197 results
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Non-Infectious Causes ... Beta-blockers, CNS ... differential #diagnosis #causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... , Dengue fever, ... : ß-blockers, CNS ... #bradycardia #Causes
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
BPM INFECTIOUS CAUSES ... OTHER CAUSES ... Beta Blockers • CNS ... There are specific cases ... #differential #causes
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
pharyngeal erythema, fever ... pharyngeal erythema, fever ... replicates within CNS ... induces vascular & CNS ... CNS and hematologic
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV-Associated CNS ... • Symptoms: Fever ... • Symptoms: Fever ... Demyelinating disease caused
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... Further Workup • CNS ... Refer to your ‘Fever ... Returning Traveler’ algorithm ... Venous duplex or CTA
Measles (Rubeola) 
Clinical 
 • High fever 
 • Cough, Coryza, Conjunctivitis (The 3 C's)
Clinical • High fever ... Conjunctivitis (The 3 C's ... Pneumonia (most common cause
Causes of Hyperpyrexia (Temp > 106.7° F) - Differential Diagnosis
 • Heat Stroke
 • Drug-induced: Amphetamines,
Causes of Hyperpyrexia ... Thyrotoxicosis • CNS ... Differential #Diagnosis #Causes ... #high #fever
Whipple Disease (Tropheryma whipplei) - Diagnostic Algorithm

Whipple's disease suspected:
 • Arthralgias, weight loss, abdominal pain, diarrhea
) - Diagnostic Algorithm ... Unexplained progressive CNS ... cognitive deficits • Fever ... Disease #diagnosis #algorithm
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... 30% present w/ CNS ... @AnnKumfer #CNS ... differential #diagnosis #causes