21 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC) Morphology ... Microangiopathic Hemolytic ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... #diagnosis #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology ... spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... coagulopathy (DIC) #RBC ... hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... ↑ LDH • Anti-RBC ... type ± C3d • Blood ... Antibody #Autoimmune #Hemolytic
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... 2) External (RBC ... 3) Internal (RBC ... Urobilinogen #Hemolysis ... Diagnosis #hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Autoimmune hepatitis, PBC ... • Bilirubin: RBC ... cardiac muscle, RBC ... • LDH: Heart, RBC ... #hepatology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
/uL Initial Workup ... : CBC with diff, ... reticulocyte count, LFTs ... ↑ Destruction (hemolysis ... #hematology #workup
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... hypertension • Unusual RBC ... acanthocytes - Consider RBC ... ARUPConsult @ARUPLabs #Hemolytic ... #workup #hematology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
• Bilirubin: RBC ... cardiac muscle, RBC ... • LDH: Heart, RBC ... #diagnosis #differential ... #Hepatology #transaminitis
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
(PBC) - Summary ... PBC Epidemiology ... 30-65 years PBC ... #diagnosis #workup ... #hepatology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... anemia, Intrinsic RBC ... Production #Index #hematology