61 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Non-infectious ... : ß-blockers, CNS ... #differential # ... infectiousdiseases #table
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Bradycardia • Infectious ... , Typhoid fever, ... • Non-Infectious ... , CNS lesions, Lymphomas ... #bradycardia #differential
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
INCREASES 8-10 BPM INFECTIOUS ... Beta Blockers • CNS ... CLINICAL UTILITY ... the most likely infection ... help hone your differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... should be based on clinical ... • Symptoms: Fever ... • Symptoms: Fever ... #Infections #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Failure - Differential ... Tissue penetration (CNS ... SJS, DIHS, drug fever ... Antibiotic #Failure #Differential
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Arrhythmias - Differential ... Anemia • Fever ... /infection ... #Arrhythmias #Cardiology ... #Differential #
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Diptheria • Typhoid fever ... Acute rheumatic fever ... Psittacosis • Q fever ... • Yellow fever ... #cardiology #BRADI
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... , wt loss; CV, CNS ... , skin • Infectious ... Travel hx, food hx; Fever
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... coagulopathy, decreased level ... infection: fever ... thrombophilia, neurologic ... Dangerous #Deadly #Differential