18 results
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... AST): • US - Normal ... Ducts - PBC ... , PSC, Alcoholic
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH ... Liver Disease, PNH ... Laboratory Tests ... Blood Smear ↑ abnormal
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... HBV, HCV, HEV, EBV ... - If both are normal ... extrahepatic source - Tests ... injury #hepatitis #differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis - Differential ... Drug-induced AIHA - Abnormal ... Cold AIHA • PCH ... • PNH ... Extravascular #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... virus • CMV • EBV ... Arboviruses: - West ... Mildly decreased/Normal ... <40 mg/dL • Normal
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
aseptic meningitis), MCC ... pathognomonic laboratory tests ... Positive pathergy test ... is a skin prick test ... Behcet disease) Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Mycoplasma, EBV ... younger pts) Differential ... Hemoglobinuria (PCH ... • Diagnostic Test ... Donath-Landsteiner test
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
: Quantitative PCR ... pp65 antigenemia test ... Liver: Hepatitis, Portal ... AIDS #diagnosis #differential
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
presumed fecal-oral ... or oral-oral) ... (IgG) - cannot differentiate ... flagyl 500mg TID if PCN-allergy ... Ag, Urea Breath Test
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
very remarkable w/differential ... 50 in GCA, but normal ... the “Chewing gum test ... in literature (NEJM ... cases (Cornelia NEJM