24 results
Iron Panel Interpretation

Iron deficiency - ↓ Iron, ↑-nl Transferrin / TIBC, ↓ Transferrin Saturation,  ↓
↓ Transferrin Saturation ... nl Transferrin Saturation ... ↓ Transferrin Saturation ... nl Transferrin Saturation ... #differential #hematology
Hematopoietic Stem Cell Lineage

#Hematopoietic #StemCell #Lineage #hematology #diagnosis #maturation
StemCell #Lineage #hematology ... #diagnosis #maturation
hematopoiesis - leukocyte maturation tree

- Amy Chung, MD, MSc @AmyChung 

#hematopoiesis #leukocytes #maturation #tree #pathophysiology #Hematology
hematopoiesis - leukocyte maturation ... hematopoiesis #leukocytes #maturation ... #tree #pathophysiology ... #Hematology #Progenitor
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
Reticulocyte Count / Maturation ... Index #RI #RPI #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythropoietin, O2 Saturation ... Secreting Tumor - O2 Saturation ... Hemoglobin - O2 Saturation ... Algorithm #Causes #Hematology
Erythropoiesis (RBC Production and Maturation)

Pluripotent hematopoietic stem cell → Proerythroblast (a.k.a. pronormoblast) → Erythroblast (a.k.a. normoblast)
Production and Maturation ... RBC #Production #Maturation ... #hematology #pathophysiology
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
Maturation proceeds ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc #parasite
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
x (Hct / 45) / Maturation ... Factor The maturation ... Production #Index #hematology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
proliferation and maturation ... endocrinology #pathophysiology
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
1.39 ml/g sO2 = % saturation ... apples = Hb O₂ saturation ... Delivery #Equation #pathophysiology