76 results
Major Clinical Trials and Evidence Summary for Transfusion Thresholds in Critical Care

TRICC - NEJM 1999 -
Thresholds in Critical ... blood is a liquid ... Blood saves lives ... unnecessary and cause ... #Thresholds #Hematology
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Elevation == Decreased ... turnover • Acute blood ... loss • Hemolytic ... #DM2 #Differential
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... Transfusion Thresholds ... Causes purpura & ... TRALI): Leading cause ... more likely to cause
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
and Extrinsic Causes ... autoimmune (most of the causes ... , hemolytic transfusion ... Intrinsic #Extrinsic #Differential ... #Diagnosis #Causes
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
- Differential ... • Peripheral blood ... disease, drugs, transfusions ... #Anemia #Differential ... Diagnosis #Algorithm #causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... HUS) • Other: Transfusion ... implicated) - Transfusion ... Extravascular #Causes ... #differential #
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Blood Transfusion ... • Febrile Non-Hemolytic ... Causes purpura & ... TRALI): Leading cause ... more likely to cause
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
- Differential ... Tissue injury • Hemolysis ... dietary intake • Blood ... transfusion • ... of injection Decreased
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Crush injury • Blood ... Blood transfusion ... #hyperkalemia #differential ... #diagnosis #causes
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... type ± C3d • Blood ... smear: Differential ... 2) LOOK FOR a cause