1257 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Auto-amplification loop Diagnosis ... • Clinical: fever ... , ↓ Fibrinogen level ... Lymphohistiocytosis #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess Pathophysiology ... : • 80% have fever ... decubitus - air fluid level ... Intervention: - Fevers
Complications of Measles: Pathogenesis and Clinical Findings
 • ADEM -> Fever, headache, neck stiffness, BBD, mental
Findings • ADEM -> Fever ... SOB, fatigue, fever ... N/V, elevated liver ... Complications #diagnosis ... signs #symptoms #pathophysiology
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
Ever had a #traveler come in to your clinic with #fever and you were not sure
Ever had a #traveler ... your clinic with #fever ... differentials #diagnosis ... infectiousdisease #fever
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
• Typhoid Fever ... • Drug Fever ... Typhoid Fever (S ... Dengue Fever NOTE ... #Dissociation #diagnosis
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
GCA is almost never ... /Symptoms: - Fever ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs