455 results
Hepatitis B Typical Serologic Course of Progression to Chronic HBV Infection

#Diagnosis #HBV #HepB #HepatitisB #SerologicTesting #Antigens
HepB #HepatitisB #SerologicTesting ... Antigens #Antibody #Levels
You’ll notice there is an IgM and an IgG core antibody. The presence of IgM anti-HBc
HepB #HepatitisB #SerologicTesting ... Antigens #Antibody #Levels
Hepatitis B Typical Serologic Course

#Diagnosis #HBV #HepB #HepatitisB #SerologicTesting #WindowPeriod #Antigens #Antibody #Levels #Serology #Recovery
HepB #HepatitisB #SerologicTesting ... Antigens #Antibody #Levels
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
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
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
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
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
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... measuring urinary K level ... diagnosis #algorithm #causes