136 results
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... Still's disease ... Hyperferritinemia #Algorithm ... #Differential #Diagnosis ... #Hematology
Complement Deficiency Testing Algorithm
 • Normal CH50 and AH50 AND High suspicion for complement deficiency
 •
Complement Deficiency ... Testing Algorithm ... #Deficiency #Testing ... #Algorithm #hematology ... #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... involvement: Anti-GBM Disease ... #differential #diagnosis ... #algorithm #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Algorithm Spurious ... disorders • Celiac disease ... #Differential #Diagnosis ... #Algorithm #Causes
"Recommended laboratory HIV testing algorithm for serum or plasma specimens. Based on: Centers for Disease Control
algorithm for serum ... on: Centers for Disease ... for the Diagnosis ... #HIV #CDC #Diagnosis ... #Algorithm #InfectiousDisease
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... Algorithm • Sickle ... #Differential #Diagnosis ... #Algorithm #workup ... #hematology #testing
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function Testing ... Interpretation Algorithm ... Pulmonary #Function #Testing ... Interpretation #Algorithm ... #diagnosis #asthma
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
Von Willebrand disease ... VonWillebrand #disease ... #hematology #algorithm ... #diagnosis
Ammonia Levels & Hepatic Encephalopathy in Patients with Chronic Liver Disease 
Choosing Wisely: Things We Do
Chronic Liver Disease ... ammonia-levels-and-hepatic-encephalopathy-patients-known #Ammonia #Testing ... HepaticEncephalopathy #TWDFNR #Diagnosis ... #Hepatology #EBM
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... post infectious setting ... temperatures by fixing complement ... hemolytic #anemia #hematology ... #diagnosis