21 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... New-onset fever with rash ... #Diagnosis #Dermatology ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... the Nikolsky sign ... , the differential ... fever or Nikolsky sign ... #Diagnosis #Dermatology
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
febrile have a wide differential ... rashes but without signs ... have a broader differential ... #Diagnosis #Dermatology ... Central #Peripheral #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... • Extremes of age ... Fecal occult blood test ... • Serology for ... Algorithm #Causes #dermatology
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
false positive tests ... 88 = age adjusted ... Ddimer #dimer #pathophysiology ... #hematology #differential ... #adjusted
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 ... -74%] • Blood tests ... #rheumatology #dermatology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
thus symptoms are ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK #pathophysiology ... #differential # ... diagnosis #signs
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Epidemiology: - Bimodal age ... life-threatening Differential ... - Cogan sign ... - Peek sign 2. ... diagnosis #management #neurology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... systemic sx + signs ... systemic complaints- anemia ... the “Chewing gum test ... GCA #Temporal #Signs
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Arboviruses: - West ... Maculopapular rash ... Acute meningeal signs ... • Uveitis • Rash ... #diagnosis #neurology