71 results
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 ... #Causes #Hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Rare • Drugs (e.g ... Coagulation #Bleeding ... #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Differential Diagnosis Algorithm ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... 80-100 fL) • Bleeding ... Chronic Disease (e.g ... #Causes #Hematology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... hypovolemia • Bleeding ... Uosm < 100 mmol/kg ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... hypovolemia • Bleeding ... Uosm < 100 mmol/kg ... #Causes
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Differential Diagnosis Algorithm ... Iron Deficiency (Eg ... Other • e.g ... HgbE, HgbC, etc. ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- History of bleeding ... epistaxis, gingival bleeding ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... #Workup #hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Differential Diagnosis Algorithm ... Solid Tumour (e.g ... Differential #Diagnosis #Algorithm ... #Causes #Hematology