577 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... It can also cause ... Reported cases associated ... : M. smegmatis group ... M. mucogenicum group
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 ... found in 60% of ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... Connective Tissue, Infections ... Lymphocytosis: Infection ... Differential #Diagnosis #causes ... #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... and non-hematologic ... malignancies • Infection ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... Acute: - Primary Neurologic ... demyelination), Infectious ... paraneoplastic syndromes ... Diagnosis #Algorithm #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious ... Varicella - Group ... Gardner-Diamond syndrome
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Differential Diagnosis Infectious ... viruses (25-45%) • Group ... Other bacteria: Group ... Acute Retroviral Syndrome ... Differential #Diagnosis #causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelofibrosis Infectious ... Non malignant hematologic ... Diagnosis #Algorithm #Causes ... #Hematology
Summary of Infections in which Steroids play a role in treatment
 • TB meningitis
 • TB
Summary of Infections ... pericarditis (select cases ... reconstitution inflammatory syndrome ... (IRIS) (not an infection ... • Ramsay Hunt syndrome
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Sepsis • Non-infectious ... Differential #Diagnosis #causes ... #Platelets #hematology