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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
AIHA (48-70%) Cold ... HA (paroxysmal cold ... hemoglobinuria) • Cold ... Agglutinin Disease ... Diagnosis #Table #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... of anemia include ... • hemolytic anemia ... sensitize red blood cells ... #hematology #diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia (sometimes ... Cell Agglutinate: Cold ... autoimmune hemolytic anemia ... , Paroxysmal cold ... differential #diagnosis #hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... - Asthma - COPD ... Transverse myelitis • Hematology ... : - Anemia • ... diagnosis #causes #pulmonary
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... skin contact with cold ... minutes after the cold ... 10.1111/all.14674 #Cold ... Urticaria #diagnosis #rheumatology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
, Liver diseases ... - Renal diseases ... , Liver diseases ... PD deficiency, Pulmonary ... #differential #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Algorithm • Sickle cells ... Agglutination - Cold ... ARUPLabs #Hemolytic #Anemia ... Algorithm #workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... Autoimmune (AIHA)"Cold ... (e.g. primary cold ... differential #diagnosis #hematology ... #anemia
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... Causes: • Liver disease ... • AIHA: warm, cold ... #Hemolytic #Anemia ... classification #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Autoimmune: Warm AIHA, Cold ... , Drugs, Liver Disease ... Defects: Sickle cell anemia ... Electrolytes: Wilson's disease ... Differential #Diagnosis #hematology