48 results
Proposed Algorithm for Diagnosing Sarcoidosis
Highly suggestive Clinicoradiological Findings → Clinical diagnosis (without biopsy) e.g. Löfgren's syndrome
Suggestive
without biopsy) e.g ... Löfgren's syndrome ... and/or cytology (e.g ... of alternative causes ... #diagnosis #Workup
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Drugs (antibiotics e.g ... Contraceptives Sarcoidosis ... or Lofgren's syndrome ... #Differential #Diagnosis ... #Dermatology #SkinRash
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... Erythematosus • Sarcoidosis ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... inflammatory disorders (e.g ... autoimmune, TB, sarcoidosis ... Myelodysplastic syndrome ... #Causes #hematology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Infected thrombosis, (e.g ... Lemierre's syndrome ... Malignancy: - Hematologic ... Inflammatory Diseases (e.g ... FUO), Sarcoidosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... #Hematology
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
bilirubin production (eg ... uptake and storage (eg ... (eg, spirochetal ... , cholangitis, sarcoidosis ... Classification #diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... #hematology #anemia
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... . sarcoidosis, histiocytosisX ... - Medications (e.g ... renal diseases (e.g ... #Table #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... function test, ANA (e.g ... #Causes #Workup ... #hematology