43 results
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
the Mnemonic "no skin ... dermatology-mnemonics-6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
LcSSc) - distal skin ... DcSSc; diffuse) - skin ... changes): skin ... #signs #symptoms ... #testing #workup
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... organ-specific signs ... , skin or esophageal ... #Differential # ... diagnosis #hematology
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Acute onset of skin ... >2 of: • skin ... Signs / Symptoms ... #immunology #diagnosis ... #signs #symptoms
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Algorithm. ... Pathophysiology: ... of germinative skin ... Basophils/Histamine 4) Skin-homing ... #Differential #
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... Diagnosis Algorithm ... number (probable) Skin ... normal #Pregnancy #skin ... #Diagnosis #Algorithm
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... Ill-appearing, vital sign ... sulfa-drug - Skin ... #Differential #
CREST Syndrome: Pathogenesis and Clinical Findings

CALCINOSIS (BB-sized, hard nodules in fingers)
RAYNAUD'S Phenomenon
ESOPHAGEAL DYSMOTILITY
SCLERODACTYLY (thickening and tightening
tightening of skin ... CREST #Syndrome #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
Erythematous Rashes - THE ALGORITHMIC ... redness of the skin ... staphylococcal scalded skin ... , the differential ... Febrile #Fever #Differential
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... 2) Presence of symptoms ... status (edema, JVD, skin ... drug history #Diagnosis ... #Algorithm #Ddxof