22 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Elevation == Decreased ... Content • RBC Transfusions ... blood loss • Hemolytic ... #Decrease #Diagnosis
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Causes purpura & ... TRALI): Leading cause ... more likely to cause ... #diagnosis #management
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Normal or slightly elevated ... Mild-to-moderate decrease ... in most cases; ... Platelet count - Decreased ... or may not be elevated
Blood Transfusion Reactions

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

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
incompatible blood transfusion ... fibrinogen • Elevated ... Treat primary cause ... hydration • RBC transfusion ... #treatment #management
Intracranial Hemorrhage (ICH) and Increased Intracranial Pressure (ICP) - Pathophysiology
ICH Management:
1. Manage Blood Pressure
  •
Pathophysiology ICH Management ... consider platelet transfusion ... = dilated BV = raises ... Hemorrhage #ICH #elevated ... #neurosurgery #management
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... Diuretics, PRBC transfusion ... K, Elevated phos ... , Elevated uric ... TLS #diagnosis #management
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
production and decrease ... the elevated hypothalamic ... rapidly fatal • Causes ... Identify underlying cause ... comparison #diagnosis #management
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
ketoacidosis (DKA) - caused ... (pH < 7.35) w/ elevated ... ketosis but marked increase ... Glucosuria causes ... differential #diagnosis #management