177 results
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... Diagnosis Algorithm Blood ... Normochromic RBCs on Smear ... • Anemia of Chronic ... Spherocytes on Smear
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Abnormal peripheral smear ... • Extrinsic RBC ... • Intrinsic RBC
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Smear Analysis ... #Peripheral #Blood ... #Smear #Analysis ... interpretation #clinical
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Testing in Hemolytic Anemia ... LDH Peripheral smear ... #Hemolytic #Anemia ... Laboratory #Testing #workup
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Autoimmune Hemolytic Anemia ... DIAGNOSE AIHA • Anemia ... ↑ LDH • Anti-RBC ... type ± C3d • Blood ... smear: Differential
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... #Clinical #Path ... #BloodSmear #Blood ... #Smear #Elliptocyte
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Algorithm Normal Blood ... Smear • Drugs ... Neutrophils - Low RBC ... Cells, Normal WBCs
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
metaplasia, pernicious anemia ... some hemolytic anemias ... #Clinical #Path ... #BloodSmear #Blood ... #Smear #Dacrocytes
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
of macrocytic anemia ... (RBC = red blood ... ordering a peripheral smear ... of the initial work-up ... Homocysteine #Algorithm #Workup
Babesia spp. on Peripheral Blood Smear Microscopy
 - Multiple small parasites per RBC
 - "maltese cross"
on Peripheral Blood ... Smear Microscopy ... parasites per RBC ... richdavisphd #Babesia #clinical ... #smear