454 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 ... HSV, EBV, HIV, HepB ... , HepC Bacterial ... Nodosum #Mnemonic #Causes
Hepatitis B Typical Serologic Course of Progression to Chronic HBV Infection

#Diagnosis #HBV #HepB #HepatitisB #SerologicTesting #Antigens
Diagnosis #HBV #HepB ... Antigens #Antibody #Levels
Management of Chronic Hepatitis B

To use this table, match the HBeAG status (left), ALT level (top),
status (left), ALT level ... ), and HBV dna level ... #HepatitisB #HepB
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Causes of Hyperferritinemia ... Decreased hepcidin levels ... will cause increased ... Most Common Causes ... 1% Most Common Causes
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Instead, pause, ... Check a level. ... ramping up EPO levels ... about secondary causes
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Causes of Secondary ... Viruses: HIV, CMV, Hep ... #Nephropathy #Causes
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
: Most Common Cause ... Adrenalitis Other causes ... Causes of Secondary ... and a cortisol level ... minutes Cortisol level
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Low serum IgG level ... apart (unless levels ... Monitor trough levels ... to ensure serum levels ... DDX - Other causes
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
suspected) • In case ... Insufficient blood levels ... • Special cases ... #pharmacology #levels
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... below the level ... infarction which can be caused