13 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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- Differential ... • Sickle cell ... AIHA • PCH ... anemia • ... Prosthetic heart valves
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Autoimmune: Warm AIHA, Cold ... Defects: Sickle cell ... anemia, Thalassemias
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... - Drugs (Beta lactam ... Extravascular #Causes #differential ... #anemia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... anemiaCold ... Hyperbilirubinemia • Elevated lactate ... younger pts) Differential ... Disorders Such As
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... formerly known as ... organ or stem cell ... anemia" • HELLP ... Catastrophic APLS BCM IM
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold ... #Anemia #Differential ... #workup #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Elevated Lactate ... Dehydrogenase (LDH) - Differential ... Diagnosis Framework ... - Prosthetic valves ... #diagnosis #Laboratory
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... If the value is ... elevation Serum lactate ... WBC count and differential ... #Workup #Hematology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... e.g., uptake by cells ... www.ncbi.nlm.nih.gov/pmc ... to bolus these values ... 30mmHg) - Severe anemia
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... • Could potentially ... dysfunction • PSC ... malignancy • Lactase ... appendages • FMF