31 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Thrombocytosis): • Acute infection ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #hematology #secondary
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Vasculitis • Infection ... Foreign Surface (e.g ... #Hematology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Panhypopituitarism Treatment ... CRF) • Infection ... (e.g. ... Chronic UTI) • ... endocrinology #causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... • Malignancy Infectious ... • Drug Abuse (e.g ... Fatigue Syndrome
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... <35 years old, e.g ... • Functional (e.g ... Infiltrative lesions (e.g ... Stalk Damage (e.g
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Causes of Fat Malabsorption ... — PBC, PSC • Infection ... Cholestatic drugs- e.g ... - Acquired • Chronic ... • Short bowel syndrome
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Screen for secondary ... (common causes ... glucocorticoid treatment ... signs or symptoms (eg ... Differential #diagnosis #hematology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... diagnosis and treatment ... Non-inflammatory causes ... pachymeningitis • HIV ... skull neoplasms (e.g
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... halt nail growth (e.g ... discoloration) • Chronic ... • Nephrotic syndrome ... Diagnosis #Algorithm #causes
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
hypertension and/or drug treatment ... Constitutional disorders, eg ... Chediak-Higashi syndrome ... drug reactions - Secondary ... #hematology