11 results
Rubella (German Measles)
Rubella, also called German measles, often presents with a mild febrile illness with a
presents with a mild febrile ... with a diffuse maculopapular ... rash, generalized ... • Low grade fever ... lymphadenopathy #Rubella #Peds
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... Maculopapular ( ... Desquamative: Scarlet fever ... Questions @WuidQ #Fever ... #Rash #Febrile
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
Vesiculobullous Rashes - THE ALGORITHMIC ... these rashes as febrile ... and a fever may ... localized lesions and fever ... #Algorithm #Differential
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
- THE ALGORITHMIC ... macule and papule (Table ... appear toxic and febrile ... have a wide differential ... #Rash #Algorithm
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 ... disease, scarlet fever ... but without a fever ... #Febrile #Fever
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Diagnostic Algorithm ... instability - New-onset fever ... #Maculopapular ... #Differential #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... medication Febrile ... #Differential #
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
petechiae/purpura with fever ... petechiae/purpura with fever ... the patient is afebrile ... petechial or purpuric rash ... Purpural #Purpuric #Rash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... #differential #
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... pus • Material composed ... Generalized itchy rash ... Pustules + Fever ... pustulosis • Febrile