376 results
Evaluation of Patients with Anemia

Microcytic, Normocytic, Macrocytic, Hemolytic (Intravascular and Extravascular)

#Diagnosis #Anemia #Workup #Macrocytic #Microcytic #Normocytic
Patients with Anemia ... Macrocytic, Hemolytic (Intravascular ... #Diagnosis #Anemia
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 ... Intravascular ... #Hemolytic #Anemia
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - Intravascular ... Extravascular Causes Intravascular ... Microangiopathic hemolytic anemia ... - Disseminated intravascular ... diagnosis #hematology #anemia
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Sideroblastic anemia ... Megaloblastic anemia ... , Pernicious anemia ... , Disseminated intravascular
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Extravascular and Intravascular ... PK deficiency Intravascular ... immune-complex hemolytic anemia ... #Hemolysis #Intravascular
Dacrocytes (tear drop cells) 
Other poikilocytes resemble a pear or teardrop. The narrow, tapered end
may be
may be long or short ... metaplasia, pernicious anemia ... some hemolytic anemias
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic anemia ... Microangiopathic hemolytic anemia ... as disseminated intravascular ... microangiopathic #hemolytic #anemia
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
conditions) • Severe intravascular ... iron deficiency anemia ... viscosity) - anemia
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... IVIG infusion Intravascular ... #Hemolytic #Anemia
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... diabetes, HIV, severe anemia ... #CottonWool #Spots