26 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Examination: • Signs ... #Differential # ... Diagnosis #dermatology
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
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... Inflammation (e.g., fever ... chest pain) and signs ... #Pulmonolary
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Consolidation #Differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... papilledema • Horner ... • Meningeal signs ... Systemic symptoms and signs ... (e.g., fever, myalgia
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Diagnosis Algorithm ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Ill-appearing, vital sign ... instability - New-onset fever ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... • Louse-borne ... Brucellosis Faget's Sign ... #Patterns #Differential ... #Diagnosis #intermittent
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... without localizing signs ... melioidosis, typhoid, pulmonary ... #diagnosis #tropical
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
hair follicles -> Alopecia ... pleural effusion on CXR ... interstitial lung disease/pulmonary ... pathophysiology #signs ... #symptoms #diagnosis