841 results
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
alter inflammatory cytokine ... GCA is almost never ... /Symptoms: - Fever ... Pathophysiology #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
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
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's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Psittacosis • Q Fever ... • Typhoid Fever ... • Drug Fever ... Typhoid Fever (S ... #Dissociation #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
pro-inflammatory cytokines ... hemophagocytosis and cytokine ... disease • Periodic fever ... - Nonremitting fever ... Activation #Syndrome #Diagnosis
Pathogenesis of Rheumatic Fever

Pathogenesis of rheumatic fever. 
1. GAS pharyngitis leads to antigenic presentation of pathogenic
Pathogenesis of Rheumatic Fever ... Pathogenesis of rheumatic fever ... infiltration leading to cytokine-mediated ... #Rheumatic #Fever
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
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... Endotoxins, Toxins, Cytokines ... BrighamChiefs #Fever ... Hyperthermia #comparison #diagnosis
PocketPEM - Pediatric Fever Workup #Diagnosis #Peds #EM #Fever #Pediatric #Fever #Workup #PocketCard #PocketPEM
PocketPEM - Pediatric Fever ... Workup #Diagnosis ... #Peds #EM #Fever ... #Pediatric #Fever