36 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Infected thrombosis, (e.g ... Lemierre's syndrome ... Malignancy: - Hematologic ... (e.g. autoimmune
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... - Vasculitis, e.g ... - Vasculitis, e.g ... #diagnosis #table ... #rheumatology #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... differential #diagnosis #hematology
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
• Nephrotic Syndrome ... • Tangier Disease ... Obstructive Liver Disease ... Increased Estrogen (e.g ... #PrimaryCare
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... Lymphoproliferative disorders (e.g ... Myeloproliferative disorders (e.g ... thrombocythemia), Autoimmune disease ... #treatment #hematology
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... structural heart disease ... carotid sinus syndrome ... further guide management ... and an initial ECG
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... - Tumor lysis syndrome ... High #Magnesium #Table ... #Causes #Management
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Systemic Diseases ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... Differential #Diagnosis #causes ... #primarycare #table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Medication side effect (e.g ... • Parkinson’s disease ... Medication side effect (e.g ... Classification #Table ... #Causes
Hepatorenal Syndrome (HRS) - Diagnostic Criteria
HRS-AKI (Acute: previously known as HRS Type 1)
 • ↑ Creatinine
Hepatorenal Syndrome ... nephrotoxics (e.g ... - No other cause ... of kidney disease ... of kidney disease