1978 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... APLS • Acute Infectious ... - Neisseria meningitidis ... Differential #Diagnosis #hematology ... #rheumatology #
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Disseminated Infections ... pulmonary symptoms • Rheumatologic ... pulmonary, systemic or meningitic ... (~40%) • Meningitis ... Invasive Disease: • Meningitis
Summary of Infections in which Steroids play a role in treatment
 • TB meningitis
 • TB
Summary of Infections ... treatment • TB meningitis ... • Pneumococcal meningitis ... (IRIS) (not an infection ... • Eosinophilic meningitis
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Sepsis • Non-infectious ... (malignancy, rheumatologic ... causes #Platelets #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... fibromyalgia) • Infections ... PAC • Aseptic meningitis ... Erythematosus #Diagnosis #Rheumatology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Connective Tissue, Infections ... Lymphocytosis: Infection ... Lymphocytopenia: Infections ... • Neutropenia: Infections ... Diagnosis #causes #hematology
Findings in Cerebrospinal Fluid in Different Causes of Meningitis

#CSF #Fluid #Analysis #Interpretation #Meningitis #Normal #Bacterial #Viral
Different Causes of Meningitis ... Interpretation #Meningitis ... Table #Diagnosis #Infection
Adjuvant therapies in critical care: steroids to treat infectious diseases
 - Severe Community Acquired Pneumonia
steroids to treat infectious ... - Bacterial meningitis ... - Tuberculous meningitis ... InfectiousDiseases #Infections
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Organ Specific Infection ... Respiratory Tract Infection ... Urinary Tract Infection ... Pyelonephritis • Meningitis ... • Skin Infection
Bacteremia - Signs of Bacteremia, Risk by Infection Type
CAP 7% 
Cellulitis 2% 
Community- onset fever (req.
Bacteremia, Risk by Infection ... Acute bacterial meningitis ... Signs #LR #Risks #Infections