19 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... the Nikolsky sign ... or Nikolsky sign ... #Diagnosis #Dermatology ... #Differential
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Further Workup • CNS ... thin smear • Signs ... duplex or CTA • Liver ... Liver biopsy • ... node biopsy • Clinical
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... Ill-appearing, vital sign ... instability - New-onset fever ... #Rash #Maculopapular ... #Differential #
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... liver blood tests ... derangement of liver ... symptoms/signs ... #Differential #
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
Shawl sign poikiloderma ... along with other signs ... RashDecisionz #Shawl #sign ... Dermatomyositis #Rash ... #Clinical #Photo
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
fatigue Heat Rash ... Muscles, Kidneys, Liver ... Rhabdomyolysis - AKI - Liver ... → Syncope • Signs ... tissue damage (AKI, Liver
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... disease and ILD • Liver ... Liver biopsies show
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
vulnificus part of normal ... sepsis: chronic liver ... #cellulitis #dermatology ... #legs #clinical ... #photo
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Maculopapular rash ... • Common clinical ... Acute meningeal signs ... • Uveitis • Rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... painless, no systemic signs ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand