59 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
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
staphylococcal scalded skin syndrome ... , the differential ... and toxic shock syndrome ... #Diagnosis #Dermatology ... #Differential
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Manifestations of Serotonin Syndrome ... sounds, RUQ pain • Dermatologic ... : Tachycardia, Fever ... #Symptoms #spectrum ... #signs #diagnosis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Differential Diagnosis ... diseases, Toxic shock syndrome ... , DRESS, Sweet syndrome ... #Rash #Differential ... #Diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... Kasabach-Merritt syndrome ... #Diagnosis #hematology ... #nonpalpable #dermatology
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
Stevens Johnson Syndrome and Toxic Epidermal Necrolysis - Causative Medications 
and Level of Suspicion 

High Risk:
Antigout:
Stevens Johnson Syndrome ... Medications and Level ... , piroxicam #Differential ... Epidermal #Necrolysis #Dermatology ... #Diagnosis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
levels, greater level ... less systemic symptoms ... , holster sign, ... anti-synthetase syndrome ... #rheumatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Generalized Differential ... Diagnosis Algorithm ... Myelodisplastic syndrome ... #generalized #dermatology ... Diagnosis #Algorithm
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... Symptomatic anemia Diagnosis ... if neutropenic fever ... management #treatment #hematology