12 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Cold AIHA • PCH ... anemia • ... Prosthetic heart valves ... Algorithm #Causes #Hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Bilirubin: RBC (hemolysis ... cardiac muscle, kidneys ... #hepatitis #differential ... diagnosis #algorithm #hepatology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Drug-associated, PCH ... Defects: Sickle cell anemia ... Diagnosis #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... muscle, liver, and kidney ... anemia, PNH, immune ... - Prosthetic valves ... Dehydrogenase #Elevated #differential
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Chronic kidney ... disease, Hypothyroidism ... Microangiopathic hemolytic ... Production #Index #hematology ... #anemia #differential
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Injury ( AKI ) ... • Inflammatory disease ... Urethral stricture/valves ... Postrenal #Failure #Differential ... #Nephrology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs R-value ... of cholestatic disease ... Alcoholic liver disease ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemia • Cold ... younger pts) Differential ... #hemolytic #anemia ... #hematology #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... hallmark for the disease ... If the value is ... anemia Indirect ... WBC count and differential
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
leukocytosis, in vitro hemolysis ... Chronic kidney disease ... Chronic kidney disease ... injury F. ... #Hyperkalemia #Differential