5785 results
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
Calculating a Reticulocyte ... Index (RI) Reticulocyte ... Index = Absolute Reticulocyte ... Count = % of reticulocytes ... RPI #hematology #diagnosis
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
- Differential Diagnosis ... peripheral smear, reticulocyte ... Differential Diagnosis ... Production (↓ reticulocytes ... #Differential #Diagnosis
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Reticulocyte count ... Corrected reticulocyte ... count OR reticulocyte ... Anemia #Algorithm #Diagnosis
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... labs: CBC, BMP, Reticulocytes ... schistocytes > 1% • ↑ Reticulocyte ... #Differential #Diagnosis
Isolated Hyperbilirubinemia - Differential Diagnosis Algorithm
Direct Hyperbilirubinemia: Dubin-Johnson Syndrome, Rotor Syndrome
Indirect Hyperbilirubinemia: 
 - Trauma, Hematoma,
- Differential Diagnosis ... , Haptoglobin, Reticulocyte ... , Haptoglobin, Reticulocyte ... #Differential #Diagnosis
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
peripheral smear, a reticulocyte ... specifically order a reticulocyte ... likely cause if the reticulocyte ... elevation in the reticulocyte ... #Diagnosis #Macrocytosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... of: Decreased Reticulocytes ... Normal / Decreased Reticulocytes ... Destruction - Increased Reticulocytes ... #Differential #Diagnosis
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Extravascular Hemolysis Reticulocytes ... Testing #workup #diagnosis
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Reticulocyte Production ... days) it takes a reticulocyte ... EricsMedicalLectures/ #Reticulocyte ... #differential #diagnosis
General Approach to Anemia - Differential Diagnosis Framework
1) Check reticulocyte count to determine if hypo/hyper-proliferative
2) Exclude
- Differential Diagnosis ... Framework 1) Check reticulocyte ... #differential #diagnosis ... hematology #algorithm #reticulocyte