59 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

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

These rashes can be especially challenging and are
associated with devastating differential
/purpura with fever ... /purpura with fever ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... erythroderma, petechiae ... Ill-appearing, vital sign ... instability - New-onset fever ... #Dermatology #Rash
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 ... but without a fever ... #Diagnosis #Dermatology ... #Febrile #Fever
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
rapid and accurate diagnosis ... the presence of fever ... and systemic signs ... rashes into these classes ... ; #purpura; #rash
Practical Pediatric Viral Rash Algorithm

Child presenting with rash and current/ recent symptoms of viral illness but
Algorithm Child ... but is well with fever ... five days and no signs ... is the likely diagnosis ... #Viral #Algorithm
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
Scarlet fever • ... Pastia lines = petechial ... folds #Scarlet #fever ... #diagnosis #clinical ... #photo #signs #
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
Vesiculobullous Rashes - THE ALGORITHMIC ... and a fever may ... localized lesions and fever ... #Diagnosis #Dermatology ... #Algorithm #Differential
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... triad (<10%): fever ... , rash, eosinophilia ... Nephritis #AIN #Algorithm ... #nephrology #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... #Management #Hematology ... #Rheumatology