1458 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
after the cold exposure ... symptoms - Headache, fever ... #rheumatology #comparison
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
from repeated exposure ... known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... PrathitKulkarni #Erythemas #comparison
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
Fever in the Returning ... Traveler - History Exposure ... water: entenc fever ... and body fluid exposure ... and rabies post-exposure
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... Mountain spotted fever ... , Drug fever
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Continuous Fever ... (Step ladder: fever ... Intermittent Fever ... or no fever
Fever in Returning Traveler - ABCDE Mnemonic
A - Adventure - Where did the patient travel? 
B
Fever in Returning ... Undifferentiated fever ... E - Exposure History ... Consumption, Water Exposure ... @ID_fellows #Fever
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Following are comparisons ... background radiation exposure ... #CT #Nuclear #Comparison
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning ... History: • Skin exposure ... leptospirosis • Exposure ... Symptoms: • Fever ... liver, Dengue fever
CMV vs EBV - Mononucleosis
Acute CMV Infection:
 • Asymptomatic (most common)
 • Infectious mononucleosis (fever/chills, malaise)
mononucleosis (fever ... , malaise) • Fever ... common EBV • Fever ... Mononucleosis #diagnosis #comparison
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... Mountain spotted fever ... , Drug fever