30 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... #Differential #Diagnosis ... #Dermatology #SkinRash
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Differential Diagnosis ... - Water - Pus ... Hepatopulmonary syndrome ... Barre - ALS - Transverse ... myelitis • Hematology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... and Management ... old, ~10,000 new cases ... Myelodysplastic #Syndrome ... #hematology #oncology
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis ... #Management
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Kasabach-Merritt syndrome ... deficiencies - PNH ... #hematology #rheumatology ... #nonpalpable #dermatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... ) - HELLP syndrome ... hemoglobinuria (PNH ... #hematology #anemia
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Muehrcke's Lines - Transverse ... • Nephrotic syndrome ... Systemic #Secondary #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
Causes of false- ... amyloidosis Other causes ... plasmacytoma, POEMs syndrome ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Scleromyxedema (CNS ... Amyloidosis (CVS+PNS ... Paraproteinemias #Hematology ... #Differential #Diagnosis ... #Oncology