2170 results
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
- Differential Diagnosis ... • Headache • Fever ... • Common clinical ... meningeal signs (fever ... #differential #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... ALT ↑ bilirubin level ... Activation #Syndrome #Diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... accumulation of clinical ... Assessment • Clinical ... : fever +++, hepatosplenomegaly ... , ↓ Fibrinogen level
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... : • 80% have fever ... decubitus - air fluid level ... Intervention: - Fevers
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... with cough and fever ... with low oxygen level ... #Clinical #Diagnosis
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia Clinical ... Presentation: • Fever ... recurrent infections/fevers ... index < 2 • EPO Level ... oncology #hematology #diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Differential Diagnosis ... Continuous Fever ... (Step ladder: fever ... #Differential #Diagnosis
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... , Drug fever ... #differential #diagnosis
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning ... Frequent Differential Diagnoses ... Symptoms: • Fever ... , Dengue fever, ... #differential #diagnosis
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... , Drug fever ... #differential #diagnosis