15 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Diagnosis Table ... AIHA (48-70%) Cold ... HA (paroxysmal cold ... hemoglobinuria) • Cold
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential ... Diagnosis Algorithm ... Warm AIHA • Cold ... Complement-Mediated • Cold
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... (AIHA)"Cold" (usually ... (e.g. primary cold ... Extravascular #Causes ... #differential #
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... , Acute spinal cord ... finding in spinal cord ... #Causes #differential ... #diagnosis #table
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... Viral infection, autoimmune ... Positive Coombs testing ... CLL (older) • Autoimmune ... younger pts) Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... Agglutination - Cold ... elliptocytosis, autoimmune ... workup #hematology #testing
Causes of Growth Restriction - Small for Gestational Age - Differential Diagnosis Algorithm
Maternal
 • Chronic Maternal
Causes of Growth ... Diagnosis Algorithm ... Hypertension • Autoimmune ... • Placental/Cord ... Previa • Abnormal Cord
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Autoimmune Hemolytic ... alpha-methyldopa COLD ... #Hemolytic #Anemia ... AIHA #Diagnosis #Differential ... #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Dyspnea - Differential ... Diagnosis Algorithm ... Artery Disease • Stable ... • Asthma • COPD ... Pneumonia • ARDS • COPD
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Autoimmune diseases ... skin contact with cold ... minutes after the cold ... #table