62 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Abnormal peripheral smear ... • Extrinsic RBC ... • Intrinsic RBC ... Diagnosis #Algorithm #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Diagnosis Algorithm Blood ... Decreased RBC ... Infiltration Increased RBC ... Thalassemia • RBC ... Disorder • RBC
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... 2) External (RBC ... 3) Internal (RBC ... - Peripheral Blood ... Smear ↑ abnormal
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... ↑ LDH • Anti-RBC ... type ± C3d • Blood ... smear: Differential
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 ... #Anemia #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Bleed • Hemolysis ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... Microangiopathic Hemolytic ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... RBC) Morphology ... Microcytic RBC: ... disease, McLeod blood ... Bite Cell RBC: G6PD
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Plasmodium Falciparum Blood ... Smear. ... parasitemia - normocytic RBCs ... multiples per RBC ... #Smear.
Red Blood Cell Morphology Atlas

Size variation, Hemoglobin distribution,  
Hypochromia,  
Shape variation,  
Inclusions, 
Red
Red Blood Cell Morphology ... Diagnosis #Path #Blood ... #Smear #RBC #Morphology
ABO Blood Types and Transfusion Compatibility Table
A Blood Type:
 • RBC Antigens: A
 • Antibodies: Anti-B
Type: • RBC Antigens ... Type: • RBC Antigens ... Type: • RBC Antigens ... Type: • RBC Antigens ... Compatibility #Table #hematology