1848 results
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Expected DAT Results ... Autoimmune Hemolysis DAT ... Hemolysis • DAT ... - ) WAIHA • DAT ... BrighamChiefs #direct #antiglobulin
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
panel, Direct antiglobulin ... aPTT normal • DAT
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
blood smear + DAT ... Heinz bodies, DAT ... Sickle cells, DAT ... • Spherocytes, DAT ... • Spherocytes, DAT
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
- Antibody/DAT ... - Complement/DAT
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Atrial Tachycardia (MAT ... ) • At least 3 ... #Tachycardia #MAT
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Direct and indirect antiglobulin
INSULIN CONVERSION

Total daily dose of insulin (TDD) =
divided doses a day ... insulin regimen at ... * 0.3 units/kg/day ... * 0.4 units/kg/day ... for a patient at
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
IgG mediated - DAT ... IgM mediated - DAT
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Atrial Tachycardia (MAT ... intervals • At-least ... Visualmedapp #MAT
Normal urine output 
- 0.5 to 1.5 cc/kg/hour 
- A patient should be urinating at least
should be urinating at ... Usually < 500 cc/day ... Usually < 100 mL/day