1846 results
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Expected DAT Results ... Autoimmune Hemolysis DAT ... Hemolysis • DAT ... - ) WAIHA • DAT ... Drug-associated • 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
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
IgG mediated - DAT ... IgM mediated - DAT
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Mixed-type AIHA (7-8%) DAT-negative
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
aPTT normal • 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
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
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Atrial Tachycardia (MAT ... intervals • At-least ... Visualmedapp #MAT
Renal involvement in 35% of mixed cryoglobulinemia vasculitis 
Associated with : 
 • Absence of skin
Characteristics at ... proteinuria - 3.5 g/day ... (%) • > 3g / day ... ml/min/1.73 m2 at ... • Dialysis at