112 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
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
exertion • Neurologic ... neuropathies • Skin ... dysrhythmias • Ophthalmologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
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 ... /mucosal symptoms ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic ... Pathophysiology: ... of germinative skin ... Basophils/Histamine 4) Skin-homing ... Nikolsky #Algorithm #Differential
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... sulfa-drug - Skin ... Immunocompromised #Diagnosis ... Targetoid #Algorithm #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 ... Pseudohyponatremia #Differential
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... glucocorticoid treatment ... (eg, skin or esophageal ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Lyme Disease: Clinical diagnosis. Likely if recent hiking, travel to endemic area, erythema migrans (EM), an
Disease: Clinical diagnosis ... Treatment is doxycycline ... disease involving skin ... #Diagnosis #LymeDisease ... #Symptoms #Early
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... injury) • Neurologic ... retinal damage) • Skin ... test (this is a skin ... Arthritis, AS Treatment
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