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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... AIHA (48-70%) Cold ... HA (paroxysmal cold ... hemoglobinuria) • Cold ... #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Immunosuppression, Splenectomy Cold ... BostonChiefs #Warm #Cold ... #Anemia #hematology ... #diagnosis #comparison
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 ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Autoimmune (AIHA)"Cold ... (e.g. primary cold ... Extravascular #Causes ... differential #diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Pathophysiology - Warm vs Cold ... Smear: spherocytes Cold ... AIHA #Autoimmune #Hemolytic ... Pathophysiology #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... 3 Types of Cold ... Cold Agglutinins ... Primary Secondary Cold ... anemia • Cold
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
in Autoimmune Hemolysis ... DAT Negative Hemolysis ... , C3d ( +/- ) Cold ... ) Paroxysmal cold ... #hematology #diagnosis
Lung Ultrasound in COVID 19 symptoms and a history of COPD

FAMUS @FAMUSultrasound

#Lung #Ultrasound #COVID19 #POCUS #COPD
and a history of COPD ... COVID19 #POCUS #COPD ... #Algorithm #Comparison
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 ... #comparison #table
Causes of Urinary Incontinence - Differential Diagnosis Algorithm
 - Transient - Easily reversible cause (DIAPPERS)
Causes of Urinary ... Differential Diagnosis Algorithm ... Precipitated by cold ... neuropathy or spinal cord ... Differential #Diagnosis #Algorithm