27 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... includes Kawasaki disease ... , scarlet fever, ... #Febrile #Fever
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... Clinical triad: Fever ... cancers • Systemic diseases ... autoinflammatory diseases ... AdultOnset #Stills #Disease
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
and a fever may ... disseminated gonococcal disease ... hand-foot-and-mouth disease ... localized lesions and fever ... #Algorithm #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... • Rheumatic fever ... Sarcoidosis • Crohn's disease ... #rashes #differential
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
Pregnancy • Fever ... Rheumatic Heart Disease ... • Rheumatic Fever ... • Marfan's Disease ... • Rheumatic Fever
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
the population Disease ... Autoimmune diseases ... Lymphoproliferative diseases ... Insect stings Disease ... symptoms - Headache, fever
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Eosinophilic Lung Diseases ... initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... Eosinophilic #Lung #Diseases
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
of Acute Onset Fever ... Meningitis • Skin ... • Sickle Cell disease ... • Drug fever ... #Fever #Acute
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia Cardiac Disease ... Infections: • Lyme disease ... • Chagas disease ... Acute rheumatic fever ... • Yellow fever
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or Haverhill fever ... early localized disease ... called "Bazin's disease ... so-called fifth disease ... #table #differential