryptase - Differential ... pass = Dangerous secondary ... Chronic & Rx-related Secondary ... ESRD & CAD • Eosinophilic ... #Diagnosis #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... halt nail growth (e.g ... NailDisorders #Systemic #Secondary ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Polycythemia Vera Secondary ... Polycythemia - Acquired Causes ... Paraneoplastic (e.g ... Diagnosis #Algorithm #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Constitutional disorders, eg ... drug reactions - Secondary ... #Neutropenia #differential ... #hematology