11 results
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Transfusion Reaction ... High mortality. ... #diagnosis #management ... #hematology #reactions
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... reaction, Paroxysmal ... Extravascular #Causes ... #hematology #anemia
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Elevation == Decreased ... Hypertriglyceridemia • Uremia High ... blood loss • Hemolytic ... #Decrease #Diagnosis
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Transfusion Reaction ... Transfusion Reaction ... High mortality. ... #diagnosis #management ... #hematology #reactions
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... phlebotomy High ... reactions Common ... reaction - Tumor ... #causes #potassium
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... prosthetic valve • Transfusion ... reactions ex. ... #hematology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... phlebotomy High ... reactions Common ... reaction - Tumor ... #causes #potassium
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Reactions TRALI ... , female of high ... without other cause ... #Reactions #hematology ... #diagnosis #comparison
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... glycosides • High ... intake • Blood transfusion ... of injection Decreased
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... DIC/TTP/HUS - Hemolytic ... Fragility: • Decreased ... fever • Drug reactions ... #Differential #Diagnosis