47 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... Diagnosis Algorithm ... Extrinsic RBC Defects ... Intrinsic RBC Defects ... : Membrane defects
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Diagnosis Algorithm ... Abnormal Hgb & Hgb Defects ... Hgb - Membrane Defects ... - RBC Enzyme Defects ... immune-complex hemolytic anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... , Other enzyme defects ... Unstable hemoglobin defects ... Glutathione metabolism defects
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
vessel vasculitis affects ... predominantly affects ... predominantly affects ... #Rheumatology #Differential ... Medium #Large #Classification
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary Defects ... - Differential ... Diagnosis Algorithm ... Pupillary #Pupils #Defects ... #Differential #
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... • Membrane defects ... #Differential # ... Diagnosis #causes #classification
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Non-immune: Membrane Defects ... Spiders - Enzyme Defects ... - Hemoglobin Defects ... : Sickle cell anemia
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Hypomagnesemia - Differential ... Diagnosis Algorithm ... Hypercalcemia-PTH effect ... ab • Genetics defects ... #Diagnosis #Algorithm
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... #MCV #Classification ... #Differential # ... Diagnosis #Algorithm
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Diagnosis Algorithm ... ITP • Rebound effect ... Iron deficiency anemia ... #Diagnosis #Algorithm