18 results
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... of Relative Bradycardia ... Babesiosis, Malaria, Leptospirosis ... #Dissociation #relative ... #bradycardia #differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... Babesiosis, Malaria, Leptospirosis ... #relative #bradycardia ... #Causes #differential
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Grouped by gram negative ... other as well as never ... #Infections #Microbiology ... #Micro #Differential
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... non-productive cough, nausea ... failure • Severe pulmonary ... #Leptospira #microbiology ... #diagnosis #treatment
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... • Leptospirosis ... Associated with Relative ... #Patterns #Differential
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Hyperkalemia Pulmonary ... Babesiosis • Leptospirosis ... #Bradycardia #differential ... #diagnosis #causes
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... patients with pulmonary ... OTHER RARE CAUSES ... Mediterranean fever ... may have false negative
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : • 80% have fever ... Intervention: - Fevers ... Lung #Abscess #pulmonary ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... transaminases • C-reactive ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... run-down or tired • Fevers ... Most Common Causes ... mycobacteria Treatment ... #differential #