113 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... of anemia and hemolysis ... Immune-mediated Hemolysis ... • Extrinsic RBC ... • Intrinsic RBC
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... purpura (TTP), Hemolytic ... • Intrinsic RBC
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... ↑ LDH • Anti-RBC ... Antibody #Autoimmune #Hemolytic
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
 -
Pathophysiology of Hemolytic ... - Defects in RBC ... - Defects in RBC ... Pathophysiology #Hemolytic
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
, motile, beta-hemolytic ... Diagnosis: • Stool culture ... available • Blood culture ... infectiousdiseases #treatment #microbiology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... elliptocytosis - RBC ... Intravascular - Hemolysis ... immune-complex hemolytic
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
, motile, beta-hemolytic ... Diagnosis: • Stool culture ... available • Blood culture ... infectiousdiseases #treatment #microbiology
Algorithm demonstrating identification of aerobic gram positive bacteria #Diagnosis #Microbiology #GramPositive #Bacteria #Identification #Differential #Algorithm #Coagulase
bacteria #Diagnosis #Microbiology ... Coagulase #Quellung #Hemolytic
Aspergillus flavus on Culture and Microscopy

Rich Davis, PhD, D(ABMM), MLS @richdavisphd

#Aspergillus #flavus #clinical #microscopy #microbiology #culture
Aspergillus flavus on Culture ... clinical #microscopy #microbiology ... #culture
Aspergillus niger on Culture and Microscopy

Rich Davis, PhD, D(ABMM), MLS @richdavisphd

#Aspergillus #niger #clinical #microscopy #microbiology #culture
Aspergillus niger on Culture ... clinical #microscopy #microbiology ... #culture