154 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Micro: TB Viral ... #Differential # ... Diagnosis #Dermatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... → Refer to hematology ... Kawasaki, Nephrotic syndrome ... bacterial and viral ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Diagnosis Algorithm ... Infectious: • Acute ... #Causes #Hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Diagnosis Algorithm ... • Abscess • Viral ... Polycythemia vera Acute ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... - APLS • Acute ... #Diagnosis #hematology ... #nonpalpable #dermatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - Differential ... Diagnosis Framework ... • Viral: Measles ... Mono (EBV, CMV), Acute ... #Diagnosis #dermatology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... Acute Liver Injury ... liver injury - Viral ... #Causes #Differential ... #Hepatology #Diagnosis
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Thrombocytosis): • Acute ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
aspergillosis) - Viral ... Mastocytosis - Acute ... Hypereosinophilic Syndrome ... #Diagnosis #Causes ... #hematology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
eye, and ear Visual ... Inflammatory causes ... • Acute disseminated ... #differential # ... diagnosis