9 results
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Fragmentation - MAHA: TTP ... HELLP - Grafts, Valves ... Defects: Sickle cell ... anemia, Thalassemias ... Haptoglobin ↓ - Lactate
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... microangiopathies (TMA) - TTP ... organ or stem cell ... macroangiopathic hemolytic anemia ... Catastrophic APLS BCM IM
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Diagnosis Algorithm ... • Sickle cell ... immune-complex hemolytic anemia ... • MAHA (TTP ... Prosthetic heart valves
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... If the value is ... elevation Serum lactate ... WBC count and differential ... #Workup #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Hyperbilirubinemia • Elevated lactate ... malignancies - B-cell ... younger pts) Differential ... Disorders Such As ... sensitize red blood cells
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
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Thrombocytopenia (ITP ... Workup: • Complete ... blood count with differential ... Myelodysplastic #Syndromes #diagnosis
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... dysfunction • PSC ... malignancy • Lactase ... appendages • FMF ... Chronic #Causes #Differential
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
Diagnosis? ... • No CRAB - no anemia ... lytic lesions • Lactate ... myeloma Diagnostic ... #Workup #Hematology