18 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Syndrome (CAS): ... Diagnosis: • hemolytic ... anemia • Cold ... Blood smear - RBC ... #anemia #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... . primary cold agglutin ... • Intrinsic RBC ... #hematology #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Agglutination - Cold agglutinins ... #Anemia #Differential ... #workup #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... PD deficiency, Pulmonary ... uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
is the diagnostic ... result in severe anemia ... schistocytes, nucleated RBCs ... anemia Indirect ... #Workup #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
extravascular) hemolysis ... athletic training, Pulmonary ... Gastrectomy, WHDA syndrome ... diet, Alcoholism, Tea-toast ... Algorithm #ferritin #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... concentrations in: RBCs ... Legionnaires disease • Pulmonary ... • Tumor lysis syndrome ... #differential #diagnosis
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
- CHF - Pulmonary ... Serum PO4 -> decr RBC ... -DPG -> - hemolysis ... - anemia ... #diagnosis #pathophysiology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Elevation of ALP • Near ... (hemolysis) • ... • Gilbert's syndrome ... liver #chemistry #diagnosis ... #differential #Hepatology