47 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Drugs (antibiotics ... e.g., sulfonamides ... #Differential #Diagnosis ... #Dermatology #SkinRash
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
, venlafaxine Antibiotics ... #Medications #Causes ... #differential #diagnosis ... #pharmacology # ... table
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
malnutrition, Antibiotics ... Malabsorption (e.g ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... Drugs (Beta lactam antibiotics ... Extravascular #Causes ... #hematology #anemia
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess - Clinical ... once stable - ... • Vasculitis (e.g ... #differential #causes
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... - Differential Diagnosis ... HgbE, HgbC, etc. ... #Differential #Diagnosis ... #Hematology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... mentagrophytes) Clinical ... Lymphadenopathy Treatment ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... Warm compresses, antibiotic ... eyedrops, surgery #Clinical ... #Diagnosis #Management ... Chalazion #Comparison #Table
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... glucocorticoid treatment ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... non-essential drug/HDS treatments ... for alternative causes ... Liver #Injury #Diagnosis ... #Algorithm #hepatology