44 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
> 50x normal - Ischemic ... 2-5x normal - Hemolysis ... AST:ALT = 1 - Ischemia ... Viral Hepatitis, Ischemic ... #Injury #hepatology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... anemia" • HELLP ... syndrome • Catastrophic ... #diagnosis #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... spherocytosis, Hemolytic ... uremic syndrome ... key #diagnosis #differential ... #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... RBCs, muscle, liver ... hepatitis • Ischemic ... distinguishes ischemic ... injury • Demand ischemia
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... uremic syndrome ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... -100): • Non-hemolytic ... , CKD • Hemolytic ... Non-megaloblastic: Liver ... #Diagnosis #hematology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
of Severe Acute Liver ... Injury - Ichemic ... - Drug-Induced liver ... Acute #Causes #Differential ... #Hepatology #Diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... RBC #Morphology #differential ... #diagnosis #hematology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Tests (LFTs) - Differential ... injury) • Ischemic ... #Tests #LFTs #Differential ... #Diagnosis #hepatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... • Bleeding • Hemolysis ... Renal Disease, Liver ... Reticulocytosis • Liver ... Algorithm #Causes #Hematology